CN105901363B - Late-stage premixed feed for fast-growing piglets and feeding method thereof - Google Patents

Late-stage premixed feed for fast-growing piglets and feeding method thereof Download PDF

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Publication number
CN105901363B
CN105901363B CN201610250106.6A CN201610250106A CN105901363B CN 105901363 B CN105901363 B CN 105901363B CN 201610250106 A CN201610250106 A CN 201610250106A CN 105901363 B CN105901363 B CN 105901363B
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feed
fast
piglets
late
premix
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CN105901363A (en
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桂金凯
沈国富
徐金柱
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WUHAN JIAJIALE FEED Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00Rearing or breeding animals, not otherwise provided for; New breeds of animals
    • A01K67/02Breeding vertebrates
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87Re-use of by-products of food processing for fodder production

Abstract

The invention discloses a later-stage premixed feed for fast-growing piglets and a feeding method thereof, wherein the later-stage premixed feed for the fast-growing piglets is an 8% premix for pigs under a net energy system, and comprises the following components: fish meal, expanded soybeans, compound grease, salt, choline chloride, peeled soybean meal, glucose, white granulated sugar, a compound enzyme preparation, a plurality of trace elements, monocalcium phosphate, stone powder, multivitamins, methionine, threonine, tryptophan, lysine, arginine, probiotics and zeolite powder; the piglet compound feed prepared by the premix is suitable for piglets of which the feeding period is 20-50 kg. The feed formula is designed by utilizing a net energy mode, the amino acid of the feed is balanced, the nutrition is comprehensive, the feed intake of piglets can be effectively improved, the digestion and absorption capacity of the piglets on the feed is enhanced, the stress is reduced, the immunity is improved, the growth speed of the piglets is accelerated, and the growth period is shortened.

