JP6819971B2 - Method for producing palm coconut shell grains, method for removing inner pericarp fibers, and method for producing poultry feed containing palm coconut shell grains. - Google Patents

Description

The present invention relates to a method for producing palm coconut shell grains suitable as a feed material for poultry.

Conventionally, palm coconut shell (PKS: Palm Kernel Shell), which is a by-product of squeezing palm kernel oil, is mostly discarded. However, due to the growing attention to renewable energy, palm coconut shells have come to be used as fuel for biomass power generation.

In addition, the use of palm coconut shells is not limited to biomass power generation, and its use as a feed material has also been proposed.

For example, Patent Document 1 discloses a technique in which palm coconut shells are crushed and processed into pellets to be used as a feed material.

In Patent Document 2, an empty fruit bunch (EFB: Empty Fruit Bunche) after collecting fruits from a fruit bunch (FFB: Fresh Fruit Bunche) of palm palm and palm seed cellulose (PF: Palm) after squeezing palm oil. It is disclosed that a fiber fermented feed is produced using Fiber) and used as a cellulose and energy feed for ruminants. Then, Patent Document 2 discloses a step of crushing EFB and PF to a size of 10 to 50 mm and drying them.

Further, various techniques for obtaining palm coconut shell grains having a desired particle size by using a sieve for reusing palm coconut shells have been disclosed (Patent Documents 3 to 5).

By the way, in the breeding of poultry, it is known that gravel (gastrolith) and grain shells contained in the feed are stored in the muscle stomach as a so-called grid and greatly contribute to the development of the muscle stomach of the poultry.

Special Table 2016-507370A Special Table 2016-538862 Japanese Unexamined Patent Publication No. 2012-228683 Japanese Unexamined Patent Publication No. 2014-202448 Japanese Unexamined Patent Publication No. 2002-11345

As mentioned above, using pelletized palm coconut shells as a feed material is already known as a problem. Then, a technique of using EFB and PF as feed for ruminants is known.

Here, when the palm coconut shell is used as a feed raw material for poultry, it is necessary to prevent the mixing of fibers derived from the inner pericarp (hereinafter referred to as inner pericarp fiber).

That is, there is a problem that the palm coconut shell grains in which the inner pericarp fibers are mixed cannot be obtained in a size suitable for bezoar because the particle size is controlled as containing the fibers. In addition, since the fibers are mixed, it is difficult for poultry to swallow food, and there is a concern that palm coconut shell grains do not reach the gizzard.

In view of such a problem, it is an object of the present invention to provide a novel technique for producing palm coconut shell grains.
Another object of the present invention is to provide palm coconut shell grains suitable as feed raw materials for poultry, particularly chickens.

The present invention that solves the above problems includes a crushing step of crushing a palm coconut shell and a crushing step.
The inner pericarp fiber removing step of removing the inner pericarp fiber in the crushed palm coconut shell after the crushing step,
It is a method for producing palm coconut shell grains, which is characterized by having.
According to the production method of the present invention, by removing the inner pericarp fiber from the crushed palm coconut shell, palm coconut shell grains suitable as a feed material for poultry can be obtained.

In a preferred embodiment of the present invention, the inner pericarp fiber removing step comprises a step of immersing a crushed palm coconut shell after the crushing step in a liquid to remove a liquid floating fraction containing inner pericarp fibers. ..
According to the inner pericarp fiber removing step of the present invention, it is possible to easily remove the inner pericarp fiber mixed in the crushed palm coconut shell.

A preferred embodiment of the present invention further comprises a sorting step of sorting the palm coconut shell grains of a desired size.
The sorting step is
It has a step of sieving the palm coconut shell grains by using a sorting device having a plurality of sieves having different mesh sizes and arranged in order from the sieve having the largest mesh so that the mesh size is gradually reduced. It is characterized by that.
By using a sorting device having such a configuration, crushed palm coconut shells having a desired particle size can be efficiently sorted.

