EFFECT OF DIFFERENT LEVELS OF TREATED ROUGHAGE AND UN-DEGRADED CONCENTRATE ON RUMEN PARAMETERS OF ARABI EWES
2015
Jalal Okaily Yeasar | Murtda F.Al-Hello | Jaffer M. Jassim
The present study was conducted at the Animal Farm/ College of Agriculture/ University of Basrah during the period from 2/12/2012 to 2/3/2013. The study included 24 milking ewes aged around 2-4 years, having single lamb, closely lambing date and weighted 42 kg. After giving the ewes preliminary period of 10 days, they were distributed randomly and equally to six feeding groups. The first group was fed 60% concentrate and 40% roughages; soya bean meal was treated by formaldehyde. The second group was fed 60% concentrate and 40% roughages with untreated soya bean meal. The third group was fed 50% concentrate and 50% roughages with treated soya bean meal. The fourth group was fed 50% concentrate and 50% roughages with untreated soya bean meal. The fifth group was fed 40% concentrate and 60% roughages with treated soya bean meal. The sixth group was fed 40% concentrate and 60% roughages with untreated soya bean meal (control). The ration was given as 4% of live body weight. The concentrate consisted of 40% barley, 20% corn, 30% wheat bran, 7% soya bean meal, 1% salt and 2% Calcium bicarbonate. Roughage was wheat straw treated with 4% urea and 3kg/ton yeast. Treated soya bean meal reduced degradable protein from 70% to 60%. There were no significant differences among feeding groups in pH, total bacteria and cellolytic bacteria before feeding. However, the differences reached significant level (P
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