Quality evaluation of pearl millet silages using Saccharomyces cerevisiae as silage additive

S SAIJPAUL; J S LAMBA; R S GREWAL; CHANDRAHAS CHANDRAHAS

doi:10.56093/ijans.v85i12.54394

Authors

S SAIJPAUL Senior Nutritionist, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab 141 004 India
J S LAMBA Nutritionist, Department of Animal Nutrition, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab 141 004 India
R S GREWAL Nutritionist, Department of Animal Nutrition, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab 141 004 India
CHANDRAHAS CHANDRAHAS Senior Scientist (LPM) , Division of Avian Genetics and Breeding, Central Avian Research Institute, Izatnagar

https://doi.org/10.56093/ijans.v85i12.54394

Keywords:

Digestibility, Pearl millet-sorghum, Pearl millet-cowpea, Saccharomyces cerevisiae, Silage quality

Abstract

The present study was conducted to ascertain the quality of pearl millet-sorghum and pearl millet-cowpea fodders (PM-S and PM-C) with their respective silages made with or without S. cerevisiae as silage inoculant in polybags. On opening the bags after 45 days all the silages were free from moulds and had comparable pH. The WSC was highest in fodders and reduced significantly after ensiling. Use of inoculant improved the CP in PM-C silage and increased the tdCPf, TDN1X, DE and ME of both mixed fodder silages. The NDFIN, ADFIN and ADFIN as percentage of total N were reduced in the S. cerevisiae inoculated silages. The NH3-N was higher in PM-S silage inoculated with S. cerevisiae but the pH and NH3-N as percentage of total N remained within the acceptable limits reflecting no adverse effect of the inoculant. Use of S. cerevisiae in PM-S and PM-C during ensiling reduced the plant protein breakdown and fiber bound nitrogen, increased the truly digestible protein and energy availability and improved aerobic stability through better buffering capacity and acetic acid content. It was concluded that Saccharomyces cerevisiae as inoculant during ensiling of pearl millet-sorghum and pearl millet-cowpea improved the fermentative process of the silages prepared in polybags.

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