A preferred embodiment of the present invention is further provided with a sterilization step of sterilizing palm coconut shell grains after the sorting step by heating and drying.
By sterilizing microorganisms such as bacteria remaining in palm coconut shell grains by heat treatment, it is possible to provide a feed raw material having excellent safety for poultry.

A preferred embodiment of the present invention is characterized in that the palm coconut shell grains are a feed material for poultry.
The palm coconut shell grains produced by the production method of the present invention are useful as a feed material for poultry.

The present invention also relates to a method for producing poultry feed to which the palm coconut shell grains produced by the above-mentioned production method are added.

Further, the present invention includes a crushing step of crushing a palm coconut shell and a crushing step.
It also relates to a method for removing inner pericarp fibers, which comprises immersing a crushed palm coconut shell after a crushing step in a liquid to remove a liquid floating fraction containing inner pericarp fibers.

The present invention also relates to palm coconut shell grains, which are characterized by having no inner pericarp fibers.

According to the present invention, palm coconut shell grains suitable for feed raw materials for poultry, particularly chickens, can be produced.

It is a schematic diagram which shows the structure of the oil palm fruit. It is a schematic diagram which shows the state in which palm coconut shells are assembled, and the existence mode of the inner pericarp fiber. It is a vertical cross-sectional view which shows the whole structure of the sorting apparatus in embodiment of this invention. It is sectional drawing of the sorting device of the sorting device in embodiment of this invention. It is a perspective view of the rotary dryer in embodiment of this invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to FIGS. 1 to 5, but the following embodiments do not limit the technical scope of the present invention.

The oil palm (palm palm) fruit 1 is collected from a fruit bunch 2 in which a plurality of fruits are gathered in a tuft. Each fruit has a core (corresponding to a seed) 3 in the center. The nucleus is wrapped in the inner pericarp 4 (corresponding to the palm coconut shell), and the middle pericarp (corresponding to the flesh) 5 exists on the outside of the inner pericarp. Further, an outer pericarp (corresponding to the skin) 6 exists on the outside of the middle pericarp, and separates individual fruits from the outside (FIG. 1).

Here, in the present specification, the "inner pericarp fiber 7" includes both the fiber itself naturally growing in the outer shell of the inner pericarp 4 and the fiber derived from the inner pericarp peeled from the outer shell.

Further, in the present specification, the terms "palm coconut shell crushed product 8" and "palm coconut shell grain 9" are appropriately used according to the manufacturing process.

Specifically, the "palm coconut shell crushed product 8" refers to a crushed palm coconut shell 4 that has been granulated after being crushed by a crusher, and in a state in which inner pericarp fibers 7 are mixed.

On the other hand, the "palm coconut shell grain 9" refers to a state in which the inner pericarp fiber 7 is removed from the crushed palm coconut shell 8.

In the palm coconut shell 4 aggregate, the palm coconut shell 4 exists in a state where the outer shell is cracked in order to take out the nucleus 3 when the palm kernel oil is squeezed (FIG. 2). The inner pericarp fibers 7 are present without being peeled off from the outer shell of the inner pericarp 4, and some are peeled off from the outer shell when the inner pericarp 4 is cracked and are scattered in the aggregate (Fig.). 2).

The varieties of oil palm are not particularly limited, and any varieties having an inner pericarp 4 may be used. For example, Dura and Tenera species, which are widely cultivated mainly in Southeast Asia for the production of fats and oils, can be mentioned. The Dura species has a thick inner pericarp 4, and the Tenera species has a thin inner pericarp 4. Therefore, from the viewpoint of the productivity of palm coconut shell grains 9, the Dura species is more preferably exemplified.

Next, each step included in the method for producing palm coconut shell grains 9 of the present invention will be described in detail with reference to FIGS. 3 to 5.

<Crushing process>
First, palm kernel oil squeezed from the core 3 of oil palm fruit 1 and then dried palm coconut shell 4 is put into a crusher (not shown) to be crushed. At this point, the inner pericarp fibers 7 are mixed in the crushed palm coconut shell 8 after being crushed.

