CN111567697B - Feed for improving egg laying performance and hatchability of poultry and application thereof - Google Patents

Feed for improving egg laying performance and hatchability of poultry and application thereof Download PDF

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CN111567697B
CN111567697B CN202010429333.1A CN202010429333A CN111567697B CN 111567697 B CN111567697 B CN 111567697B CN 202010429333 A CN202010429333 A CN 202010429333A CN 111567697 B CN111567697 B CN 111567697B
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methionine
lysine
feed
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CN111567697A (en
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王文策
冯艳
杨琳
朱勇文
叶慧
夏戴阳
黎宇
黄靓
陈建颖
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South China Agricultural University
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/70—Feeding-stuffs specially adapted for particular animals for birds
    • A23K50/75—Feeding-stuffs specially adapted for particular animals for birds for poultry
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
    • A01K67/02—Breeding vertebrates
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/105—Aliphatic or alicyclic compounds
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/142—Amino acids; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/142—Amino acids; Derivatives thereof
    • A23K20/147—Polymeric derivatives, e.g. peptides or proteins
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/158—Fatty acids; Fats; Products containing oils or fats
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/28—Silicates, e.g. perlites, zeolites or bentonites
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87—Re-use of by-products of food processing for fodder production

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Abstract

The invention provides a feed for improving egg laying performance and hatchability of poultry and application thereof, and belongs to the technical field of feeds. The Muscovy duck feed comprises the following raw materials in parts by weight: 51.5 to 52.0 parts of corn, 17.5 to 18.0 parts of soybean meal, 7.40 to 7.50 parts of corn protein powder, 8.8 to 9.2 parts of wheat middling, 1.85 to 1.90 parts of lard, 1.5 to 2.0 parts of calcium hydrophosphate, 8 to 9 parts of stone powder, 0.25 to 0.35 part of salt, 0.12 to 0.16 part of organic acid, 0.05 to 0.10 part of choline chloride, 0.08 to 0.12 part of sodium bicarbonate, 0.04 to 0.32 part of solid methionine, 0.18 to 0.54 part of lysine hydrochloride, 0.00 to 0.82 part of bentonite and 0.38 to 0.42 part of premix. The Muscovy duck breeding feed can improve the egg laying performance and the hatching performance of female Muscovy ducks.

Description

Feed for improving egg laying performance and hatchability of poultry and application thereof
Technical Field
The invention relates to the technical field of poultry feed, in particular to feed for improving egg laying performance and hatchability of poultry and application thereof.
Background
In recent years, in order to improve economic benefits, relevant workers pay more attention to improving the egg laying quantity of poultry, neglect the egg laying quality and the hatching rate of breeding poultry, cause the low hatching rate of offspring born by the breeding poultry, and improve the cost in poultry cultivation. Meanwhile, the sick and weak young poultry with insufficient congenital degree is more susceptible to diseases, so that the economic damage of farmers is caused.
In the prior art, the research direction for improving the egg laying performance or the hatchability of poultry focuses on adding additives or active substances with high price into basic feed, so that the basic cost of the feed is improved while the problems of low egg laying performance and low hatchability are solved.
Disclosure of Invention
In view of the above, the invention provides the feed for improving the egg laying performance and the hatchability of the poultry and the application thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a feed for improving egg laying performance and hatchability of poultry, which comprises the following components in parts by weight: 51.5 to 52.0 parts of corn, 17.5 to 18.0 parts of soybean meal, 7.40 to 7.50 parts of corn protein powder, 8.8 to 9.2 parts of wheat middling, 1.85 to 1.90 parts of lard, 1.5 to 2.0 parts of calcium hydrophosphate, 8 to 9 parts of stone powder, 0.25 to 0.35 part of salt, 0.12 to 0.16 part of organic acid, 0.05 to 0.10 part of choline chloride, 0.08 to 0.12 part of sodium bicarbonate, 0.04 to 0.32 part of solid methionine, 0 to 0.54 part of lysine hydrochloride, 0.00 to 0.82 part of bentonite and 0.38 to 0.42 part of premix.
Preferably, the content of methionine in the solid methionine is more than or equal to 98 wt%, and the content of lysine in lysine hydrochloride is 76.3 wt% to 78.0 wt%.
