Effects of Condensed Molasses Fermentation Solubles on Production Performance, Rumen Fermentation and Serum Indexes of Dairy Cows

MAO Jiang, YAO Kun, SHI Renhuang, DU Yun, WANG Yajing, CUI Yonghan, LI Shengli, YU Xiong

doi:10.3969/j.issn.1006-267x.2015.10.027

2015 , Vol. 27 >Issue 10: 3198 - 3206

DOI: https://doi.org/10.3969/j.issn.1006-267x.2015.10.027

Feed Resources Development

Effects of Condensed Molasses Fermentation Solubles on Production Performance, Rumen Fermentation and Serum Indexes of Dairy Cows

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1. College of Animal Science, Xinjiang Agricultural University, Urumchi 830052, China;
2. State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;
3. College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;
4. Yantai Xiduomi Commercial and Trading Limited Company, Yantai 264000, China

Received date: 2015-04-16

Online published: 2015-10-15

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Abstract

This experiment was conducted to study the effects of including condensed molasses fermentation solubles (CMS) to replace part of soybean meal in diets on production performance, nutrient apparent digestibility, rumen fermentation and serum indexes of dairy cows.A total of 45 Holstein cows in mid-lactation period were randomly allocated to 3 groups with 15 cows per group based on age, body weight, parity, days in milk, milk somatic count and milk yield.Cows in control group were fed a basal diet, and in diets for cows in the other two groups, 0.75% and 1.50% CMS (as-fed basis) were included to replace part of soybean meal in the basal diet, respectively.All the three diets were mainly isoenergetic and isonitrogenous.The experiment last for 10 weeks with the first 2 weeks for adaptation.The results showed as follows: compared with control group, 1) replacement of soybean meal with 1.50% CMS could increase dry matter intake, milk yield, milk protein percentage and the apparent digestibility of crude protein significantly (P<0.05); 2) replacement of soybean meal with 0.75% CMS could decrease milk somatic cell count significantly (P<0.05); 3) net profits per cow were 0.62 or 3.72 yuan in the replacement of soybean meal with 0.75% and 1.50% of CMS, respectively; 4) there were no significant effects of partial replacement of CMS for soybean meal on rumen fermentation of dairy cows (P>0.05); 5) there were no significant effects of partial replacement of CMS for soybean meal on serum indexes of dairy cows (P>0.05).In conclusion, it can improve production performance and crude protein apparent digestibility to use 1.50% CMS replacing part of soybean meal in diets for dairy cows.

Key words： CMS; dairy cows; production performance; rumen fermentation; serum indexes

Cite this article

MAO Jiang, YAO Kun, SHI Renhuang, DU Yun, WANG Yajing, CUI Yonghan, LI Shengli, YU Xiong . Effects of Condensed Molasses Fermentation Solubles on Production Performance, Rumen Fermentation and Serum Indexes of Dairy Cows[J]. Chinese Journal of Animal Nutrition, 2015 , 27(10) : 3198 -3206 . DOI: 10.3969/j.issn.1006-267x.2015.10.027

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