The particle size of the crushed palm coconut shell 8 is preferably set to 10 mm or less, more preferably 7 mm or less, still more preferably 5 mm or less.
By crushing with such a particle size, the recovery efficiency of the crushed palm coconut shell 8 can be improved.

Here, in the present specification, "grain size" is defined by the size of the mesh of a sieve or a screen. That is, the particle size of the crushed palm coconut shell 8 and the palm coconut shell grain 9 that have passed through a sieve or screen having a predetermined diameter is defined using the size of the diameter of the sieve or screen.

As the crusher, it is preferable to use a product whose object is wood. For example, a jaw crusher, a gyretry crusher, and an impact (hammer) crusher classified as a crusher can be mentioned. Above all, it is more preferable to use a hammer crusher.

As the hammer crusher, known ones can be used without limitation. Further, a screen may be installed in the crusher to adjust the particle size of the crushed material.

The optimum range of the number of revolutions (per minute) of the hammer crusher can be appropriately set according to the specifications of the model to be used.
In a preferred embodiment of the present invention, it is preferably 100 to 10000 rpm, more preferably 500 to 5000 rpm, and even more preferably 1000 to 2500 rpm.
By setting the rotation speed (per minute) of the hammer crusher to the above, the recovery efficiency of the palm coconut shell grains 9 can be further improved.

<Inner pericarp fiber removal process>
Next, the inner pericarp fibers 7 mixed in the crushed palm coconut shell 8 are removed. By providing the inner pericarp fiber removing step after the crushing step, the palm coconut shell grains 9 from which the inner pericarp fiber 7 has been removed are sieved in the sorting step described later.

As a result, it becomes possible to sort by the particle size of the palm coconut shell grain 9 itself, which does not contain the inner pericarp fiber 7, and the palm coconut shell grain 9 having a size suitable for bezoar can be obtained. Further, by removing the inner pericarp fibers 7 in advance, clogging of the sieve 12 can be prevented in the sorting step.

First, the crushed palm coconut shell 8 is transferred to a water storage container, and the liquid is poured (not shown). When immersed in a liquid and stirred, impurities including inner pericarp fibers 7 mixed in the crushed palm coconut shell 8 float on the liquid surface, and the crushed palm coconut shell 8 itself sinks to the bottom of the water storage container (Fig.). Not shown).

The liquid can be used without particular limitation as long as it has a lower specific gravity than the crushed palm coconut shell 8 and a higher specific gravity than the inner pericarp fiber 7.
In a preferred embodiment of the invention, the liquid is water.

By draining the supernatant containing the liquid floating fraction, palm coconut shell grains 9 from which the inner pericarp fibers 7 have been removed can be obtained.

In a preferred embodiment of the present invention, the crushed palm coconut shell 8 from which the inner pericarp fibers 7 are removed is immersed in at least an amount of liquid in which the entire amount of the crushed palm coconut shell 8 is completely immersed in a water storage container.
By setting the amount of the liquid as described above, the inner pericarp fibers 7 mixed in the crushed palm coconut shell 8 can be removed more reliably.

In a preferred embodiment of the present invention, the step of removing the inner pericarp fiber 7 is performed by mechanical means. When mechanically removing the inner pericarp fiber 7, a water storage unit composed of a water storage container provided with a liquid supply / drainage mechanism by moving the crushed palm coconut shell 8 carried out from the crusher by a belt conveyor (shown). ) Carry in.

Then, after being immersed in the liquid for a certain period of time, the supernatant containing the liquid floating fraction is drained. Then, it is preferable that the palm coconut shell grains 9 from which the inner pericarp fibers 7 have been removed are moved on the belt conveyor (not shown) again and blown onto the belt conveyor to dry the surface.

Further, in the preferred embodiment of the present invention, the step of removing the inner pericarp fiber 7 can also be performed artificially. When the inner pericarp fiber 7 is artificially removed, the crushed palm coconut shell 8 after the crushing step is carried to a water storage container, immersed in a liquid for a certain period of time, and the supernatant containing the liquid floating fraction is drained. Then, the palm coconut shell grains 9 from which the inner pericarp fibers 7 have been removed are dried in the sun to dry the surface (not shown).

