CN105613997B - Compound feed and application thereof - Google Patents
Compound feed and application thereof Download PDFInfo
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- CN105613997B CN105613997B CN201410608666.5A CN201410608666A CN105613997B CN 105613997 B CN105613997 B CN 105613997B CN 201410608666 A CN201410608666 A CN 201410608666A CN 105613997 B CN105613997 B CN 105613997B
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Abstract
The invention relates to the technical field of feeds, in particular to a compound feed and application thereof. The compound feed consists of basic daily ration and nucleotide; the mass ratio of the nucleotide to the basic ration is 0.5-1.9: 1000. Compared with a control group, the compound feed prepared in example 3 (the addition amount of the nucleotide is 2g/kg) improves the average daily gain of piglets by 20g, the average daily feed intake is not obviously changed, and the feed conversion ratio is reduced by 4.1%. The feed conversion ratio of the compound feed (the addition amount of nucleotide is 0.5g/kg) prepared in example 2 is 1.37, which is 6.1% lower than that of the control group. The average daily gain, the average daily feed intake and the feed conversion ratio of the piglets are comprehensively changed, so that the addition of the nucleotide in the daily ration can improve the feed conversion efficiency and increase the average daily gain of the piglets compared with a control group.
Description
Technical Field
The invention relates to the technical field of feeds, in particular to a compound feed and application thereof.
Background
After the piglets are weaned, the piglets face larger weaning stress which is manifested by poor appetite, dyspepsia, cripple resistance decline, diarrhea and edema, and are always troubled for pig production, and the growth and development of the pigs are seriously influenced. Aiming at the problems, therapeutic antibiotics are widely applied to veterinary clinic, and the dosage of the therapeutic antibiotics is increased more and more, so that intestinal flora disturbance of piglets is caused, bacterial drug resistance is easy to generate, and the later-stage daily gain of the piglets is seriously affected, and growth stagnation is caused. Therefore, it is imperative to seek new feed additives to improve the immunity of piglets, resist various stresses of the external environment, promote the growth of piglets and improve the feed conversion efficiency.
Nucleotides have important roles in promoting and enhancing immunity, maintaining intestinal health, maintaining liver kinetic energy and preserving energy, and the amount of nucleotides required for animals increases during a rapid growth period, during a period of stress, and during immunosuppression, while the amount of nucleotides in the diet is low. Weaned piglets experience all these factors as immune challenge, stress, hunger and fast growth, and therefore piglets can be expected to have a higher nucleotide requirement for a period of time just after weaning. Since nucleotide synthesis is a process that requires both energy and glutamine, and weaning pigs tend to lack both energy and glutamine, the piglets at this time are likely to be unable to synthesize sufficient amounts of nucleotides. Therefore, the nucleotide-containing compound feed for promoting the growth of the piglets has important significance.
Disclosure of Invention
In view of the above, the present invention provides a compound feed and its use. The compound feed can obtain better feed conversion ratio and piglet daily gain.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a compound feed, which consists of basic ration and nucleotide; the mass ratio of the nucleotide to the basic ration is 0.5-1.9: 1000.
In some embodiments of the invention, the mass ratio of the nucleotide to the basal diet is 0.5-1.8: 1000.
In some embodiments of the invention, the mass ratio of the nucleotide to the basal diet is 0.8-1.8: 1000.
In some embodiments of the invention, the mass ratio of the nucleotide to the basal diet is 1.0-1.8: 1000.
In some embodiments of the invention, the mass ratio of the nucleotide to the basal diet is 1.0-1.6: 1000. Preferably, the mass ratio of the nucleotide to the basal diet is 1.0:1000 or 1.6: 1000.
In some embodiments of the invention, the basal ration comprises an energy feed and a protein feed.
In some embodiments of the invention, the basal ration comprises a mixture of one or more of corn, wheat, fermented soybean meal, whey powder, fish meal, soybean oil, smart feed, and piglet premix.