Description

Late-stage premixed feed for fast-growing piglets and feeding method thereof
Technical Field
The invention relates to a later-period premixed feed for fast-growing piglets and a feeding method thereof, belonging to the technical field of animal nutrition and feed.
Background
The pig needs for nutrition and energy are dynamically changed only in different growth stages and different development stages. The stage from weaning to fattening is called piglet stage, and the typical physiological characteristics of piglets in the stage are as follows: the functional development of each tissue and each organ of the body is not complete, particularly the function of a digestive system is weak, and the functions are mainly represented by small volumes of stomach and intestinal tracts, low digestive enzyme activity, insufficient gastric acid secretion and unbalanced intestinal microbial flora, so that the digestive absorption capacity of piglets in the stage is poor, and the development of an immune system is incomplete, so that the piglets in the stage are weak and sick, and the nursing difficulty is high.
The traditional formulation concept is that the feed formulation is generally designed according to the Digestive Energy (DE) and Metabolic Energy (ME) systems of animals. Researches show that digestion energy and metabolic energy systems have certain limitations and cannot truly reflect the true energy estimation value of animals, and the difference between net energy and digestion energy and metabolic energy mainly lies in that the net energy system not only considers the loss of feces energy, urine energy and gas energy, but also considers the heat loss of body, the energy level of feed, the ratio of lysine to energy, the formula cost, the waste nitrogen excretion amount and the heat and energy consumption generated by metabolism can be minimized by applying a net energy mode, and the net energy mode can more effectively reduce the level of protein, so that the net energy system is the best index for measuring the energy required by animal maintenance and production, and becomes the trend for evaluating the energy requirement of animals and the nutritional value of feed. However, the energy calculation mode of the net energy is relatively complex, and in addition, the lack of research data on energy and nutrient components of some special raw materials results in that many professionals in the industry can only stop the research, and the tool of the net energy system cannot be well utilized.
The piglet stage is a key period of skeletal development and muscle growth, has vigorous growth function and high growth speed and needs a large amount of nutrition supply. The growth of the stage is fast, the stage is crucial to later-stage fattening, the growth period can be effectively shortened, the breeding is promoted, and the method is a good strategy for improving the breeding benefit. Therefore, the feed product which has good palatability, large feed intake and good digestion and absorption effects and can ensure that the piglets can grow quickly has important significance.
The piglet needs to grow fast, and the feed intake is a prerequisite, so the feed also needs to ensure the palatability on the premise of reasonably supplying nutrition, the addition of the feed additive with strong food calling property in the feed is a conventional method for improving the feed intake of the piglet, and researches show that the feed can effectively improve the feed intake of the piglet by adding a proper amount of animal-derived additives such as fish meal, plasma protein, whey powder and the like in the feed. In order to improve the digestion and absorption effects of the feed, the balance of amino acids in the feed must be considered, namely the amount and the proportion of various amino acids meet the physiological needs of animals, and particularly the reasonable supplement of essential amino acids. Researches show that the daily ration prepared according to the amino acid balance mode not only can improve the absorption effect of the feed, but also has the functions of nutrition enhancement and health care.
Disclosure of Invention
The invention aims to provide a later-stage premixed feed for fast-growing piglets, which is designed by utilizing a net energy mode, has balanced amino acid and comprehensive nutrition, can effectively improve the feed intake of the piglets, strengthen the digestion and absorption capacity of the piglets on the feed, reduce stress, improve the immunity, accelerate the growth speed of the piglets and shorten the growth period, and also provides a feeding method of the premixed feed for the fast-growing piglets.
In order to achieve the purpose, the invention adopts the following technical scheme:
a late-stage premixed feed for fast-growing piglets is an 8% premixed feed for pigs under a net energy system, and comprises the following raw materials in percentage by weight:
wherein the amino acid balance ratio in the formula is as follows: lysine, methionine, tryptophan, threonine, arginine 100: 9: 5: 50: 6.
The fish meal is imported super steam dried fish meal, and the volatile basic nitrogen is less than 90mg/100 g.
The puffed soybean is puffed soybean powder with obviously reduced soybean anti-nutritional factors after crushing and high-temperature puffing treatment.
The compound grease is prepared by mixing soybean oil and coconut oil according to the proportion of 1: 1.
The urease activity of the peeled soybean meal is not more than 0.1 mg/(min-g), and the crushing granularity is not more than 1.0 mm.
The compound enzyme preparation is a mixed enzyme preparation comprising phytase, amylase and cellulase, and the enzyme activity units are respectively as follows: 2000U/g, 1.5X 105U/g and 2X 104U/g。
The components of the multiple trace elements and the addition amount in each 1000g of premix are as follows: 6500mg of zinc methionine 6000-, 50-100mg of selenium yeast, 6500mg of ferrous fumarate, 11000 mg of copper methionine, 1600mg of manganese sulfate monohydrate, 875mg of cobalt chloride hexahydrate and 750mg of calcium iodate.
The multidimensional components are as follows: vitamin A: 2.4X 107-3×107IU/kg, vitamin D3: 7.0X 106-7.2×106IU/kg, vitamin E: 1.0X 105-1.5×105IU/kg, vitamin K3: 9-9.5g/kg, vitamin C: 1.3-1.5g/kg, vitamin B1: 8.5-9.0g/kg, vitamin B2: 25-26g/kg, vitamin B6: 13.5-14g/kg, vitamin B12: 0.10-0.11g/kg, biotin: 0.55-1.1g/kg, folic acid: 4.0-4.5g/kg, D-pantothenic acid: 60-65g/kg, nicotinamide: 100-120 g/kg.
The probiotic is a mixture of yeast and lactobacillus with a bacteria number concentration of 2 × 109CFU/g。
The invention also provides a feeding method of the premixed feed for the fast growing piglets, which comprises the following steps of preparing a piglet compound feed according to the following components in parts by weight: 67-70 parts of corn, 18-21 parts of bean pulp, 0-3 parts of bran, 0.5-1 part of compound grease and 8 parts of premix, wherein the crushed corn, the bean pulp, the bran and the compound grease are uniformly mixed with the premix according to the proportion to prepare powdery piglet compound feed, and the powdery piglet compound feed is fed by an automatic feeder or a manual feeder and is freely fed and provides sufficient clean drinking water.
According to the feeding method of the premixed feed for the fast growing piglets, the corn is ground to have the granularity of 1.5mm, the soybean meal is ground to have the granularity of 1.5mm, and the compound grease is prepared by mixing soybean oil and coconut oil according to the proportion of 1: 1.