Preferably, the egg-dependent ratio in the feed is 1.69-2.25.
Preferably, the mass content of lysine in the feed is 0.75-1.17 wt.%, and the mass content of methionine is 0.34-0.61 wt.%.
Preferably, when the mass content of lysine in the feed is 0.75-0.89 wt.%, the mass content of methionine is 0.34-0.43 wt.%.
Preferably, when the mass content of lysine in the feed is 0.61-1.03 wt.%, the mass content of methionine is 0.52-0.61 wt.%.
Preferably, the feed is in the form of granules.
The invention provides application of the feed in the technical scheme in improving the egg laying performance and the hatchability of poultry.
Preferably, the poultry is a Muscovy duck or a cherry valley duck.
Preferably, the feeding amount of the feed is 150-170 g/day/pig.
The invention provides a feed capable of improving egg laying performance and hatchability of poultry, which comprises the following components in parts by weight: 51.5 to 52.0 parts of corn, 17.5 to 18.0 parts of soybean meal, 7.40 to 7.50 parts of corn protein powder, 8.8 to 9.2 parts of wheat middling, 1.85 to 1.90 parts of lard, 1.5 to 2.0 parts of calcium hydrophosphate, 8 to 9 parts of stone powder, 0.25 to 0.35 part of salt, 0.12 to 0.16 part of organic acid, 0.05 to 0.10 part of choline chloride, 0.08 to 0.12 part of sodium bicarbonate, 0.04 to 0.32 part of solid methionine, 0 to 0.54 part of lysine hydrochloride, 0.00 to 0.82 part of bentonite and 0.38 to 0.42 part of premix. On the basis of not additionally adding other additives, the basic feed can meet the egg laying nutritional requirements of the poultry through the adaptive adjustment of the component types and the use amounts, so that the egg laying performance and the hatchability of the poultry are improved. The embodiment shows that the feed provided by the invention can obviously improve the laying rate, reduce the feed-egg ratio, reduce the dead embryo rate and improve the healthy chick rate.
Detailed Description
The invention is further described below in connection with specific embodiments for the purpose of enabling those skilled in the art to better understand and practice the invention. The following should not be construed to limit the scope of the claims in any way.
The invention provides a feed for improving egg laying performance and hatchability of poultry, which comprises the following components: corn, soybean meal, corn protein powder, wheat middling, lard, calcium hydrophosphate, stone powder, salt, organic acid, choline chloride, sodium bicarbonate, solid methionine, lysine hydrochloride, bentonite and premix.
The invention does not require any particular source for the components of the feed, unless otherwise specified, and is well known to those skilled in the art.
The feed provided by the invention comprises 51.5-52.0 parts of corn by mass, and more preferably 51.8 parts of corn.
Based on the mass parts of the corn, the feed provided by the invention comprises 17.5-18.0 parts of soybean meal, and more preferably 17.7 parts of soybean meal.
The feed provided by the invention comprises 7.40-7.50 parts of corn protein powder by mass, and more preferably 7.44 parts of corn protein powder by mass.
Based on the mass parts of the corn, the feed provided by the invention comprises 8.8-9.2 parts of wheat middling, and more preferably 9 parts of wheat middling.
The feed provided by the invention comprises 1.85-1.90 parts of lard, and more preferably 1.88 parts of corn by mass. In the invention, the lard is feed-grade lard.
The feed provided by the invention comprises 1.5-2.0 parts of calcium hydrophosphate, and more preferably 1.8 parts by mass based on the mass parts of corn.
Based on the mass parts of the corn, the feed provided by the invention comprises 8-9 parts of stone powder, and more preferably 8.5 parts.
The feed provided by the invention comprises 0.25-0.35 part of salt, and more preferably 0.3 part of corn by mass.
The feed provided by the invention comprises 0.12-0.16 part of organic acid by mass of corn, and more preferably 0.14 part of organic acid by mass of corn. In the present invention, the organic acid is preferably benzoic acid or fumaric acid. In the embodiment of the present invention, the acid protecting beauty of the company nomavi can be specifically selected.
The feed provided by the invention comprises 0.05-0.10 part of choline chloride by mass based on the parts by mass of corn, and is further preferably 0.08 part.