In some embodiments of the invention, the basic ration comprises, by mass, 48-55% of corn, 7-9% of wheat, 9-12% of fermented soybean meal, 4-6% of soybean meal with a protein content of 46%, 10-12% of whey powder, 2-4% of fish meal, 2-4% of soybean oil, 3-5% of smart feed powder and 5% of piglet premix.
In some embodiments of the invention, the basic ration comprises, by mass, 53% of corn, 8% of wheat, 10% of fermented soybean meal, 5% of soybean meal with a protein content of 46%, 10% of whey powder, 2% of fish meal, 3% of soybean oil, 4% of smart feed powder, and 5% of piglet premix.
The invention also provides application of the compound feed in promoting growth of piglets.
The invention provides a compound feed and application thereof. Tests show that compared with a control group, the compound feed (the addition of the nucleotide is 1.8g/kg) prepared in example 3 improves the average daily gain of piglets by 20g, the average daily feed intake is not obviously changed, and the feed conversion ratio is reduced by 4.1%. The feed conversion ratio of the compound feed (the addition amount of nucleotide is 0.5g/kg) prepared in example 2 is 1.37, which is 6.1% lower than that of the control group. The average daily gain, the average daily feed intake and the feed conversion ratio of the piglets are comprehensively changed, so that the addition of the nucleotide in the daily ration can improve the feed conversion efficiency and increase the average daily gain of the piglets compared with a control group. According to the data, the nucleotide is added into the piglet daily ration, and in order to obtain an excellent feed-meat ratio, the addition level ratio is recommended to be 0.5 g/kg; in order to obtain better daily gain of piglets, the addition level of 1.8g/kg is recommended.
Detailed Description
The invention discloses a compound feed and application thereof, and a person skilled in the art can realize the compound feed by properly improving process parameters by referring to the content. It is expressly intended that all such similar substitutes and modifications which would be obvious to one skilled in the art are deemed to be included in the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.
The compound feed and the raw materials and preparations used in the compound feed can be purchased from the market. The nucleotide of the invention is purchased from Jiangsu Yixing celestite feed limited company.
The invention is further illustrated by the following examples:
example 1 preparation of a Compound feed
The basic ration comprises the following components: 53% of corn, 8% of wheat, 10% of fermented soybean meal, 5% of soybean meal (46%), 10% of whey powder, 2% of fish meal, 3% of soybean oil, 4% of chocolate feed powder and 5% of piglet premix.
The nucleotide addition was 1.6g/kg basal diet.
Example 2 preparation of a Compound feed
The basic ration comprises the following components: 48% of corn, 9% of wheat, 9% of fermented soybean meal, 6% of soybean meal with the protein content of 46%, 11% of whey powder, 4% of fish meal, 3% of soybean oil, 5% of smart feed powder and 5% of piglet premix.
The nucleotide addition was 0.5g/kg basal diet.
Example 3 preparation of a Compound feed
The basic ration comprises the following components: 55% of corn, 7% of wheat, 11% of fermented soybean meal, 4% of soybean meal with the protein content of 46%, 10% of whey powder, 3% of fish meal, 2% of soybean oil, 3% of smart feed powder and 5% of piglet premix.
The nucleotide addition was 1.8g/kg basal diet.
Example 4 preparation of a Compound feed
The basic ration comprises the following components: 48% of corn, 8% of wheat, 12% of fermented soybean meal, 5% of soybean meal with the protein content of 46%, 12% of whey powder, 2% of fish meal, 4% of soybean oil, 4% of smart feed powder and 5% of piglet premix.
The nucleotide addition was 1.0g/kg basal diet.
Example 5 verification of the Effect of adding nucleotide to Compound feed for piglets
1 materials and methods
1.1 design of the experiment
144 healthy 21-day-old weaned piglets with consistent gestation times, same slaughter age and day age and similar weight are selected and fed by granular feed, and are fed freely and drunk freely. The test is started and ended, and the test pigs are weighed on an empty stomach in the morning, fed with granular feed 2 times daily, and freely drunk, and the appetite, mental status, excrement and other conditions of the test pigs are observed and recorded every day. The piglets tested were randomly divided into 4 groups (the ratio of nucleotide addition in the ration was 0g/kg, 0.5g/kg (example 2), 1g/kg (example 4) and 1.8g/kg (example 3), respectively, and were designated as test CK and H1、H2、H3) Each group is provided with 3 repetitions, each repetition is 1 column, feeding is carried out for 21d, and feeding system, management mode, immunization program and the like of each group are normally executed according to the running system of a pig farm except that the composition of daily ration is different. Wherein the basic ration comprises the following components: 53% of corn, 8% of wheat, 10% of fermented soybean meal, 5% of soybean meal (protein content is 46%), 10% of whey powder, 2% of fish meal, 3% of soybean oil, 4% of smart feed powder and 5% of piglet premix.