The number of times the crushed palm coconut shell 8 is immersed in the liquid is preferably 1 time or more, more preferably 2 times or more, still more preferably 3 times or more.
By immersing the crushed palm coconut shell 8 in the liquid the above number of times, the inner pericarp fibers 7 can be removed more reliably.

The time for immersing the crushed palm coconut shell 8 in the liquid does not affect the removal of the inner pericarp fibers 7. Therefore, the immersion time is not particularly limited.

Further, in a preferred embodiment of the present invention, a basin, a tub, a tank, or the like can be exemplified as a water storage container. A size suitable for the production scale can be appropriately selected.

The water storage container may be configured to include a mechanism that swings by mechanical or artificial means. By providing such a configuration, the inner pericarp fiber 7 can be efficiently removed.

<Sorting process>
The palm coconut shell grains 9 from which the inner pericarp fibers 7 have been removed are then carried into the sorting device 10 (FIGS. 3 and 4). Then, using the sorting device 10, the palm coconut shell grains 9 are sieved according to their particle size.

Here, the sorting device 10 includes a supply port 11 and a plurality of sieves 12 having different mesh sizes. Further, it is preferable that the sorting device 10 is provided with a vibration function for vibrating the sieve 12.

The sorting device 10 may be configured to include a crusher (not shown) for further crushing the palm coconut shell grains 9.
By further refining the palm coconut shell grains 9 using a crusher, the recovery efficiency of the palm coconut shell grains 9 can be further improved.

As the crusher, it is preferable to use a product whose object is wood to be crushed. For example, a roll crusher, a cutter crusher, a stamp mill, etc., which are classified as a medium crusher, can be mentioned. Further, a screen may be installed in the crusher to adjust the particle size of the crushed product.

The sieves 12 provided in the sorting apparatus 10 are arranged in order from the one having the largest mesh so that the size of the mesh is gradually reduced (see 12a, 12b, 12c, 12d, 12e). The sieve 12 is not particularly limited as long as it can select palm coconut shell grains 9, and an inclined type that is inclined with respect to the horizontal plane may be used, or a horizontal type may be used. Good. Above all, it is more preferable to use an inclined type.

In a preferred embodiment of the present invention, the sieve 12 is arranged so as to be inclined with respect to the horizontal plane, the front and rear sieves 12 overlap each other, and are arranged continuously toward the lower stage.
With such a configuration, not only can palm coconut shell grains 9 having different particle sizes be efficiently recovered, but also the space occupied by the sorting device 10 can be reduced.

Further, on the side of each sieve 12, a carry-out path 13 for collecting palm coconut shell grains 9 remaining on the sieve 12 after sorting is provided.

The number of sieves 12 is not particularly limited. It can be increased or decreased as appropriate according to the desired particle size to be collected.

In a preferred embodiment of the present invention, the sorting device 10 includes five sieves 12 having different mesh sizes. As a result, four types of palm coconut shell grains 9 having different particle sizes can be recovered.

The mesh size of the first sieve 12a is preferably 7.0 to 3.0 mm, more preferably 5.0 to 3.5 mm, and even more preferably 4.5 to 3.8 mm.
By designing the mesh size of the first sieve 12a as described above, palm coconut shell grains 9 having a size suitable for feed raw materials for adult chickens can be recovered.

The mesh size of the second sieve 12b is preferably 5.5 to 1.5 mm, more preferably 3.5 to 2.0 mm, and even more preferably 3.0 to 2.3 mm.
By designing the mesh size of the second sieve 12b as described above, palm coconut shell grains 9 having a size suitable for a feed raw material for large chicks can be recovered.

The mesh size of the third sieve 12c is preferably 5.0 to 1.0 mm, more preferably 3.0 to 1.5 mm, and even more preferably 2.5 to 1.8 mm.
By designing the mesh size of the third sieve 12c as described above, palm coconut shell grains 9 having a size suitable for feed raw materials for middle chicks can be recovered.

