IN VITRO EVALUATION OF DIETS OF BUFFALOES CONTAINING DRIED DISTILLERS GRAINS WITH SOLUBLES AS A SUBSTITUTE FOR SOYBEAN MEAL

R.N. CHANDRIKA¹, JASMINE KAUR²*, J.S. LAMBA³, J.S. HUNDAL⁴, R.S. GREWAL^5
1Department of Animal Nutrition, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, 141004, India
²Department of Animal Nutrition, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, 141004, India
³Department of Animal Nutrition, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, 141004, India
⁴Department of Animal Nutrition, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, 141004, India
⁵Department of Animal Nutrition, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, 141004, India
* Corresponding Author : sachdeva_jasmine@rediffmail.com

Received : 08-03-2019     Accepted : 25-03-2019     Published : 30-03-2019
Volume : 11     Issue : 6       Pages : 8074 - 8077
Int J Agr Sci 11.6 (2019):8074-8077

Keywords : Dried distillers grains with solubles, In vitro digestibility, TMR
Academic Editor : Manjula Thakur
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Department of Animal Nutrition, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, 141004, India
Author Contribution : All author equally contributed

In vitro studies were carried out to investigate the effect of using dried distillers grains with solubles (cereal milling by-product) as a substitute for soybean meal (SBM) in the diet of buffaloes. SBM comprising 6% of the whole diet (total mixed ration; TMR) was substituted by rice dried distillers’ grains with solubles (RDDGS) at five levels (0, 25, 50, 75 and 100%) on N basis. In vitro dry matter disappearance (IVDMD), organic matter disappearance (IVOMD), net gas production (NGP), methane production and fermentation efficiency of TMRs was studied. RDDGS substitution at 25, 50 and 75% significantly increased (P<0.05) IVOMD and IVDMD. The NH3-N decreased (P<0.05) with the increasing level of RDDGS in the TMRs. The relative proportion (%) of acetate declined (P<0.05) and that of propionate increased (P<0.05) with the increasing level of RDDGS in the TMRs and subsequently the A: P ratio declined (P<0.05) with RDDGS inclusion beyond 25% level replacing SBM in the TMR. No significant effect of RDDGS inclusion was observed on methane production. The fermentation efficiency increased (P<0.05) with the increasing level of RDDGS in TMRs. In conclusion, RDDGS could replace up to 75% of the soybean meal in the TMR of buffaloes which is equivalent to 4.5% of the whole dietary DM.

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