The feed provided by the invention comprises 0.08-0.12 part of sodium bicarbonate, and more preferably 0.1 part of corn by mass.
The feed provided by the invention comprises 0.04-0.32 part of solid methionine, and more preferably 0.14-0.32 part of solid methionine by mass based on the mass parts of corn; the content of methionine in the solid methionine is preferably more than or equal to 98wt.%.
Based on the mass parts of the corn, the feed provided by the invention comprises 0.18-0.54 part of lysine hydrochloride, and more preferably 0.18-0.36 part of lysine hydrochloride; the mass content of lysine in the lysine hydrochloride is preferably 76.3wt.% to 78.0wt.%, and more preferably 78.0wt.%.
Based on the mass parts of the corn, the feed provided by the invention comprises 0.00-0.82 part of bentonite.
Based on the mass parts of the corn, the feed provided by the invention comprises 0.38-0.42 part of premix. In the invention, the mass content of the effective components in the premix is 0.4wt.%, and each 1kg of the premix contains the following nutritional components: 8000-12000 IU of vitamin A, 3000-6000 IU of vitamin D, 30-50 IU of vitamin E, 3.5-6 mg of vitamin K and vitamin B 1 2-4 mg of vitamin B 2 9-15 mg of vitamin B 6 6-8 mg of vitamin B 12 0.02-0.04 mg, 20-60 mg of D-pantothenic acid, 1.5-3 mg of folic acid and 0.15-0.3 mg of biotin; 40-60 mg of iron, 6-10 mg of copper, 60-70 mg of zinc, 70-100 mg of manganese and 0.30-0.40 mg of selenium.
The present invention does not require any particular source of the components unless otherwise specified, and commercially available products well known to those skilled in the art can be used.
In the present invention, the ratio of eggs in the feed is preferably 1.69 to 2.25, and more preferably 2.07 to 2.21, 1.69, or 2.25. The mass content of lysine in the feed for improving the egg laying performance and the hatchability of poultry provided by the invention is preferably 0.75-1.17 wt.%, and the mass content of methionine is preferably 0.34-0.61 wt.%. In the invention, when the mass content of lysine in the feed is 0.75-0.89 wt.%, and the mass content of methionine is preferably 0.34-0.43 wt.%, the improved egg laying performance of the fed poultry is optimal; when the mass content of lysine in the feed is 0.61-1.03 wt.% and the mass content of methionine is 0.52-0.61 wt.%, the influence on the egg laying performance of the fed poultry is favorable. Further, when the mass content of lysine in the feed is 1.03wt.% and the mass content of methionine is preferably 0.61wt.%, or when the mass content of lysine in the feed is 0.61wt.% and the mass content of methionine is preferably 0.52wt.%, the optimum egg laying performance of the fed poultry can be obtained. The content ratio of lysine to methionine in the feed is controlled, so that on the basis of not changing the basic components of the feed, the feed not only ensures the palatability, meets the nutritional requirements of the Muscovy ducks in the egg laying period, but also is more beneficial to providing the nutrients of the Muscovy ducks parents, and the nutrients are taken by the offspring embryos from the parents, so that the egg laying performance and the hatching performance of the Muscovy ducks are promoted.
In the invention, the formulation of the feed is preferably granules, and is further preferably cylindrical granules; the cylindrical granules are helpful for poultry to eat.
The invention has no special requirements on the preparation of the feed for improving the egg laying performance and the hatchability of the poultry, and the conventional preparation mode of the composition feed well known by the technical personnel in the field can be adopted; in the examples of the present invention, the mixing of the components was specifically adopted.
The invention provides application of the feed in the technical scheme in improving the egg laying performance and the hatchability of poultry.
In the invention, the poultry is preferably a female muscovy duck or a cherry valley female duck, and is further preferably a female muscovy duck; the week age of the female Muscovy duck fed by the feeding device is preferably 30-35 weeks old; more preferably from 31 to 35 weeks of age, most preferably from 32 to 34 weeks of age. The feed influences the physique of female ducks, and further influences the egg laying quality of female muscovy ducks, the hatchability of laid eggs and the health degree of hatched young ducks.