The mesh size of the fourth sieve 12d is preferably 4.0 to 0.5 mm, more preferably 2.5 to 0.8 mm, and even more preferably 2.3 to 1.6 mm.
By designing the mesh size of the fourth sieve 12d as described above, palm coconut shell grains 9 having a size suitable for feed raw materials for young chicks can be recovered.

The mesh size of the fifth sieve 12e is preferably 3.0 to 0.5 mm, more preferably 2.0 to 1.0 mm, and even more preferably 1.5 to 1.2 mm.
By setting the mesh size of the fifth sieve 12e to the above, palm coconut shell grains 9 having a size that does not accumulate in the muscle stomach of poultry can be collected.

In a preferred embodiment of the present invention, the mesh size of the first sieve 12a is 4.0 mm, the mesh size of the second sieve 12b is 2.8 mm, and the mesh size of the third sieve 12c. Is 2.36 mm, the mesh size of the fourth sieve 12d is 2.0 mm, and the mesh size of the fifth sieve 12e is 1.4 mm.
By using the sieves 12 having the above four types of mesh sizes, palm coconut shell grains 9 which are suitable feed raw materials for each growth stage of chicken can be recovered.

The palm coconut shell grains 9 are carried in from the supply port 11 of the sorting device 10 and sieved according to the particle size thereof. As a result, it becomes possible to efficiently collect palm coconut shell grains 9 having uniform sizes for each particle size.

The palm coconut shell grains 9 carried in from the supply port 11 of the sorting device 10 first fall onto the first sieve 12a. The palm coconut shells 9 that have passed through the first sieve 12a then fall onto the second sieve 12b, and the palm coconut shells 9 having a size that does not pass through the first sieve 12a remain on the first sieve 12a.

The palm coconut shells 9 that have passed through the second sieve 12b then fall onto the third sieve 12c, and the palm coconut shells 9 having a size that does not pass through the second sieve 12b remain on the second sieve 12b.

The palm coconut shells 9 that have passed through the third sieve 12c then fall onto the fourth sieve 12d, and the palm coconut shells 9 having a size that does not pass through the third sieve 12c remain on the third sieve 12c.

The palm coconut shells 9 that have passed through the 4th sieve 12d then fall onto the 5th sieve 12e, and the palm coconut shells 9 having a size that does not pass through the 4th sieve 12d remain on the 4th sieve 12d.

The palm coconut shell grains 9 that have passed through the fifth sieve 12e are collected as they are. Palm coconut shell grains 9 having a size that does not pass through the fifth sieve 12e remain on the fifth sieve 12e.

The remnants of the first sieve 12a and the passages of the fifth sieve 12e are out of the range of the desired particle size and are therefore excluded from the target for proceeding to the next step. From the residue of the second sieve 12b, 2.9 to 4.0 mm palm coconut shell grains 9 are recovered. From the residue of the third sieve 12c, 2.37 to 2.8 mm palm coconut shell grains 9 are recovered. From the residue of the 4th sieve 12d, palm coconut shell grains 9 having a thickness of 2.1 to 2.36 mm are recovered. From the residue of the fifth sieve 12e, palm coconut shell grains 9 having a thickness of 1.5 to 2.0 mm are recovered.
The palm coconut shell grains 9 remaining on each sieve 12 are collected through the carry-out passages 13 provided on the sides.

By sieving the palm coconut shell grains 9 for each particle size using the sieves 12 arranged stepwise in this way, the palm coconut shell grains 9 having a desired particle size can be efficiently recovered.

The palm coconut shell grains 9 collected for each particle size are mixed in a predetermined ratio using a mixer. In a preferred embodiment of the present invention, the following two types of mixing ratios of palm coconut shell grains 9 for each particle size can be mentioned.

[Formulation A]
The 2.37 to 4.0 mm palm coconut shell grain 9 is preferably 1 to 30 parts by weight, more preferably 5 to 20 parts by weight, still more preferably 5 to 10 parts by weight.

