CN102524582A - Extruded hard pellet feed for lactating sows and preparation method thereof - Google Patents
Extruded hard pellet feed for lactating sows and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an extruded hard pellet feed for lactating sows, which is prepared by the following raw materials in parts by weight: 50-55 parts of corn, 3-4.5 parts of imported super steam fish meal, 3-5 parts of fermented soya bean meal, 8-10 parts of flour, 10-15 parts of wheat, 13.5-15.1 parts of non-transgenic soya bean, 2-4 parts of rapeseed meal, 5-10 parts of extruded-soybean, 1-2 parts of mineral substance premix, 0.2-0.3 parts of vitamins premix, 1.0-2.0 parts of calcium hydrogen phosphate, 2.5-4 parts of soybean oil, 1-2 parts of calcium propionate and 0.1-0.2 parts of oligosaccharide. The extruded hard pellet feed is prepared by tempering the raw materials in the formula by using a double-shaft squeezing well-done extruder under a certain condition and then curing under a certain curing condition. The crude protein of the extruded hard pellet feed is greater than 16.2%, the curing degree is above 80%, the extruded hard pellet feed has comprehensive nutrition and extrusion, the anti-nutrition factors are destroyed, and after the extruded hard pellet feed is used for feeding pregnant sows, the birth weights of piglets are above 1.6 kg in average.
Description
Technical field
The present invention relates to the feed of milking sow (conceived 84 days-wean), be specifically related to expanded hard pellet diet of a kind of milking sow and preparation method thereof.
Background technology
Along with the raising of breed improvement, feeding and management technical merit, support the pursuit of family to the culturing economic benefit, sow year litter size and birth weight (quality of farrowing), outstanding weaning weight be the pith ignored do not allowed most that influences economic benefit.Sow is produced recent two decades per year, and great change has been experienced in the management of multiparity sow and gilt, and gilt is less at the monthly age, body weight is gently bred under the situation.So that modern gilt even begun its breeding cycle at less than 200 ages in days.The commodity group of mean people sow age in days surplus 150 to 200 of oestrusing first generally.Litter size increases in addition, and is big to the demand of breast milk, and the wean age in days improves, and needs outstanding wean supports of reforming, and delivers for sale early, and the use that sow is given up more intensifies.Though sow has carrying capacity very to deal with the deficiency on the nutrition supply, just long-term nutrition overdraw can make the sow body condition descend, and influences some parameters of breeding.The nutrition condition of first farrowing sow and physical qualification, wean is to gap phase of oestrusing and sow life-span, and is closely bound up with the nutrition of sow, sufficient sow nutrition will reduce in the sow nutrition stress, pay attention to the nutrition of lactation especially.
The sow material generally is powder or common hard pellet diet at present, does not handle through expanding processing, and pelleting temperature is not higher than 85 ℃; Efficiency of feed utilization is low, has ANFs, and litter size is low; The piglet birth weight is low, and the sow output of milk is not enough, the low or wean age in days prolongation of weaning weight.Culture-cycle is long, and cost is also high.Openly be not directed against the suitable expanded pellet diet of milking sow at present; This need be to material component, and the content of each material component is after suitable production technology etc. is rich in creative research and tests; Just can obtain being suitable for milking sow ingests; And nutrition is reasonable, and the digestive utilization ratio of expanded pellet diet is high, the expanded hard pellet diet of the milking sow that feed coefficient is lower.
Summary of the invention
The invention provides a kind of milking sow expanded pellet feed and preparation method thereof, the feed of gained has well doneization, and digestive utilization ratio is high; Good palatability; ANFs is destroyed, and the characteristics that feed coefficient is lower are particularly suitable for the expanded hard pellet diet of milking sow.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
A kind of milking sow expanded pellet feed is characterized in that: by the raw material dubbed feed base-material of following weight parts: corn 50~55, the super steam fish meal 3~4.5 of import, fermented bean dregs powder 3~5; Flour 8~10, wheat 10~15, non-transgenic dregs of beans 13.5~15.1, rapeseed dregs 2~4; Expanded soybean 5~10, mineral substance premix 1~2, vitamin premix 0.2~0.3, calcium monohydrogen phosphate 1.0~1.2; Soya-bean oil 2.5~4, calcium propionate 1~2, oligosaccharides 0.1~0.2.
