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Articles by M.R.M. Mousa
Total Records ( 3 ) for M.R.M. Mousa
  M.R.M. Mousa
  This research was conducted to study the effect of different levels of acacia in the feed of weaned Awassi lambs on the digestibility coefficient and nutritive values, growth performance, carcass traits and some blood constituents. Four rations were nutritionally evaluated through four digestion trials with ram lambs. Rations 2 and 3 which gave the highest feeding value were chosen and compared with the control ration in a feeding trial conducted using 18 newly weaned (16 weeks of age) Awassi lambs which were divided into three similar groups of 6 lambs each for 84 days. The main results showed significant differences among rations in the digestibility coefficients for DM, OM, CP, EE, CF and NFE which decreased as acacia consumption increased. Diet 1 and 2 had the highest (p<0.01) TDN value, followed by diet 3 then diet 4. All animals were in positive N balance in the four experimental rations. Feed cost/kg gain was reduced and economic efficiency improved by increasing acacia in sheep rations. Lambs fed 40% acacia recorded the highest values of dressing percentage. Dietary had no significant effects serum constituents of lambs which were all within the normal ranges for healthy lambs. It could be concluded that replacement of acacia up to 40% in growing lambs diet improved growth performance traits, economical efficiency, dressing percentage and decreased feed cost per kg body gain from weaning to marketing weight.
  M.R.M. Mousa
  This study was carried out to evaluate the effect of feeding different levels of fodder beet roots in replacement of Concentrate Feed Mixture (CFM) on the nutritive values, productive performance and economical efficiency of ewes and dairy goats. Four rations were evaluated during the first. The control ration consisted of CFM and rice straw. Three tested rations were formulated so that 35, 50 and 65% of CFM were replaced by fodder beet roots. In the second trial, ration 3 which showed the highest feeding value and had the highest possible replacement without negative effects was compared with the control ration in a feeding trial. Digestibility coefficients of dry matter, organic matter, ether extract and nitrogen free extract were not significantly affected by any level of replacement while the digestibility of crude protein and crude fiber were significantly decreased as the fodder beet roots in diets increased. The same trend was recorded for Digestible Crude Protein (DCP). All animals were in positive N-balance. There were no significant effects on birth weight, weaning weight and daily weight gain of kids or lambs due to feeding their dams on fodder beet. Dairy goats and ewes fed on fodder beet roots produced more milk than the control by about 12.09 and 24.38%, respectively. Therefore, replacement of fodder beet roots up to 50% from CFM in dairy goats and ewes diets improved milk yield, productive performance, economical efficiency, decreased feed cost and can participate in solving the problem of feed stuffs shortage in North Sinai.
  A.Z. Mehrez and M.R.M. Mousa
  Olive pulp has high nutritive value and is available in large quantities in North Sinai. The present research was designed to study the effects of partial replacement of barley grains by olive pulp in the diets of growing rabbits on their performance. Forty eight weaned New Zealand White male rabbits (1160.62±19.7 g body weight) were divided into 4 similar groups. They were assigned to receive four treatments in which olive pulp (without nucleolus) replaced 0, 20, 25 or 30% barley grains. Their effects on nutritive values, growth performance and economical efficiency were studied during 56 days. Carcass traits and blood metabolites were determined by slaughtering 3 rabbits from each group at the end of the growth trial. The digestibility of organic matter, crude protein, crude fiber and nitrogen free extract significantly (p<0.05) decreased with increasing olive pulp level. Nutritive value of the diets in terms of digestible crude protein, total digestible nutrients and nitrogen balance were not significantly affected by olive pulp inclusion. Final body weight and daily weight gain along with carcass traits, carcass weight, dressing percentage, head and liver weights were not significantly (p<0.05) affected by olive pulp inclusion. Serum total protein, albumin, globulin, glucose, cholesterol, urea-N, Glutamic-oxaloacetic Transaminase (GOT) and Glutamic-pyruvic Transaminase (GPT) were insignificantly (p<0.05) affected with olive pulp inclusion. Rabbits fed diets containing olive pulp recorded lower feed costs to produce one kg gain. Accordingly, olive pulp without nucleolus could be used successively and safely in feeding growing rabbits up to 25% without adverse effects on performance and carcass traits.
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