The 2.1 to 2.36 mm palm coconut shell grains 9 are preferably 10 to 90 parts by weight, more preferably 30 to 80 parts by weight, still more preferably 50 to 75 parts by weight.

The 1.5 to 2.0 mm palm coconut shell grains 9 are preferably 1 to 30 parts by weight, more preferably 5 to 20 parts by weight, and further preferably 5 to 10 parts by weight.

The palm coconut shell grains 9 mixed in the ratio of Formula A are useful as a feed raw material for middle chicks to young chicks.

[Formulation B]
The 2.9 to 4.0 mm palm coconut shell grain 9 is preferably 10 to 80 parts by weight, more preferably 20 to 70 parts by weight, still more preferably 30 to 60 parts by weight.

The 2.1 to 2.8 mm palm coconut shell grains 9 are preferably 1 to 50 parts by weight, more preferably 5 to 40 parts by weight, and further preferably 10 to 30 parts by weight.

The 1.5 to 2.0 mm palm coconut shell grains 9 are preferably 1 to 50 parts by weight, more preferably 10 to 45 parts by weight, and further preferably 20 to 40 parts by weight.

The palm coconut shell grains 9 mixed in the ratio of Formula B are useful as a feed raw material for adult chickens to large chicks.

<Sterilization process>
The palm coconut shell grains 9 after the sorting step are sterilized and dried by heat treatment.

A rotary dryer (circulation tank type dryer) 14 is preferably used as the equipment used for the heat treatment (FIG. 5). As the rotary dryer 14, known ones can be used without limitation.

By using the rotary dryer 14, a large amount of palm coconut shell grains 9 can be sterilized and dried more efficiently.

The rotary dryer 14 used in the method for producing palm coconut shell grains 9 of the present invention has a configuration in which two substantially cylindrical drums (heating portion 15 and heat radiating portion 16) are connected via a connecting portion 17. Is preferable (see FIG. 5). As shown in FIG. 5, the heating unit 15 and the heat radiating unit 16 may be arranged vertically or horizontally.

The heating unit 15 has a configuration for heating the palm coconut shell grains 9, and the heat radiating unit 16 has a configuration for dissipating the heat of the palm coconut shell grains 9.

It is more preferable that a lifter (not shown) is provided inside the heating unit 15 and the heat radiating unit 16. By installing the lifter, the palm coconut shell grains 9 can be moved inside the heating section 15 and the heat radiating section 16 while stirring by the rotation of the lifter, so that the palm coconut shell grains 9 can be sterilized more efficiently. And can be dried.

Here, it is preferable that the lifters are provided at equal intervals inside the heating unit 15 and the heat radiating unit 16. By providing the lifters inside the heating unit 15 and the heat radiating unit 16 at equal intervals, the palm coconut shell grains 9 can be sterilized and dried more efficiently.

It is preferable that the heating portion 15 of the rotary dryer 14 is provided with a supply port for palm coconut shell grains 9 (not shown). Further, it is preferable that the heat radiating portion 16 is provided with a discharge port for palm coconut shell grains 9 (not shown).

Further, it is preferable that the heating portion 15 on the opposite side of the connecting portion 17 is provided with a burner 18. Since the burner 18 is provided in the heating portion 15 on the opposite side of the connecting portion 17, hot air can be efficiently sent into the heating portion 15.

Further, it is more preferable that the burner 18 is ignited by spraying fuel and blows hot air into the heating unit 15.

In a preferred embodiment of the present invention, the temperature inside the heating unit 15 during the heat treatment is preferably 80 ° C. or higher, more preferably 110 ° C. or higher, still more preferably 120 ° C. or higher.
By setting the lower limit of the heat treatment temperature to the above, sterilization can be performed more reliably.

Further, in a preferred embodiment of the present invention, the temperature inside the heating unit 15 during the heat treatment is preferably 140 ° C. or lower, more preferably 135 ° C. or lower, still more preferably 130 ° C. or lower.
By setting the upper limit of the heat treatment temperature to the above, it is possible to prevent the palm coconut shell grains 9 from burning.

