Effects of Microbial Fermented Compound Protein Stuffs on Pig Growth Performance and Nutrient Digestibility

CHENG Wei; WANG Guoqiang; CHANG Juan; DANG Xiaowei; YIN Qingqiang

doi:10.3969/j.issn.1006-267x.2014.05.019

Chinese Journal of Animal Nutrition >

2014 , Vol. 26 >Issue 5: 1279 - 1286

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.05.019

Feed Science and Technology

Effects of Microbial Fermented Compound Protein Stuffs on Pig Growth Performance and Nutrient Digestibility

CHENG Wei ,
WANG Guoqiang ,
CHANG Juan ,
DANG Xiaowei ,
YIN Qingqiang

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1. Henan College of Animal Husbandry and Economics, Zhengzhou 450011, China;
2. Nanyang Agricultural School, Nanyang 473006, China;
3. College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China;
4. Henan Delin Biological Product Co., Ltd., Xinxiang 453000, China

Received date: 2013-11-29

Online published: 2014-05-05

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Abstract

In order to determine the effects of fermented compound protein stuffs (FCPS) with microbes on pig growth performance and nutrient digestibility, seventy growing pigs (Duroc×Landrace×Yorkshire) were divided randomly into 7 groups, including the control group, groups 1 to 3 added with FCPS at 6% to 7%, 12% to 14%, 18% to 21% levels, groups 4 added with 12% to 14% unfermented compound protein stuffs, group 5 added with 12% to 14% FCPS with the same digestible energy as the control, and group 6 added with 12% to 14% fermented soybean meal, with 10 replicates per group and 1 pig per replicate. The results showed that average daily gain in group 1 was the same as group 6 (P>0.05), while higher than that in the control and the other groups (P<0.05). Average daily gain and nutrient digestibility in group 2 were higher than those in group 4 (P<0.05). The digestibility of crude protein, crude fat and calcium in group 6 was the highest, and significantly higher than that in the other groups (P<0.05) except that there was no significant difference in calcium digestibility between group 2 and group 6 (P>0.05). The nutrient digestibility in group 4 was the lowest, and significantly lower than that in the other groups (P<0.05). The fecal E. coli counts in group 6 were lower than those in the other groups (P<0.05); however, the fecal Lactobacillus counts in groups 1 and 6 were the same as groups 2 and 5, and higher than those in the other groups (P<0.05). The good economic profit could be obtained by replacing the same amount of soybean meal with 6% to 7% FCPS or 12% to 14% fermented soybean meal. It is concluded that adding 6% to 7% microbial fermented compound protein stuffs in growing pig diets to replace soybean meal can increase average daily gain, apparent nutrient digestibility and economic profits.

Key words： fermented compound protein stuffs; growing pig; growth performance; nutrient digestibility; fecal microflora

Cite this article

CHENG Wei , WANG Guoqiang , CHANG Juan , DANG Xiaowei , YIN Qingqiang . Effects of Microbial Fermented Compound Protein Stuffs on Pig Growth Performance and Nutrient Digestibility[J]. Chinese Journal of Animal Nutrition, 2014 , 26(5) : 1279 -1286 . DOI: 10.3969/j.issn.1006-267x.2014.05.019

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