EFFECT OF Saccharamy cescerevisiae SUPPLEMENTATIONWITH DIFFERENT ROUGHAGE: CONCENTRATE  RATIONS  IN MUSCLES WEIGHT AND FAT DEPOSITION FOR AWASSI LAMBS

M.  Khalaf, H.; M. S. Al-Rubeii, A.

	EFFECT OF Saccharamy cescerevisiae SUPPLEMENTATIONWITH DIFFERENT ROUGHAGE: CONCENTRATE RATIONS IN MUSCLES WEIGHT AND FAT DEPOSITION FOR AWASSI LAMBS
IRAQ JOURNAL OF AGRICULTURE
Article 1, Volume 19, Issue 1, 2014, Pages 40-53
Authors
H. M. Khalaf; A. M. S. Al-Rubeii
Abstract
This study was conductedto investigate the effect of supplementationSaccharamycescerevisiae (SC) with different levels roughage concentrate to the Awassi lambs diets on carcass characteristics. Twenty four male Awassi lambs at age 4 – 5 months average29.37 kg live body weight were used. Lambs were distributed randomly into four equal groups (6 lambs for each) and individually housed. Treatment T1 was given a concentrate: roughage 40%:60% with supplement5 gm SC yeast. Treatment T2 was given a concentrate: roughage 60%:40% with supplement5 gm SC yeast. Treatment T3 was given a concentrate: roughage 40%:60% without supplement SC yeast. Treatment T4 was given a concentrate: roughage 60%:40% without supplement SC yeast. The T2 treatment was preveated higher (p <0.01) in intermuscular fat deposition and lower subcutaneous fat, pelvic and kidney and tail fat deposition, an compared with the other treatment. The T3 and T4 treatments were recordedlower in intermuscular fat depositionandhigher subcutaneous fat, pelvic and kidney and tail fat deposition. Conduded from this experiment that supplemented SC to lambs diets have a positive effect on carcass characteristics.

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