Further, in a preferred embodiment of the present invention, the heat treatment time is preferably 5 to 20 minutes, more preferably 10 to 15 minutes.
By setting the heat treatment time to the above, sterilization can be performed more reliably. In addition, the water content of the palm coconut shell grains 9 after drying can be optimized.

The water content of the palm coconut shell grains 9 after drying by heat treatment can be measured by a normal pressure drying method. Any known moisture meter may be used for measuring the moisture content by the atmospheric drying method. Above all, it is more preferable to use a product whose measurement object is wood chips.

In a preferred embodiment of the present invention, the water content of the palm coconut shell grains 9 measured by the atmospheric drying method is preferably 10% by weight or less, more preferably 5% by weight or less, still more preferably 2% by weight or less. is there.
By setting the upper limit of the water content after drying as described above, it is possible to improve the handleability of the feed when the palm coconut shell grains 9 are used as the feed raw material, the storage stability due to alteration, and the safety.

In the palm coconut shell grains 9 produced through such a process, the inner skin fibers 7 mixed in the crushed palm coconut shell 8 are removed, the sizes are made uniform for each particle size, and the palm coconut shell grains 9 are contaminated with microorganisms and the like. Not suitable for poultry feed ingredients.

<Manufacturing method of poultry feed>
The palm coconut shell grain 9 according to the present invention can be replaced with gravel or grain shell blended in poultry feed. By blending palm coconut shell grains 9 adjusted to a constant particle size distribution into poultry feed, the feed is efficiently ground in the gizzard, and the feed excreted without being digested is reduced. That is, the digestion efficiency of the feed can be promoted by blending the palm coconut shell grains 9 according to the present invention.

Examples of poultry include chickens, quails, turkeys, ducks and geese. In a preferred embodiment of the present invention, palm coconut shell grain 9 is a feed raw material for chickens.

In addition, the chickens include all chickens raised in poultry farms such as meat chickens, egg-collecting chickens, meat breeding chickens, and egg breeding chickens.

The blending amount of palm coconut shell grains 9 in the poultry feed is preferably set in the same manner as the blending amount of grain shells and the like in a general poultry feed according to the growth of poultry, the season and the climate.

More specifically, the palm coconut shell grains 9 are preferably blended in an amount of 0.1 to 10 parts by weight based on 100 parts by weight of the feed before blending. It is more preferably 0.5 to 8 parts by weight, still more preferably 1 to 6 parts by weight.
By setting the blending amount of palm coconut shell grains 9 to the above, it is possible to achieve both the effect of increasing the muscle stomach of poultry and the nutritional efficiency as feed.

Further, since the palm coconut shell grain 9 according to the present invention is blended as a digestive promoter in place of the grain shell or the like, it does not affect other nutrients of poultry feed such as alteration. Therefore, a known feed can be used as the feed itself containing the palm coconut shell grains 9.

In addition, the palm coconut shell grain 9 and the method for producing the same according to the present invention can be applied to feed raw materials for other livestock species and their production. Examples of livestock species include beef cattle, dairy cows, sheep, goats, pigs, and horses.

[Manufacturing example]
<Crushing process>
For palm coconut shells 4 having a storage period of 3 months or less after oil extraction, the presence or absence of contamination such as mold was visually confirmed, and the contaminated palm coconut shells 4 were removed. Then, the clean palm coconut shell 4 was washed with water to further remove impurities. Then, the palm coconut shell 4 washed with water was put into a crusher and roughly crushed to obtain a crushed palm coconut shell 8.

<Inner pericarp fiber removal process>
The crushed palm coconut shell 8 was transferred to a water storage container, and tap water was further poured. The water storage container was stirred, and it was confirmed that the inner pericarp fibers 7 mixed in the crushed palm coconut shell 8 floated on the water surface, and the supernatant of the water storage container was drained. This operation was repeated 3 times to remove the inner pericarp fiber 7. Then, the palm coconut shell grain 9 from which the inner pericarp fiber 7 was removed was dried in the sun.