The piglet compound feed prepared by the feeding method of the premixed feed for the fast growing piglets is suitable for the piglets with the feeding period of 20-50 kg.
Aiming at the characteristics of piglet growth and development, a large amount of test data and research reports are combined, the formula is designed in a net energy mode, the defects of formula design based on metabolic energy and digestive energy modes are overcome, the energy distribution is more scientific and reasonable, the nutrition is complementary and the digestion is easy, the design of amino acid and mineral substance is balanced and the growth is fast, the addition of vitamin and enzyme preparation is comprehensive and well absorbed, the addition of refined fish meal and white granulated sugar enhances the food calling effect, the palatability is good, the food intake is large, the compound enzyme preparation is matched for use, the digestive absorption capacity of the feed is effectively improved, the microbial flora is optimized, the immunity is improved, and the practical effect of enabling piglets to quickly grow can be achieved through repeated test verification.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.
Example 1
An 8% fast growing piglet premix feed under a net energy system comprises the following components in percentage by weight:
raw materials Weight percent of Raw materials Weight percent of
Fish meal 10% Calcium dihydrogen phosphate 10%
Puffed soybean 20% Stone powder 10%
Compound grease 4% Multi-dimensional 0.5%
Salt 4% Methionine 0.6%
Choline chloride 1% Threonine 3%
Peeled soybean meal 14% Tryptophan 0.3%
Glucose 7% Lysine 6.5%
White granulated sugar 4% Arginine 0.5%
Complex enzyme preparation 1% Probiotics 0.5%
Multiple trace elements 2.5% Zeolite powder 0.6%
The above components are fully mixed by an automatic single-blade mixer for 5min, and the variation coefficient is less than 5%.
Example 1 premix: 27.0% of crude protein, not less than 4.0% of calcium, not less than 1.5% of total phosphorus and not less than 2.5% of salt.
Example 2
An 8% fast growing piglet premix feed under a net energy system comprises the following components in percentage by weight:
the above components are fully mixed by an automatic single-blade mixer for 5min, and the variation coefficient is less than 5%.
Example 2 premix: 27.0% of crude protein, not less than 4.0% of calcium, not less than 1.5% of total phosphorus and not less than 2.5% of salt.
Example 3
An 8% fast growing piglet premix feed under a net energy system comprises the following components in percentage by weight:
raw materials Weight percent of Raw materials Weight percent of
Fish meal 15% Calcium dihydrogen phosphate 10%
Puffed soybean 15% Stone powder 11%
Compound grease 6% Multi-dimensional 0.5%
Salt 6% Methionine 0.6%
Choline chloride 1.2% Threonine 3%
Peeled soybean meal 10% Tryptophan 0.3%
Glucose 8% Lysine 6.5%
White granulated sugar 3% Arginine 0.5%
Complex enzyme preparation 0.6% Probiotics 0.3%
Multiple trace elements 2% Zeolite powder 0.5%
The above components are fully mixed by an automatic single-blade mixer for 5min, and the variation coefficient is less than 5%.
Example 3 premix: 27.0% of crude protein, not less than 4.0% of calcium, not less than 1.5% of total phosphorus and not less than 2.5% of salt.
Comparative example 1
The difference from the embodiment 1 is that: the formula design in comparative example 1 is a premix formula based on the pig metabolic energy model, i.e. the amount of fish meal is reduced and the amount of peeled soybean meal is increased, and the crude protein content of the obtained premix is higher than that of example 1.
A premixed feed for piglets comprises the following components in parts by weight:
the above components are fully mixed by an automatic single-blade mixer for 5min, and the variation coefficient is less than 5%.
Comparative example 1 premix: 29.0 percent of crude protein, not less than 4.0 percent of calcium, not less than 1.5 percent of total phosphorus and not less than 2.5 percent of salt.
Comparative example 2
The difference from example 1 and comparative example 1 is that: the formula design in comparative example 2 is a premix formula based on pig digestion energy model, i.e. the amount of fish meal is reduced, the amount of dehulled soybean meal is further increased, and the proportion of amino acids is unbalanced, and the crude protein content of the obtained premix is higher than that of example 1.
A premixed feed for piglets comprises the following components in parts by weight:
raw materials Weight percent of Raw materials Weight percent of
Fish meal 8% Calcium dihydrogen phosphate 10%
Puffed soybean 20% Stone powder 8%
Compound grease 4% Multi-dimensional 0.5%
Salt 4% Methionine 0.5%
Choline chloride 1% Threonine 2%
Peeled soybean meal 22% Tryptophan 3.5%
Glucose 7% Lysine 0.5%
White granulated sugar 4% Arginine 0.5%
Complex enzyme preparation 1% Probiotics 0.5%
Multiple trace elements 2.5% Zeolite powder 0.5%
The above components are fully mixed by an automatic single-blade mixer for 5min, and the variation coefficient is less than 5%.
Comparative example 2 premix: 30.0 percent of crude protein, not less than 4.0 percent of calcium, not less than 1.5 percent of total phosphorus and not less than 2.5 percent of salt.
Test examples
In order to verify the quick growth effect of the piglet feed, the piglet feed is tested in a large pig farm in Hubei province.
The test method comprises the following steps: a single-factor random test is adopted, 300 weaned piglets with good growth conditions and 25 days of age are pre-selected, the weaned piglets are randomly divided into 3 groups, the number of the 3 groups is respectively numbered as a test group 1, a test group 2 and a test group 3, each group has 100 piglets, each group has 5 repetitions, each repetition has 20 repetitions, the initial weight of the piglets is 20-25kg, and the number of test days is 30 days.
Test group 1 ingested the complete feed prepared from the premix for the fast growing piglets obtained in example 1, the complete feed being prepared in parts by weight: 70 parts of corn, 20 parts of bean pulp, 1 part of bran, 1 part of compound grease and 8 parts of premix.
The test group 2 eats the complete feed prepared by the piglet premix based on the pig metabolic energy mode obtained in the comparative example 1, and the weight parts of the complete feed are the same as those of the test group 1.
And a test group 3 eats the complete feed prepared by the piglet premix based on the pig digestion energy mode obtained in the comparative example 2, and the weight parts of the complete feed are the same as those of the test group 1.
The results of the experimental alignment are shown in the following table:
the results show that the average daily gain of the test group 1 is higher than that of the test group 2 and the test group 3, and the feed-meat ratio of the test group 1 is lower than that of the test group 2 and the test group 3, which indicates that the premix formula in the net energy mode is better than the feed formula based on the metabolic energy and digestive energy modes. The proportion of amino acid in the test group 3 is not designed to be balanced, and when the feed intake is at the same level as that in the test group 1, the feed-meat ratio is obviously higher than that in the test group 1. The formula is designed by utilizing the net energy mode, so that the effect of enabling the piglets to grow quickly can be achieved, the cost can be saved, the breeding benefit is improved, and the ration with balanced amino acid is obviously better in digestion and absorption and faster in growth than the unbalanced ration.