The invention also provides a method for applying the feed in the technical scheme to improve the egg laying performance and the hatchability of poultry, which specifically comprises the following steps: adopting a feeding mode of free feeding; the feed amount of the feed is preferably 150 to 170 g/day, and more preferably 158 to 160 g/day.
Example 1
A feed for improving egg laying performance and hatchability of poultry comprises the following components: 51.8% of corn, 17.7% of soybean meal, 7.44% of corn protein powder, 9.00% of wheat middling, 1.88% of lard, 1.80% of calcium hydrophosphate, 8.50% of stone powder, 0.30% of salt, 0.14% of organic acid, 0.08% of choline chloride, 0.10% of sodium bicarbonate, 0.04% of solid methionine, 0.82% of bentonite and 0.4% of premix.
Each 1kg of premix contains the following nutrients: 8000IU of vitamin A, 300IU of vitamin D, 30IU of vitamin E and vitamin K 3 2.5mg of vitamin B 1 2.0mg of vitamin B 2 15mg of vitamin B 6 4.0mg, vitamin B 12 0.02mg, 20mg of D-pantothenic acid, 1.5-3 mg of folic acid and 0.15-0.3 mg of biotin; 60mg of iron, 8mg of copper, 60mg of zinc, 100mg of manganese and 0.30mg of selenium.
Through detection, the mass content of lysine in the feed is 0.75%, and the mass content of methionine is 0.34%.
Example 2
Solid methionine 0.14%, bentonite 0.72%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 0.75%, and the content of methionine is 0.43%.
Example 3
Solid methionine 0.23%, bentonite 0.63%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 0.75%, and the content of methionine is 0.52%.
Example 4
Solid methionine 0.32%, bentonite 0.54%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 0.75%, and the content of methionine is 0.61%.
Example 5
Lysine hydrochloride 0.18%, bentonite 0.64%, and the other components are the same as in example 1.
Through detection, the content of lysine in the feed is 0.89%, and the content of methionine is 0.34%.
Example 6
Solid methionine 0.14%, lysine hydrochloride 0.18%, bentonite 0.54%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 0.89%, and the content of methionine is 0.43%.
Example 7
Solid methionine 0.23%, lysine hydrochloride 0.18%, bentonite 0.45%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 0.89%, and the content of methionine is 0.52%.
Example 8
Solid methionine 0.32%, lysine hydrochloride 0.18%, bentonite 0.36%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 0.89%, and the content of methionine is 0.61%.
Example 9
Lysine hydrochloride 0.36%, bentonite 0.64%, and the other components are the same as in example 1.
Through detection, the content of lysine in the feed is 1.03%, and the content of methionine is 0.34%.
Example 10
Solid methionine 0.14%, lysine hydrochloride 0.36%, bentonite 0.36%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 1.03%, and the content of methionine is 0.43%.
Example 11
Solid methionine 0.23%, lysine hydrochloride 0.36%, bentonite 0.27%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 1.03%, and the content of methionine is 0.52%.
Example 12
Solid methionine 0.32%, lysine hydrochloride 0.36%, bentonite 0.18%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 1.03%, and the content of methionine is 0.61%.
Example 13
Lysine hydrochloride 0.54%, bentonite 0.28%, and the other components are the same as in example 1.
Through detection, the content of lysine in the feed is 1.17%, and the content of methionine is 0.34%.
Example 14
Solid methionine 0.14%, lysine hydrochloride 0.54%, bentonite 0.18%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 1.17%, and the content of methionine is 0.43%.
Example 15
Solid methionine 0.23%, lysine hydrochloride 0.54%, bentonite 0.09%, and the other components were the same as in example 1.
Through detection, the content of lysine in the feed is 1.17%, and the content of methionine is 0.52%.
Example 16
Solid methionine 0.32%, lysine hydrochloride 0.54%, bentonite was not added, and the other composition was the same as in example 1.
Through detection, the content of lysine in the feed is 1.17%, and the content of methionine is 0.61%.
Application example 1
Selecting 432 healthy female muscovy ducks of 30 weeks old, randomly dividing into 4 groups, and feeding the feeds provided by the examples 1-4 respectively for each group; each group has 6 replicates, and each replicate has 18 female muscovy ducks. The feeds provided by the examples 1-4 are fed to the 1 group, the 2 group, the 3 group and the 4 group respectively, the feeding mode is free feeding, the average daily feeding amount of each Muscovy duck is 160-165 g, and the test period is 6 weeks. After the test is finished, the egg laying performance and the hatching performance of the last-breed female muscovy ducks of 35 weeks are detected, and the details are shown in tables 1-2.