<Sorting process>
The palm coconut shell grains 9 were subjected to a sorting device 10 for sieving. The sorting device 10 includes a supply port 11 and five types of sieves 12 having different mesh sizes designed to be 4.0, 2.8, 2.36, 2.0 and 1.4 mm, and these sieves. 12 are arranged stepwise in order from the one having the largest mesh size. The palm coconut shell grains 9 were carried in from the supply port 11 and first dropped onto a first sieve 12a having a mesh of 4.0 mm, and the sieve 12 was vibrated. Then, palm coconut shell grains 9 having a particle size corresponding to the mesh size of each sieve 12 were selected by stepwise sieving.

<Sterilization process>
After the sorting step, the palm coconut shell grains 9 were sterilized by heating and drying using a rotary dryer 14. In the rotary dryer 14, the temperature inside the heating unit 15 was set to 120 to 130 ° C., the processing time in the heating unit 15 was set to 6 minutes, and the processing time in the heat radiating unit 16 was set to 2 minutes, and the sterilization treatment was performed twice in total. Further, after taking out from the rotary dryer 14, the palm coconut shell grains 9 were blown with hot air at 125 ° C. and dried for 5 minutes.
In this way, palm coconut shell grains 9 suitable as a feed raw material for poultry were produced.

The present invention is useful for producing palm coconut shell grains, which are feed raw materials for poultry, particularly chickens.

1 Abra palm fruit 2 Fruit cluster 3 Core 4 Palm palm husk 5 Medium pericarp 6 Outer pericarp 7 Inner pericarp fiber 8 Palm coconut shell crushed product 9 Palm coconut shell grain 10 Sorting device 11 Supply port 12 Sieve 12a 1st sieve 12b 2nd sieve 12c 3rd Sieve 12d 4th Sieve 12e 5th Sieve 13 Carrying Out Path 14 Rotary Dryer 15 Heating Section 16 Heat Dissipating Section 17 Connecting Section 18 Burner

Claims (8)

The crushing process of crushing palm coconut shells and
The inner pericarp fiber removing step of removing the inner pericarp fiber in the crushed palm coconut shell after the crushing step,
After the inner pericarp fiber removal step, a sorting step of sorting palm coconut shell grains of a desired size by sieving, and a sorting step.
A method for producing palm coconut shell grains, which comprises. The crushing process of crushing palm coconut shells and
The inner pericarp fiber removing step of removing the inner pericarp fiber in the crushed palm coconut shell after the crushing step,
Have,
The inner pericarp fiber removing step includes a step of immersing the crushed palm coconut shell after the crushing step in water to remove the liquid floating fraction containing the inner pericarp fiber.
A method for producing palm coconut shell grains, which is characterized by the above. The first aspect of claim 1, wherein the inner fruit skin fiber removing step includes a step of immersing a crushed palm coconut shell after the crushing step in a liquid to remove a liquid floating fraction containing the inner fruit skin fibers. A method for producing palm coconut shell grains. A sorting step for sorting the palm coconut shell grains of a desired size is provided.
The sorting step is
It has a step of sieving the palm coconut shell grains by using a sorting device having a plurality of sieves having different mesh sizes and arranged in order from the sieve having the largest mesh so that the mesh size is gradually reduced. The method for producing palm coconut shell grains according to any one of claims 1 to 3 , wherein the method is characterized by the above. The method for producing palm coconut shell grains according to claim 4, further comprising a sterilization step of sterilizing the palm coconut shell grains after the sorting step by heating and drying. The method for producing palm coconut shell grains according to any one of claims 1 to 5 , wherein the palm coconut shell grains are a feed material for poultry. A method for producing poultry feed, to which the palm coconut shell grains produced by the production method according to claim 6 are added. The crushing process of crushing palm coconut shells and
A method for removing inner pericarp fibers, which comprises immersing a crushed palm coconut shell after a crushing step in water to remove a liquid floating fraction containing inner pericarp fibers.

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