Abstract
The present experiment was conducted to study the effects of different levels of oligosaccharide(FOS) and complex CPP preparation(CPP) in diets on growth performance and serum biochemical parameters for weaned piglets. 240 crossbred DLY( Duroc× Landrace× Yorkshire) 21-day-old weaning piglets, about 7.2 kg in initial body weight were selected and randomly divided into 6 groups, with 2 repeats for each group, 20 each repeat(half male and half female.). Group 1, as the control group, was fed base diet(BD), group 2 was fed BD adding 0.10% aureomycin, group 3, 4, 5, 6, respectively, was fed BD adding 0.05% CPP, 0.05% FOS, 0.20% FOS and 0.10% FOS + 0.05% of CPP. Feeding trial was conducted for 35 days. Results: (1) The combination of 0.10%FOS and 0.05%CPP(group 6) were added, the average daily gain of weaned pigs increased by 13.71 % (P < 0.05) and the feed conversion ratio was reduced by 7.41 % (P < 0.05) compared with control. The diarrhea rate of piglets decreased by 94.63 % (P < 0.01) compared with the control (p < 0.05), and decreased by 62.86 % (P <0.05) compared with group 2.(2)There was no significant difference in the apparent digestibility of nutrient, such as ether extract and crude protein, by adding FOS and CPP individually or jointly in diet of weaned piglets, but apparent digestibility of crude fiber increased , to acertain extent, and there was no significant difference with diet adding 0.10 % of antibiotics (group 2)(P >0.05).(3) There was no significant difference in serum biochemical indexes, such as serum total protein, albumin, urea nitrogen, cholesterol, triglycerides, alanine aminotransferase, aspartate aminotransferase and sugar by adding FOS and CPP individually or jointly in diet of weaned piglets (P > 0.05);there was no significant effect in serum immunoglobulin IgG and IgM (P> 0.05), but the serum IgE content was increased in different degrees. Conclusion: Adding FOS and CPP in diet for weaned piglets can improve the growth performance, reduce diarrhea rate of piglets, and promote digestion and absorption of feed nutrients, without significant difference between them and diet adding antibiotics. Among them, the effect of adding 0.10%FOS+0.05%CPP was the best.
Highlights
Feeding antibiotics have always been one of the main measures to prevent diarrhea in weaned piglets and promote the growth of animals. but the abuse of antibiotics has caused secondary infections in the intestinal tract of animals, the generation of drug-resistant bacteria, drug residues in products,and threats to the ecological environment and food safety. In this experiment, according to the principle of intestinal microecological balance in piglets, the effects of dietary supplementation of Fructooligosaccharide and compound probiotics on growth performance, serum biochemical indices and health status of weaned piglets were studied. It was explored the feasibility of its substitution for antibiotics, and was provided scientific basis for the rational application of new compound microecological agents instead of feeding antibiotics in animal health culture
There was no significant difference in daily gain between the three groups, four groups, five groups and six groups (P > 0.05)
There was no significant difference between the other groups and the control group and the antibiotic group (P > 0.05)
Summary
Feeding antibiotics have always been one of the main measures to prevent diarrhea in weaned piglets and promote the growth of animals. but the abuse of antibiotics has caused secondary infections in the intestinal tract of animals, the generation of drug-resistant bacteria, drug residues in products ,and threats to the ecological environment and food safety. Feeding antibiotics have always been one of the main measures to prevent diarrhea in weaned piglets and promote the growth of animals. But the abuse of antibiotics has caused secondary infections in the intestinal tract of animals, the generation of drug-resistant bacteria, drug residues in products ,and threats to the ecological environment and food safety In this experiment, according to the principle of intestinal microecological balance in piglets, the effects of dietary supplementation of Fructooligosaccharide and compound probiotics on growth performance, serum biochemical indices and health status of weaned piglets were studied. It was explored the feasibility of its substitution for antibiotics, and was provided scientific basis for the rational application of new compound microecological agents instead of feeding antibiotics in animal health culture
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