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A kind of Lactobacillus acidophilus and its application in feed for weaned piglets

A technology of Lactobacillus acidophilus and microbial strains, applied to Lactobacillus acidophilus and its application in the feed of weaned piglets, can solve problems such as inconvenience

Active Publication Date: 2022-05-13
青岛普罗百世生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In summary, there are obviously inconveniences and defects in the actual use of the existing technology, so it is necessary to improve

Method used

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  • A kind of Lactobacillus acidophilus and its application in feed for weaned piglets
  • A kind of Lactobacillus acidophilus and its application in feed for weaned piglets
  • A kind of Lactobacillus acidophilus and its application in feed for weaned piglets

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] Add the Lactobacillus acidophilus PLBS006 of the present invention in the basal diet of weaned piglets, and the addition amount is 359 mg / kg.

[0079] After the breeding was completed, it was measured that the average daily gain of weaned piglets was 436.55g / d, the average daily feed intake was 621.95g / d, and the feed-to-weight ratio was 1.42; The villi height of the intestine is 414.5 μm, that of the jejunum is 415.7 μm, and that of the ileum is 411.2 μm; the depth of the crypts of the duodenum is 219.5 μm, that of the jejunum is 220.3 μm, and that of the It is 223.7 μm.

Embodiment 2

[0081] Add the Lactobacillus acidophilus PLBS006 of the present invention in the basal diet of weaned piglets, and the addition amount is 473 mg / kg.

[0082] After the breeding was completed, the average daily gain of the weaned piglets was measured to be 437.07g / d, the average daily feed intake was 619.05g / d, and the feed-to-weight ratio was 1.41; The villi height of the intestine is 419.0 μm, the villi height of the jejunum is 413.2 μm, and the villi height of the ileum is 415.7 μm; the crypt depth of the duodenum is 217.8 μm, the crypt depth of the jejunum is 219.4 μm, and the It is 220.4 μm.

Embodiment 3

[0084] Add the Lactobacillus acidophilus PLBS006 of the present invention in the basal diet of weaned piglets, and the addition amount is 552 mg / kg.

[0085] After the breeding was completed, the average daily gain of weaned piglets was measured to be 437.82g / d, the average daily feed intake was 620.02g / d, and the feed-to-weight ratio was 1.41; The villi height of the intestine is 417.6 μm, that of the jejunum is 414.8 μm, and that of the ileum is 413.6 μm; the crypt depth of the duodenum is 220.3 μm, that of the jejunum is 221.3 μm, and that of the ileum is 217.8 μm.

[0086] Since the implementation processes of each embodiment are the same, the specific processes of other embodiments are not listed, and only the above three embodiments with better effects are listed.

[0087] The addition mg / kg of Lactobacillus acidophilus PLBS006 in each embodiment of table 4

[0088]

[0089] Table 5 Production performance of weaned piglets

[0090]

[0091] Table 6 Intestinal mo...

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Abstract

The present invention is applicable to the technical field of microbial breeding, and provides a strain of Lactobacillus acidophilus, which is Lactobacillus acidophilus PLBS006, which was preserved in the General Microorganism Center of China Microorganism Culture Collection Management Committee on December 17, 2018 Preservation, the preservation number is CGMCC NO.16946; the invention also provides the application of Lactobacillus acidophilus in the feed of weaned piglets. Thereby, the Lactobacillus acidophilus PLBS006 of the present invention has better acid resistance, bile salt resistance and bacteriostatic properties, can regulate the intestinal flora of piglets, enhance the digestion and absorption function of nutrients in the feed, and avoid weaning piglets. Weaning stress, diarrhea, growth stagnation, etc., improve the growth performance and economic benefits of weaned piglets.

Description

technical field [0001] The invention relates to the technical field of microbial breeding, in particular to a lactobacillus acidophilus and its application in feed for weaned piglets. Background technique [0002] The widespread and long-term application of antibiotics in animal husbandry can indeed promote animal growth and increase production, but at the same time it can also cause gastrointestinal dysfunction in animals, causing problems such as drug residues, increased drug-resistant bacteria, and endogenous infections. People recognize that antibiotics However, turning to biological control methods to seek green, pollution-free and multifunctional new feed additives is a new path for the development of the feed industry and animal husbandry, and the birth of probiotics has opened up a new situation. [0003] Probiotics can produce a variety of enzymes to help the host digest and absorb, promote the absorption of protein and calcium, etc., and can also synthesize microor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20A23K10/18A23K50/60A23K50/30C12R1/23
CPCC12N1/20A23K10/18A23K50/60A23K50/30C12R2001/23C12N1/205
Inventor 谭竹毅张佳
Owner 青岛普罗百世生物科技有限公司
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