1.2 measurement of index
The weight of piglets was measured in duplicate at the beginning and end of the experiment. Feed consumption was recorded in replicates to measure average daily feed intake, average daily gain and F/G.
Average Daily Feed Intake (ADFI) — total feed consumption/days/number of test heads
Average Daily Gain (ADG) ═ weight at end of test-initial weight at end of test)/days/head of test
Feed-meat ratio (F/G) ═ average daily intake/average daily gain
1.3 data processing
Data were analyzed for one-way anova using SPSS16.0 software and multiple comparisons were performed using the Duncan method. The results of the assay are expressed as "mean ± standard deviation".
2 results and analysis
Adding nucleotide pairThe average daily gain, average daily feed intake and feed conversion ratio of pigs are shown in Table 1. it can be seen from Table 1 that H is higher than CK in the group3The average daily gain of piglets of the group (the addition amount of nucleotide is 1.8g/kg) is improved by 20g, the average daily feed intake is not obviously changed, and the feed conversion ratio is reduced by 4.1%. H1The feed-meat ratio of the group (the addition amount of nucleotide is 0.5g/kg) is 1.37, which is 6.1% lower than that of the control group. The average daily gain, the average daily feed intake and the feed conversion ratio of the piglets are comprehensively changed, so that the addition of the nucleotide in the daily ration can improve the feed conversion efficiency and increase the average daily gain of the piglets compared with a control group.
TABLE 1 influence of nucleotide addition on average daily gain, average daily feed intake and feed-meat ratio of piglets
3 conclusion
Adding nucleotide into piglet daily feed, and in order to obtain a better feed-meat ratio, the addition level ratio is recommended to be 0.5 g/kg; in order to obtain better daily gain of piglets, the addition level of 1.8g/kg is recommended.
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 decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A compound feed, which is characterized by consisting of basic ration and nucleotide; the mass ratio of the nucleotide to the basic ration is 0.5:1000 or 1.8: 1000;
the basic ration comprises, by mass, 48-55% of corn, 7-9% of wheat, 9-12% of fermented soybean meal, 4-6% of soybean meal with a protein content of 46%, 10-12% of whey powder, 2-4% of fish meal, 2-4% of soybean oil, 3-5% of smart feed powder and 5% of piglet premix.
2. The compound feed according to claim 1, wherein the basic ration comprises 53% of corn, 8% of wheat, 10% of fermented soybean meal, 5% of soybean meal with a protein content of 46%, 10% of whey powder, 2% of fish meal, 3% of soybean oil, 4% of chocolate feed powder and 5% of piglet premix by mass percentage.
3. Use of the compound feed according to claim 1 or 2 for promoting the growth of piglets.
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| 核苷酸;周世业;《中国优秀硕士学位论文全文数据库 农业科技辑》;20081115;第20-21页 * |
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Effective date of registration: 20200927 Address after: 102209, Beijing, Beiqijia, Changping District Town, the future of science and technology south district road four Patentee after: COFCO NUTRITION AND HEALTH RESEARCH INSTITUTE Co.,Ltd. Patentee after: COFCO Ltd. Patentee after: COFCO feed (Tangshan) Co., Ltd Address before: 102209 Changping District Beiqijia Town, Beijing City, the future of science and technology south district four road COFCO nutrition and Health Research Institute Co., Ltd. Patentee before: COFCO NUTRITION AND HEALTH RESEARCH INSTITUTE Co.,Ltd. Patentee before: COFCO Ltd. |
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