Described a kind of milking sow expanded pellet feed is characterized in that: the carrier of said mineral substance premix is a zeolite, and the per kilogram mineral substance premix contains the mineral composition of following weight parts: iron: 50.30~60.90 mg; Copper: 7.90~9.811mg, manganese: 20.03~40.06 mg, zinc: 49.68~83.37 mg; Chromium: 0.1~0.2 mg; Selenium: 0.1~0.2 mg, cobalt: 0.1~0.2 mg, iodine: 0.14~0.18 mg.
3, a kind of milking sow expanded pellet feed according to claim 1, it is characterized in that: the carrier of said vitamin premix is a corn protein powder, the per kilogram vitamin premix contains the vitamin composition of following weight parts:
Vitamin A: 5000~7500 IU, cholecalciferol: 150~300 IU, vitamin C: 190~285 mg, vitamin B1: 4.0~5.75 mg; Vitamin E: 250~275 mg, nicotinic acid: 20~29.5 mg, vitamin B2: 5.5~8.75 mg; Cobalamin: 0.15~0.18 mg, vitamin B6: 5~8 mg, prokeyvit: 25.25~30.875 mg; Folic acid: 0.35~0.60 mg, D-pantothenic acid: 20~34.5 mg, D-biotin: 0.15~0. 25 mg.
The preparation method of described a kind of milking sow expanded pellet feed is characterized in that comprising the steps:
1) take by weighing each formula material by formula rate, other raw material stirring except that soya-bean oil is mixed, after once pulverizing lets raw material cross the 40-50 mesh sieve, stirring and evenly mixing once more, adding water while stirring, to process water content be 15~25% feed base-material;
2) above-mentioned feed base-material input is pushed well done bulking machine with twin shaft; Earlier be at steam pressure that 0.4~0.5Mpa, humidity are 19~23%, temperature is under 85~90 ℃ of conditions modified 160~200 seconds; And then it is 180 ℃ at curing temperature; Press in the chamber is 22~28atm, and screw speed is that the following curing time of condition of 450~500r/min is 90~120 seconds;
3) let after the slaking feed base-material extrude then, obtain pellet from nib;
4) soya-bean oil in will filling a prescription sprays to pellet through vacuum deposition, obtains the pellet finished product.
The twin shaft extruder is available from ocean, Pekinese construction machinery company.
The beneficial effect of the invention:
1, passes through the comprehensive function of factors such as steam thermal energy, mechanical friction ability and pressure in process of production; Make drop temperature reach 90~145 ℃, reach sterilization, destroy ANFs fully, well done; The abundant gelatinization of starch, albuminous degeneration; Improve feed digestibility, improved fodder energy, improved feed stability.
2, the airless spraying of heat-sensitive substance such as grease can be deep and thorough to granule interior, can spray evenly, adds required grease to feed easily, and addition accurately and control easily, is particularly suitable for the making of milking sow high energy feed prescription.
3, the pellet curing degree that makes of the inventive method is more than 80%, and ANFs is destroyed in the pellet like this, and milking sow food back utilization rate is higher; Can reach more than 73%, sow happiness food, the milk secretion is sufficient; The piglet birth weight is high; Can reach the 1.7-1.9 kilogram, average more than 1.5 kilograms, domestic mean level is the 1.3-1.5 kilogram.25-28 age in days weaning weight can reach more than 8 kilograms, than general 6.5 kilograms high more than 1.5 kilograms.Wean back sow is in good condition, and body condition is good, and oestruses in the week, and the comprehensive benefit of breed is remarkable.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Embodiment 1
The expanded hard pellet diet of a kind of milking sow takes by weighing corn: 50~55, and the super steam fish meal of import: 3~4.5, fermented bean dregs: 3~5; Flour: 8~10, wheat: 10~15, the non-transgenic dregs of beans: 13.5~15.1, rapeseed dregs: 2~4; Expanded soybean: 5~10, mineral substance premix: 1~2, vitamin premix: 0.2~0.3, calcium monohydrogen phosphate: 1.0~1.2; Soya-bean oil: 2.5~4, calcium propionate: 1~2, oligosaccharides 0.1~0.2.
