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Articles by M.A. Edriss
Total Records ( 5 ) for M.A. Edriss
  M.R. Ebadi , J. Pourreza , J. Jamalian , M.A. Edriss , A.H. Samie and S.A. Mirhadi
  In order to assess and determine amino acids profile and availability in different sorghum grain (SG) varieties, three SG varieties including low tannin (0.09%, LTS), medium tannin (0.19%, MTS), and high tannin (0.37%, HTS) were grown in the same location. The grains were analyzed for their proximate analyses, tannin, and amino acids. True amino acid availability (TAAA) was obtained by caecectomized single comb leghorn cockerels and Sibbald`s method. The results showed that the first and the second limiting amino acids in LTS and MTS were methionine and cystine, respectively. Whereas in HTS, lysine (0.166%) was the first and methionine (0.176%) was the second limiting amino acid. Methionine contents in LTS, MTS, and HTS were 0.114%, 0.182%, and 0.176%, respectively. Although crude protein was lower in HTS (10%) than the other SG, histidine, methionine, and isoleucine were higher for HTS as compared to LTS and MTS. TAAA decreased when tannin content increased and all amino acids had a lower availability in HTS than in LTS and MTS (p<0.05). Methionine in HTS and LTS had the highest availability as had glutamic acid in MTS. The availability of proline was most affected by tannin, which was 91.55% for LTS, 84.82% for MTS, and 22.82% for HTS (p<0.05).
  N. Vali , M.A. Edriss and H.R. Rahmani
  In order to estimate genetic parameters for body weights and carcass yield of 2 strains of quails; 32 pairs of Japanese quail (coturnix Japanese) and 26 pairs of range quail (coturnix ypisilophorus) randomly were selected from the base populations of parents. Produced progenies (650 birds) were used to estimate the genetic parameters of body weights and carcass characteristics traits. Body weights at 35, 42 and 49 days of ages were significantly different, while there was no significant difference for body weights at 63 days of age (p>0.05). Carcass weight, carcass percent, breast weight and thigh percent were significantly affected by strain source of variations (p<0.1). Estimated heritabilities for different traits were from 0.030±0.090 for breast weight of coturnix Japanese to 0.787±0.406 for thigh weight of coturnix ypisilophorus. Genetic correlation among body weights at 35, 42, 49, 63 days of age and among carcass traits (carcass weight, breast weight and thigh weight) were all positive and high, while genetic correlation for breast percent, and carcass percent were low. Genetic correlation of thigh percent with the other considered traits was negative except body weight at 42 days of age, which tended to be low.
  Nasrollah Vali , M.A. Edriss and H. Moshtaghi
  In order to investigate egg weight of two quail strains 2550 eggs of Japanese quail (Coturnix japanese) and 1975 eggs of Range quail (Coturnix ypisilophorus) were weighted individually at three age groups (first group: 60-145, second group: 145-230, and last group: 300-385 days of age). Body weights of two strains were not significantly different (p>0.05). Body weights at 60 days age were significantly different (p< 0.01), but there were not any significant difference between the ages of 145 and 300 days (p>0.05). Egg weight of Japanese quails and Range quails were 11.23±0.03 and 11.17±0.05 respectively which were not significantly different (p>0.05). Effects of the interaction of strain, age and sex for egg weight and body weight were significantly different (p< 0.01). Minimum and maximum egg weight for Japanese quail were 7.08 and 13.84gr respectively, however these records were 7.01 and 13.84gr for Range quail. Individual variation of in two strains for eggs weight were significantly different (p< 0.01).
  N. Vali , M.A. Edriss and H.R. Rahmani
  In order to determine characteristics for hatching of two quail strains 1500 eggs of Japanese quail (Cotunix Japanese) and 1200 eggs of Range quail (Coturnix ypsilophorus) were randomly selected from breeder quails (8-16 weeks of ages). The eggs were incubated in artificial incubation in six hatches. Fertility and hatchability of fertile eggs were 74.5±7.9 and 72.46±10.73, respectively. Egg, shell and chicken weights were 10.68±1.01, 0.82±0.08 and 7.547plusmn;0.84, respectively. Chicken and shell weights were significantly affected by strain (p<0.01), while there was no strain effects for fertility, infertility, egg weights (p>0.05). Hatchability (fertile and total eggs), egg weights, chicken weights, shell weights were significantly different in six hatches, while there were no significant differences for fertility and infertility of eggs.
  A.H. Mahdavi , H.R. Rahmani , J. Pourreza and M.A. Edriss
  The purpose of this study was to investigate the effect of probiotic (0, 400, 1000 and 2000 g Bioplus 2B ton-1 feed providing 0, 1.28 x 106, 3.2 x 106 and 4.6 x 106 cfu g-1 feed concentration) in different levels of barley substitution for corn diets (0, 50 and 100%) on laying hen`s performance, egg quality, blood factors and histological changes in duodenum. Evaluated traits were egg production, egg weight, egg mass, feed consumption, feed conversion ratio, shell thickness, shell hardness, Haugh unit, egg cholesterol, plasma cholesterol, plasma triglyceride and histological changes of duodenum. Using different levels of substitution of barley for corn showed highly significant decrease (p<0.01) in feed consumption and feed conversion ratio, highly significant increase (p<0.01) in goblet cell numbers and epithelium surface folds of villus, significant increase (p<0.05) in egg weight and damaged apical cells of villus, without any effect on other traits. Although, using the different levels of probiotic caused highly significant increase (p<0.01) in goblet cell numbers, significant increase (p<0.05) in feed consumption, feed conversion ratio and destroying apical cells of villus and significant decrease (p<0.05) in plasma cholesterol and triglyceride, but it had no effects on other traits. Consumption of probiotic alone had no effect on egg cholesterol (mg g-1 of yolk), but caused significant decrease (p<0.05) in egg cholesterol (mg g-1 of yolk) among fourth level of probiotic and another levels, in corn based diets. Interaction of different percentages of substitution of barley for corn and probiotic levels had highly significant effect (p<0.01) on feed consumption, feed conversion ratio and egg cholesterol (mg g-1 of yolk) and significant effect (p<0.05) on Hough unit.
 
 
 
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