the effects of lactobacillus plantarum on chemical composition, rumen degradability, in vitro gas production and energy content of whole-plant corn ensiled at different stages of maturity

Authors

r. haghparvar

k. shojaian

e. rowghani

s. parsaei

m. yousef ellahi

abstract

this study was carried out to determine the effects of lactobacillus plantarum on chemical compositionand nutritive value of whole-plant corn (wpc) ensiled at different stages of maturity. based on local routinepractice, wpc was harvested at three stages of maturity as follows: (1) two weeks before routine harvestingtime; (2), one week before routine harvesting time and (3), routine harvesting time. bacterial inoculant(ecosyl) was used as homofermentive lactic acid bacteria. the inoculant was applied at the recommendedlevel of 1 × 105 cfu/g of fresh forage which was ensiled for 25 days in plastic polyethylene bags. threeuntreated silages were prepared for each harvesting time and considered as controls (c). at the end of theensiling period, all silages were subjected to chemical analysis, dm degradability and in vitro gasproduction. all silages underwent good fermentation and ph values decreased to below 4. wpc ensiled oneweek before routine harvesting time and treated with bacterial inoculant, had the lowest ph, adf (pcontent and the highest cp content, total gas production, ivomd, domd (p“a” (pbacterial inoculant (lactobacillus plantarum) at the recommended level to wpc harvested at one week before routine harvesting time was more effective in enhancing chemical composition and nutritive value of silages, and provide a well-preserved and high nutritive value feedstuff for ruminants.

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Journal title:
iranian journal of veterinary research

Publisher: shiraz university

ISSN 1728-1997

volume 13

issue 1 2012

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