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Articles by U.D. Doma
Total Records ( 6 ) for U.D. Doma
  Y. Yunusa , U.D. Doma , D. Zahraddeen , S.B. Abubakar , A. Umar and A. Isah
  An experiment was conducted to evaluate the performance and economics of broiler chickens fed different dietary energy sources. Five diets containing maize, red sorghum, white sorghum, Gero millet and Dauro millet were formulated and coded diets 1, 2, 3, 4 and 5, respectively. Two hundred and ten day old Marshall Breed of broiler chicks were randomly allotted to five dietary treatments in a completely randomized design and each treatment was replicated three times. Feed and water were provided ad libitum and the feeding trial lasted for eight weeks. At the starter phase, daily feed intake (33.05-47.52 g; p<0.05), daily weight gain (9.74-19.43 g; p<0.001) and feed conversion ratio (2.46-3.43; p<0.05) were affected by the dietary treatments. At the finisher phase daily weight gain (27.20-45.80 g) was significantly (p<0.001) influenced while daily feed intake and feed conversion did not differ significantly. The best feed cost in naira per kilogram body gain was obtained on diet 4 (Gero millet) with a value of 181.78 kg-1. It can be concluded that Dauro millet based diet gave the best performance; however, Gero millet base diet seems to be most economical for broiler feeding.
  N.D. Yusuf , D.M. Ogah , D.I. Hassan , M.M. Musa and U.D. Doma
  Two hundred and forty 7 days old Anak 2000 broiler chicks were used to determine the growth rate and economic of broiler fed decorticated fermented Prosopis africana seed meal (DFPSM). Five experimental diets containing 0, 25, 50, 75 and 100% DFPSM replacement levels for full fat soybean meal were fed to broiler for 8 weeks. The experiments were in a completely randomized design (CRD) with five treatments, each replicated four times with 48 birds per treatment and 12 birds per replicate. The average live weight of broiler ranged from 2500-2850g in each dietary group and were significantly (P < 0.05) affected by dietary treatment, similarly the growth rate and feed conversion ratio were also significantly affected by the dietary treatment (P < 0.05) .The study indicate that 20% inclusion of DFPSM with soybean meal could be used in a broiler diet.
  K.E. Akand , M.M. Abubakar , T.A. Adegbola , S.E. Bogoro and U.D. Doma
  This study was carried out to evaluate the proximate and amino acid compositions of samples of raw and roasted pigeon pea seeds. The following range of values were obtained for dry matter (95.89-96.34%), crude protein (21.03-21.07%), crude fat (4.43-5.96%), crude fibre (7.16-7.52%) and ash (3.76-4.02%) respectively for the raw and roasted seeds of pigeon pea. While values for nitrogen free extract ranged from 57.77-59.51% for the roasted and raw pigeon pea seeds respectively. Results from the amino acid analysis revealed that some amino acids like arginine, aspartic acid, threonine, serine, glutamic acid, glycine, alanine, leucine and tyrosine had their concentration in the seeds increased with heat processing, while other amino acids were not. On the whole, the concentration of glutamic acid was found to be the highest in the pigeon pea, with a value of 14.21 g/16 gN for the roasted seeds. Lysine showed the highest concentration among the indispensable amino acids (7.79 g/16 gN for the raw seeds and 7.55 g/16 gN for the roasted seeds). Pigeon pea seed was found to be deficient in the sulphur-containing amino acids (cystine and methionine).
  Y. Yunusa , U.D. Doma , D. Zahraddeen , A. Umar and S.B. Abubakar
  The effect of feeding broiler chicken with different dietary energy sources on the carcass yield and gut characteristics was investigated. Five diets containing maize, red sorghum, white sorghum, Gero millet and Dauro millet were formulated and designated as 1, 2, 3, 4 and 5, respectively. Two hundred and ten day old marshal breed of broiler chicks were randomly allotted to five dietary treatments in a completely randomized design and each of the treatment was replicated three times. Feed and water were provided ad libitum and the feeding trial lasted for eight weeks. Most of the carcass and gut parameters did not differ significantly except live weight, kidney weight, plucked weight, eviscerated weight, carcass weight, kidney weight, gizzard weight (p<0.01) and spleen weight (p<0.05) that were affected. This study therefore reveals that using sorghum or millet in place of maize has no adverse effect on the carcass and gut characteristics of broiler chickens.
  K.E. Akande , U.D. Doma , H.O. Agu and H.M. Adamu
  Compounds or substances which act to reduce nutrient intake, digestion, absorption and utilization and may produce other adverse effects are referred to as antinutrients or antinutritional factors. Seeds of legumes and other plant sources contain in their raw state wide varieties of antinutrients which are potentially toxic. The major antinutrients includes: toxic amino acids, saponins, cyanogenic glycosides, tannins, phytic acid, gossypol, oxalates, goitrogens, lectins (phytohaemagglutinins), protease inhibitors, chlorogenic acid and amylase inhibitors. These antinutrients pose a major constraint in the use of plant protein sources in livestock feeds without adequate and effective processing. The level or concentration of these anitnutrients in plant protein sources vary with the species of plant, cultivar and post-harvest treatments (processing methods). This paper reviews the nutritional effect of major antinutrients present in plant protein sources.
  A. Maidala , U.D. Doma and L.M. Egbo
  An experiment was conducted to assess four different processing methods which include raw, sprouting, salt treating, cooking and roasting on proximate composition and antinutritional factors of differently processed soybean. Results showed that there was an increase in crude protein (40.13-56.66%), crude fibre (15.26-22.34%) and crude fat (12.27-18.94%) of differently processed soybean. There was a decrease in Nitrogen free extract (0.01-21.88%), calcium (0.33-0.43%) and phosphorus (0.12-0.18%) of differently processed soybean. Results of antinutritional factor revealed a decrease in trypsin inhibitor (3.51-24.54 mg/100 g), oxalate (15.00-25.00 mg/100 g), phytic acid (29.70-45.10 mg/100 g) and tannins (4.57-8.07 mg/100 g) of differently processed soybean. All the local processing methods were effective in enhancing proximate composition and reducing antinutritional factors.
 
 
 
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