TABLE 1 influence of different methionine levels and lysine to egg ratio diets on performance of Muscovy ducks
Figure BDA0002499919170000071
Note: the upper case letters of the same column indicate that the difference is significant (P < 0.05), otherwise, the difference is not significant (P > 0.05), and the following is the same.
As can be seen from table 1, although there was no significant difference in the indexes related to egg laying performance among the groups of examples 1 to 4, when the feed lysine level was 0.75%, the methionine level was 0.34% to 0.43%, and the ratio of lysine to egg was 1.74 to 2.21 (i.e., examples 1 and 2), the egg laying rate and daily egg laying amount were high, and good productivity was obtained.
TABLE 2 Effect of different methionine levels and lysine to egg ratios of the diets on Muscovy Duck hatching Performance
Figure BDA0002499919170000081
As can be seen from table 2, the feeding diet with different methionine levels and lysine ratios has a significant effect (P < 0.05) on the 18 embryo age dead embryo rate of the hatching egg and the hatching egg rate of the Muscovy duck, and when the feeding diet lysine level is 0.75%, the methionine level is 0.34%, and the lysine ratio is 2.21 (i.e., example 1), the hatching egg rate and the hatching egg rate of the fertilized egg are the highest, and the 18 embryo age dead embryo rate of the hatching egg is lower, so that better hatching performance is obtained.
Application example 2
Selecting 432 healthy female muscovy ducks of 30 weeks old, randomly dividing into 4 groups, and marking as 5 groups, 6 groups, 7 groups and 8 groups; each group has 6 replicates, and each replicate has 18 female muscovy ducks. 5 groups, 6 groups, 7 groups and 8 groups are respectively fed with the feed provided by the 5-8 groups of the examples, the feeding mode is free feeding, the feed is fed according to the average daily feeding amount of 160-165 g of each Muscovy duck, and the test period is 6 weeks. After the test is finished, the egg laying performance and the hatching performance of the female muscovy ducks of the last 35 weeks are detected, and the details are shown in tables 3-4.
TABLE 3 influence of different methionine levels and lysine to egg ratio on the egg laying performance of Muscovy ducks
Figure BDA0002499919170000082
Figure BDA0002499919170000091
As can be seen from Table 3, the groups of examples 5 to 8 were all effective in increasing the laying rate of poultry. Wherein when the lysine level of the diet is 0.89 percent, the methionine level is 0.43 percent and the ratio of lysine to egg is 2.07 (namely, the group of example 6), the indexes of the laying rate, the daily egg laying amount and the feed-egg ratio are all obviously superior to those of other 3 groups (P < 0.05), and the best egg laying performance is obtained.
TABLE 4 influence of different methionine levels and lysine to egg ratio diets on hatching performance of Muscovy ducks
Figure BDA0002499919170000092
As can be seen from Table 4, the feeding diets with different methionine levels and lysine ratios have significant effects on the hatching rate of Muscovy ducks for the eggs and the hatching rate of fertilized eggs (P < 0.05), and when the lysine level is 0.89%, the methionine level is 0.43% and the lysine ratio is 2.07 (i.e., example 6), the hatching rate of the hatched eggs and the hatching rate of the fertilized eggs are the highest (P < 0.05), and the embryo rate of 18 embryo-aged dead embryos tends to be reduced, so that better hatching performance is obtained.
Application example 3
Selecting 432 healthy female muscovy ducks of 30 weeks old, randomly dividing into 4 groups, and marking as 9 groups, 10 groups, 11 groups and 12 groups; each group had 6 replicates, each replicate 18 female muscovy ducks. The feeds provided by the examples 9-12 are fed to 9 groups, 10 groups, 11 groups and 12 groups respectively, the feeding mode is free feeding, the feed is fed according to the average daily feeding amount of 160-165 g of each Muscovy duck, and the test period is 6 weeks. After the test is finished, the egg laying performance and the hatching performance of the last-breed female muscovy ducks of 35 weeks are detected, and the details are shown in tables 5 to 6.
