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Articles by S. Duru
Total Records ( 2 ) for S. Duru
  G.N. Akpa , K.A. Koffi , M.R. Hassan , M. Kabir , S. Duru and S.M. Yashim
  The aim of this study was to determine the effects of feed type, sex and plumage condition on tonic immobility and blood parameters in broiler birds. Eighty broiler birds of Anak (2000) breed were raised from day-old to 8 weeks of age. They were randomly divided into 4 groups of 20 birds each. A different type of feed was given to each group from day-old to 8 weeks of age. The birds were raised on deep litter in the first 4 weeks, and later they were raised in battery cages for the remaining 4 weeks. Tonic immobility of the birds was determined between 0 and 600 seconds. Blood parameters were also determined. Results obtained indicated that generally, tonic immobility was averagely good (less than 300 seconds) with birds fed with feed type 4 having the best (shortest) tonic immobility. Also, tonic immobility was influenced by plumage condition. The normal ranges of Packed Cell Volume (PCV), Haemoglobin (Hb) concentration and total plasma protein were used to arrive at the fact that feed type and plumage condition influenced tonic immobility and blood parameters. Males had better (shorter) tonic immobility than females.
  S. Duru and I.I. Dafwang
  Three experiments were conducted concurrently to determine the effect of maxigrain supplementation of isocaloric diets with or without rice offal, the effect of maxigrain supplementation of diets containing rice offal at two levels of energy and the effect of maxigrain supplementation of diets in which the maize content was substituted with rice offal on a weight to weight basis. The experiments were conducted with 210 broilers from 2-5 weeks of age. Results showed that maxigrain supplementation did not have any effect on broiler performance when broilers were fed isocaloric and isonitrogenous diets with or without rice offal. Maxigrain supplementation improved the performance of broilers when added to low energy diets. The improvement in broiler performance was same at 0.1 and 0.2% maxigrain supplementation. The study confirmed earlier recommendations that rice offal can be fed at levels of up to 15% in broiler chick diets without adverse effect on growth performance and concluded that maxigrain enzyme supplementation may be beneficial only when added to diets containing lower than recommended energy and protein levels.
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