The carrier of mineral substance premix is a zeolite, and the per kilogram mineral substance premix contains the mineral composition of following weight parts: iron: 50.30~60.90 mg, copper: 7.90~9.811mg; Manganese: 20.03~40.06 mg; Zinc: 49.68~83.37 mg, chromium: 0.1~0.2 mg, selenium: 0.1~0.2 mg; Cobalt: 0.1~0.2 mg, iodine: 0.14~0.18 mg; The carrier of vitamin premix is a corn protein powder, and the per kilogram vitamin premix contains the vitamin composition of following weight parts: vitamin A: 5000~7500 IU, cholecalciferol: 150~300 IU; Vitamin C: 190~285 mg, vitamin B1: 4.0~5.75 mg, vitamin E: 250~275 mg; Nicotinic acid: 20~29.5 mg, vitamin B2: 5.5~8.75 mg, cobalamin: 0.15~0.18 mg; Vitamin B6: 5~8 mg, prokeyvit: 25.25~30.875 mg, folic acid: 0.35~0.60 mg; D-pantothenic acid: 20~34.5 mg, D-biotin: 0.15~0. 25 mg.
The preparation method:
Other raw material stirring except that soya-bean oil is mixed, after once pulverizing, let raw material cross 40 mesh sieves after, mixing stirring once more, adding water while stirring, to process water content be 15~25% feed base-material; Feed base-material input twin shaft is pushed in the well done bulking machine, be at steam pressure that 0.4~0.5Mpa, humidity are 19~23% earlier, temperature is under 85~90 ℃ of conditions modified 160~200 seconds; Be 180 ℃ at curing temperature again, press in the chamber is 22~28atm, and screw speed is slaking 90~120 seconds under the condition of 450~500r/min, lets extrude from nib after the slaking of feed base-material, obtains pellet; With soya-bean oil pellet is sprayed again, for well, obtain the pellet finished product with airless spraying.The material component of this prescription can make expanded hard pellet diet, and slaking reaches 85%.
Claims (4)
1. milking sow expanded pellet feed is characterized in that: by the raw material dubbed feed base-material of following weight parts: corn 50~55, the super steam fish meal 3~4.5 of import, fermented bean dregs powder 3~5; Flour 8~10, wheat 10~15, non-transgenic dregs of beans 13.5~15.1, rapeseed dregs 2~4; Expanded soybean 5~10, mineral substance premix 1~2, vitamin premix 0.2~0.3, calcium monohydrogen phosphate 1.0~1.2; Soya-bean oil 2.5~4, calcium propionate 1~2, oligosaccharides 0.1~0.2.
2. according to a kind of milking sow expanded pellet feed as claimed in claim 1, it is characterized in that: the carrier of said mineral substance premix is a zeolite, and the per kilogram mineral substance premix contains the mineral composition of following weight parts: iron: 50.30~60.90 mg; Copper: 7.90~9.811mg, manganese: 20.03~40.06 mg, zinc: 49.68~83.37 mg; Chromium: 0.1~0.2 mg; Selenium: 0.1~0.2 mg, cobalt: 0.1~0.2 mg, iodine: 0.14~0.18 mg.
3. a kind of milking sow expanded pellet feed according to claim 1 is characterized in that: the carrier of said vitamin premix is a corn protein powder, and the per kilogram vitamin premix contains the vitamin composition of following weight parts:
Vitamin A: 5000~7500 IU, cholecalciferol: 150~300 IU, vitamin C: 190~285 mg, vitamin B1: 4.0~5.75 mg; Vitamin E: 250~275 mg, nicotinic acid: 20~29.5 mg, vitamin B2: 5.5~8.75 mg; Cobalamin: 0.15~0.18 mg, vitamin B6: 5~8 mg, prokeyvit: 25.25~30.875 mg; Folic acid: 0.35~0.60 mg, D-pantothenic acid: 20~34.5 mg, D-biotin: 0.15~0. 25 mg.
4. the preparation method of a kind of milking sow expanded pellet feed as claimed in claim 1 is characterized in that comprising the steps:
1) take by weighing each formula material by formula rate, other raw material stirring except that soya-bean oil is mixed, after once pulverizing lets raw material cross the 40-50 mesh sieve, stirring and evenly mixing once more, adding water while stirring, to process water content be 15~25% feed base-material;
2) above-mentioned feed base-material input is pushed well done bulking machine with twin shaft; Earlier be at steam pressure that 0.4~0.5Mpa, humidity are 19~23%, temperature is under 85~90 ℃ of conditions modified 160~200 seconds; And then it is 180 ℃ at curing temperature; Press in the chamber is 22~28atm, and screw speed is that the following curing time of condition of 450~500r/min is 90~120 seconds;
3) let after the slaking feed base-material extrude then, obtain pellet from nib;
4) soya-bean oil in will filling a prescription sprays to pellet through vacuum deposition, obtains the pellet finished product.
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