TABLE 5 influence of different methionine levels and lysine to egg ratio diets on performance of Muscovy ducks
Figure BDA0002499919170000093
Figure BDA0002499919170000101
As can be seen from Table 5, the feed with different methionine levels and lysine-to-egg ratios has a significant effect on the laying rate and daily yield of Muscovy ducks (P < 0.05). Wherein the laying rate and daily egg production were significantly higher than those of the test group having a lysine level of 1.03%, a methionine level of 0.61%, and a lysine ratio of 1.69 (i.e., example 12) in the diet than those of the test group having a lysine level of 1.03%, a methionine level of 0.34%, and a lysine ratio of 3.03 (i.e., example 9), and the highest laying rate and daily egg production were achieved and the lowest feed-egg ratio was obtained.
TABLE 6 influence of different methionine levels and lysine to egg ratios on hatching performance of Muscovy ducks
Figure BDA0002499919170000102
As can be seen from table 6, although there is no significant difference in the indexes related to the hatching performance of each group in examples 9 to 12, when the feed lysine level is 1.03%, the methionine level is 0.52%, and the lysine-to-egg ratio is 1.98 (i.e., example 11), the 18-embryo-age dead embryo rate is the lowest, and the hatching rate of the hatching eggs and the hatching rate of the fertilized eggs are the highest, so as to obtain the better hatching performance.
Application example 4
Selecting 432 healthy female muscovy ducks of 30 weeks old, randomly dividing into 4 groups, and marking as 13 groups, 14 groups, 15 groups and 16 groups; each group had 6 replicates, each replicate 18 female muscovy ducks. The feed provided by the examples 13-16 is fed to the 13 groups, 14 groups, 15 groups and 16 groups respectively, the feeding mode is free feeding, the feed is fed according to the average daily feeding amount of 160-165 g per Muscovy duck, and the test period is 6 weeks. After the test is finished, the egg laying performance and the hatching performance of the female muscovy ducks of the last 35 weeks are detected, and the details are shown in tables 7-8.
TABLE 7 influence of different methionine levels and lysine to egg ratio diets on performance of Muscovy ducks
Figure BDA0002499919170000103
Figure BDA0002499919170000111
As can be seen from Table 7, the diets with different methionine levels and lysine-to-egg ratios have significant effects on the laying rate, daily egg production and feed-to-egg ratio of Muscovy ducks (P < 0.05). The feed lysine level was 1.17%, the methionine level was 0.43%, the group for test with a lysine ratio of 2.72 (group 14) and the lysine level was 1.17%, the methionine level was 0.43%, the group for test with a lysine ratio of 2.25 (group 15) and the lysine level was 1.17%, the methionine level was 0.61%, the laying rate and daily egg production of the group for test with a lysine ratio of 1.92 (group 16) were significantly higher and the feed-egg ratio was significantly lower than the lysine level of 1.17%, the methionine level was 0.34%, the group for test with a lysine ratio of 3.44 (group 13) (P < 0.05); and 15 groups obtain the highest laying rate and the lowest feed-egg ratio, and obtain better laying performance.
TABLE 8 influence of different methionine levels and lysine ratio of feeds on hatching performance of Muscovy ducks
Figure BDA0002499919170000112
As can be seen from table 8, the hatching performance related indexes of the 13-16 groups have no significant difference, but the 18-embryo-age dead embryo rate is the lowest when the feed lysine level is 1.17%, the methionine level is 0.52% and the lysine-to-egg ratio is 2.25 (i.e., the test 15 groups) are combined.
Application example 5
In the application example, the female muscovy ducks at the end of the 6 th week are fed and supplied with water 20 days 1. The results are shown in Table 9.
TABLE 9 influence of different lysine and methionine levels on the hormone index in the serum of female Muscovy duck during egg-laying peak period
Figure BDA0002499919170000113
Figure BDA0002499919170000121
As can be seen from table 9, different levels of lysine and methionine have significant effects on luteinizing hormone, estradiol and insulin; when the methionine content is higher than 0.34% and the lysine content is higher than 0.75%, the contents of luteinizing hormone and estradiol can be obviously improved (P < 0.05). And when the content of methionine (0.61%) and lysine (1.17%) is too high, the level of each hormone (follicle stimulating hormone, progesterone, estradiol and insulin) can be reduced to a certain extent; and the specific ratio of lysine to methionine has obvious interaction effect on the estradiol index in the serum of the Muscovy duck.
