The effect of lactate producing and utilizing bacteria and Saccharomyces cerevisiae on anaerobic biofermentation and digestibility in Arabi sheep

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DIREKVANDI E.; MOHAMMADABADI T.; Z.M. Salem A.

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Journal: JOURNAL OF RUMINANT RESEARCH Year:2020 | Volume:7 | Issue:4 Page(s): 111-129

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Title

The effect of lactate producing and utilizing bacteria and Saccharomyces cerevisiae on anaerobic biofermentation and digestibility in Arabi sheep

Author(s)

DIREKVANDI E. | MOHAMMADABADI T. | Z.M. Salem A. | Issue Writer Certificate

Keywords

DigestibilityQ1

Fermentation parameterQ1

Gas production parameterQ1

Microbial additivesQ1

Abstract

Background and objectives: Acidosis is a nutritional disorder that is often caused by intake of the high amount of fermentable carbohydrate and an inadequate amount of fiber to induce buffering in the rumen. Hence, a strategy such as the use of Microbial additives to prevent acidosis has been suggested. So, this study performed to investigate the effect of using three microbial feed additives (lactate producing and utilizing bacteria and Saccharomyces cerevisiae) in high-concentrate diet on in vitro anaerobic fermentation and Digestibility in sheep. Our hypothesis was that the combination of Microbial additives compared with individual use and without additives will have a positive effect on in vitro Gas production parameters and Digestibility in sheep. Materials and methods: For investigating the effect of Microbial additives on the in vitro gas production (GP) parameter, ruminal fermentation and Digestibility, eight treatments were studied based on as factorial experiment based on a completely randomized design; (1) control (basal diet (70% concentrate and 30% forage) without additive; (CON); (2) basal diet + Megasphaera elsdenii (Me); (3) basal diet + Saccharomyces cerevisiae (SC); (4) basal diet + Lactobacillus fermentum and Lactobacillus plantarum (FP); (5) basal diet + Me + SC (MSC); (6) basal diet + Me + FP (MFP); (7) basal diet + SC + FP (SCFP) and (8) basal diet + Me + SC + FP (MSCFP). Gas production techniques and two step digestion were used to evaluate the effectiveness of experimental treatments. Ruminal fluid was collected from three adult male Arabi sheeps that fed a diet based on forage. Results: Results showed that use of microbial feed additive improved GP and the highest amount of GP was observed in treatment MSCFP (P < 0. 05). However, the lowest amount of methane production was observed in MSC (P < 0. 05). Application microbial feed additives lead to improve in vitro Fermentation parameter (OMD and ME) (P < 0. 05). Also, the highest amount of MCP was observed in MSC (P < 0. 05). Digestibility of CP and ADF significantly increased by FP and MSCFP (P < 0. 05). Although, Digestibility of NDF numerically increased for SCFP. The concentration of total VFA and acetate significantly increased by MSCFP and CON. But, the highest concentration of propionate and butyrate were observed in MSC and FP. The use of microbial food additives decreased the ratio of acetate to propionate and also the ratio of acetate + butyrate to propionate (P < 0. 05). The highest concentration of ammonia N was observed in MSCFP and SCFP treatments (P < 0. 05). Conclusion: Given the positive results of the experimental treatments on gas production, reduced methane production and nutrient Digestibility, the use of these Microbial additives may be recommended for testing in high concentrated rations in sheep. Therefore, these FF, SCFP and MSCFP treatments are good candidates for using.

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APA: Copy

DIREKVANDI, E., MOHAMMADABADI, T., & Z.M. Salem, A.. (2020). The effect of lactate producing and utilizing bacteria and Saccharomyces cerevisiae on anaerobic biofermentation and digestibility in Arabi sheep. JOURNAL OF RUMINANT RESEARCH, 7(4 ), 111-129. SID. https://sid.ir/paper/244038/en

Vancouver: Copy

DIREKVANDI E., MOHAMMADABADI T., Z.M. Salem A.. The effect of lactate producing and utilizing bacteria and Saccharomyces cerevisiae on anaerobic biofermentation and digestibility in Arabi sheep. JOURNAL OF RUMINANT RESEARCH[Internet]. 2020;7(4 ):111-129. Available from: https://sid.ir/paper/244038/en

IEEE: Copy

E. DIREKVANDI, T. MOHAMMADABADI, and A. Z.M. Salem, “The effect of lactate producing and utilizing bacteria and Saccharomyces cerevisiae on anaerobic biofermentation and digestibility in Arabi sheep,” JOURNAL OF RUMINANT RESEARCH, vol. 7, no. 4 , pp. 111–129, 2020, [Online]. Available: https://sid.ir/paper/244038/en

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