Claims (10)

1. A late-stage premixed feed for fast-growing piglets is characterized in that: the late-stage premixed feed for the fast-growing piglets is an 8% premix for the pigs under a net energy system, and comprises the following raw materials in percentage by weight:
wherein the amino acid balance ratio in the formula is as follows: lysine, methionine, tryptophan, threonine, arginine 100: 9: 5: 50: 6.
2. The late-stage premix feed for fast-growing piglets according to claim 1, which is characterized in that: the fish meal is imported super steam dried fish meal, and the volatile basic nitrogen is less than 90mg/100 g; the puffed soybean is puffed soybean powder with obviously reduced soybean anti-nutritional factors after crushing and high-temperature puffing treatment; the urease activity of the peeled soybean meal is not more than 0.1 mg/(min-g), and the crushing granularity is not more than 1.0 mm.
3. The late-stage premix feed for fast-growing piglets according to claim 1, which is characterized in that: the compound grease is prepared by mixing soybean oil and coconut oil according to the proportion of 1: 1.
4. The late-stage premix feed for fast-growing piglets according to claim 1, which is characterized in that: the compound enzyme preparation is a mixed enzyme preparation comprising phytase, amylase and cellulase, and the enzyme activity units are respectively as follows: 2000U/g, 1.5X 105U/g and 2X 104U/g。
5. The late-stage premix feed for fast-growing piglets according to claim 1, which is characterized in that: the components of various trace elements and the addition amount in each 1000g of premix are as follows: 6500mg of zinc methionine 6000-, 50-100mg of selenium yeast, 6500mg of ferrous fumarate, 11000 mg of copper methionine, 1600mg of manganese sulfate monohydrate, 875mg of cobalt chloride hexahydrate and 750mg of calcium iodate.
6. The late-stage premix feed for fast-growing piglets according to claim 1, which is characterized in that: the multidimensional components are as follows: vitamin A: 2.4X 107-3×107IU/kg, vitamin D3: 7.0X 106-7.2×106IU/kg, vitamin E: 1.0X 105-1.5×105IU/kg, vitamin K3: 9-9.5g/kg, vitamin C: 1.3-1.5g/kg, vitamin B1: 8.5-9.0g/kg, vitamin B2: 25-26g/kg, vitamin B6: 13.5-14g/kg, vitamin B12: 0.10-0.11g/kg, biotin: 0.55-1.1g/kg, folic acid: 4.0-4.5g/kg, D-pantothenic acid: 60-65g/kg, nicotinamide: 100-120 g/kg.
7. The late-stage premix feed for fast-growing piglets according to claim 1, which is characterized in that: the probiotic is a mixture of yeast and lactobacillus with a bacteria number concentration of 2 × 109CFU/g。
8. The method of feeding a late premix feed for fast-growing piglets according to any of claims 1 to 7, characterized in that: comprises the following components in parts by weight: 67-70 parts of corn, 18-21 parts of bean pulp, 0-3 parts of bran, 0.5-1 part of compound grease and 8 parts of premix, wherein the crushed corn, the bean pulp, the bran and the compound grease are uniformly mixed with the premix according to the proportion to prepare powdery piglet compound feed, and the powdery piglet compound feed is fed by an automatic feeder or a manual feeder and is freely fed and provides sufficient clean drinking water.
9. The feeding method of the late-stage premixed feed for the fast-growing piglets according to claim 8, characterized in that: the corn crushing particle size is 1.5mm, the soybean meal crushing particle size is 1.5mm, and the composite oil is formed by mixing soybean oil and coconut oil according to the proportion of 1: 1.
10. The feeding method of the late-stage premixed feed for the fast-growing piglets according to claim 9, characterized in that: the prepared piglet compound feed is suitable for feeding piglets with the feeding period of 20-50 kg.
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