The experiments show that compared with the traditional feed formula in which the types of active substances in the feed additive are adjusted, the feed additive is not required to be additionally added, the egg laying and hatching performances are adjusted by the Muscovy duck essential nutrients methionine and lysine, the adaptability of the breeding poultry is not adversely affected by the breeding poultry, and the breeding poultry is not quickly adapted as long as the proper proportion is adjusted; and the methionine and the lysine in the feed are very common, the properties are stable, the variation is not large, and the feed can meet the basic nutritional requirements of Muscovy ducks by being reasonably mixed with other raw materials, so that the palatability of the feed is not influenced. The Muscovy duck feed provided by the invention can obviously improve the laying rate and daily egg yield, and obviously reduce the feed-egg ratio and improve the egg laying performance; and can remarkably improve the hatching rate and reduce the hatching death rate to improve the hatching performance. Therefore, the Muscovy duck breeding feed disclosed by the invention realizes a good technical effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.

Claims (6)

1. The feed for improving the egg laying performance and the hatching rate of poultry is characterized by comprising the following components in parts by weight: 51.5 to 52.0 parts of corn, 17.5 to 18.0 parts of soybean meal, 7.40 to 7.50 parts of corn protein powder, 8.8 to 9.2 parts of wheat middling, 1.85 to 1.90 parts of lard, 1.5 to 2.0 parts of calcium hydrophosphate, 8 to 9 parts of stone powder, 0.25 to 0.35 part of salt, 0.12 to 0.16 part of organic acid, 0.05 to 0.10 part of choline chloride, 0.08 to 0.12 part of sodium bicarbonate, 0.04 to 0.32 part of solid methionine, 0 to 0.54 part of lysine hydrochloride, 0.00 to 0.82 part of bentonite and 0.38 to 0.42 part of vitamin mineral premix;
the mass content of lysine in the feed is 0.75-1.17wt.%, the mass content of methionine is 0.34-0.61wt.%, or the mass content of lysine in the feed is 0.61-1.03wt.%, the mass content of methionine is 0.52-0.61wt.%;
the poultry is female muscovy duck; the egg-dependent ratio in the feed is 1.69 to 2.25.
2. The feed according to claim 1, wherein the content of methionine in the solid methionine is not less than 98wt.%, and the content of lysine in lysine hydrochloride is 76.3wt.% to 78.0wt.%.
3. The feed according to claim 1 or 2, wherein the feed contains 0.75% by mass of lysine, 0.34% by mass of methionine, 0.75% by mass of lysine, 0.43% by mass of methionine, 0.75% by mass of lysine, 0.52% by mass of methionine, 0.75% by mass of lysine, 0.61% by mass of methionine, 0.89% by mass of lysine, 0.34% by mass of methionine, 0.89% by mass of lysine, 0.43% by mass of methionine, 0.89% by mass of lysine, 0.52% by mass of methionine, 0.89% by mass of lysine, 0.61% by mass of methionine, 1.03% by mass of lysine, 0.03% by mass of methionine, 1.03% by mass of lysine, 1.43% by mass of lysine, 1.61% by mass of methionine, 17% by mass of methionine, 17.17% by mass of methionine, 17.61% by mass of lysine, 17.61% by mass of methionine, 17.61%, 17% by mass of methionine, 17.61% of lysine, 17% by mass of methionine.
4. The feed according to claim 1 or 2, wherein the feed is in the form of granules.
5. Use of the feed according to any one of claims 1 to 4 for improving egg laying performance and hatchability of poultry, such as Muscovy ducks.
6. The use of claim 5, wherein the feed is fed at a rate of 150 to 170g/day/pig.
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UA72013U (en) * 2011-11-04 2012-08-10 Львовский Национальный Университет Ветеринарной Медицины И Биотехнологий Имени С.З. Гжицкого Method for improving quality of biologically active feed additives for poultry
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CN104686864A (en) * 2015-03-27 2015-06-10 安庆永强农业科技股份有限公司 Muscovy duck fodder

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