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Effects of Saccharomyces Cerevisiae Supplementation and Anhydrous Ammonia Treatment of Wheat Straw on In-situ Degradability And, Rumen Fermentation and Growth Performance of Yearling Lambs

Effects of Saccharomyces Cerevisiae Supplementation and Anhydrous Ammonia Treatment of Wheat Straw on In-situ Degradability And, Rumen Fermentation and Growth Performance of Yearling Lambs

Muazzez Cömert, Yılmaz Şayan, Hülya Özelçam, Gülşah Yeğenoğlu Baykal

Asian-Australas J Anim Sci. 2015 May;28(5):639-46.

PMID: 25656177

Abstract:

The effects of Saccharomyces cerevisiae supplementation (6.6×10(8) cfu) and anhydrous ammonia treatment (3%) of wheat straw (WS) were investigated on in-situ dry matter (DM) degradability, and on rumen fermentation and growth performance of lambs. Rumen-fistulated Menemen sheep fed a diet with and without live yeast were used to assess the DM degradability characteristics of WS and ammonia-treated wheat straw (WSNH3). Twenty-six yearling Menemen male lambs were fed in four groups. Lambs of control group (WS) received untreated WS without supplemental yeast, whereas other three groups were fed WS treated with anhydrous ammonia (WSNH3 group), untreated WS and yeast (WS+YEAST group) or WS treated with anhydrous ammonia and yeast (WSNH3+YEAST group). Supplemented live yeast (4 g/d) was added in the diet. Lambs were offered untreated or ammonia treated WS ad-libitum and concentrate was fed at 1% of live body weight. The degradability of the water-insoluble (fraction B) was significantly increased by all of the treatment groups. Potential degradability (A+B), effective DM degradability's (pe2, pe5, and pe8) and average daily weight gain increased only in WSNH3+YEAST group (p<0.05). Voluntary DM intake was not increased by the treatments (p>0.05), but voluntary metabolizable energy and crude protein intake were increased by WSNH3 and by WSNH3+YEAST (p<0.05). Average daily rumen pH was not affected by any of the treatments, but average daily NH3-N was significantly higher in the WSNH3 and WSNH3+YEAST groups, and total volatile fatty acids were significantly higher in the WS+YEAST and WSNH3+YEAST groups. In conclusion, the improvement of feed value of WS was better by the combination of ammonia-treatment and yeast supplementation compared to either treatment alone.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR421100	Ammonia - WS			Price

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