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Articles by T.Z. Adama
Total Records ( 5 ) for T.Z. Adama
  M.M. Ari , B.A. Ayanwale , T.Z. Adama and E.A. Olatunji
  Chemical composition, amino acid profile, anti nutritional factors (ANFs) and protein quality factors of different thermally (extrusion, cooking, toasting and roasting) processed soybeans (Glycine max) for broiler diets were evaluated in this study. Dry Matter (DM) percentage ranged from 79.00 to 91.25% while Crude Protein (CP) percentage ranged from 12.51 to 28.34%. Crude Fibre (CF) values were highest with toasting (28.34) while cooking gave the lowest value (12.51). Ether Extract (EE) highest value was obtained in cooked soybeans (19.50%) while the least (9.72%) was obtained in extruded soybeans. Total ash percentages ranged from 4.27 to 4.46% while NFE percentage ranged from 13.75 to 26.31%. Ca and P percentage values were high (1.08 and 0.33%) in roasted and extruded respectively. Amino acid profiles (g/100 g protein) values for lysine ranged from 2.40 to 5.1, while cystine had values ranging from 0.64 to 0.88. Methionine value were highest (1.02 and 1.14) in cooking and roasting and least in extrusion (0.52) while phyenylalanine values ranged from 3.06 to 4.26. Reduction due to treatment was observed in Trypsin Inhibitor Activity (TIA) and phytic acid and cooking methods was highest for TIA (85%), extruded soybeans (60.59%), toasted and roasted soybeans were similar (52.44% and 53.75%). Reduction in phytic acid was highest with roasted soybean (71.7%), followed by 70.73% in cooked soybeans, toasted soybean was least (48.12%). Urease assay values ranged from 0.02 to 0.09 (ΔpH) and cooked soybean had highest protein solubility index of 83.40%. Phytic acid and Trypsin Inhibitor Activity (TIA), phytic acid and percentage reduction in TIA, Protein Solubility Index (PSI) and phytic acid, TIA and percentage reduction in TIA were correlated. Protein quality and TIA inactivation was more preserved and effective with cooking method.
  A.A. Bello and T.Z. Adama
  Ten savannah brown goats were investigated for feed intake and nutrient digestibility when fed concentrates and forage diets. The goats were randomly assigned to two treatment groups, each with five replicates consisting of five castrates and five non-castrates. One thousand grams of mixed diets were offered per goat/day. Total daily faecal output of each animal was collected. The total faeces collected was oven-dried at 65°C for 48 h and analyzed for Dry Matter (DM), Crude Protein (CP), Crude Fibre (CF) Ether Extract (EE), ash and Nitrogen Free Extract (NFE). There was a significant (p = 0.05) difference between the feed intake of castrates and non-castrates. Castrates had a highly significant (p<0.05) feed intake (1107.1) than non-castrates (l071.2 g). Apparent digestibility coefficient values indicated that castrates had higher values for DM, CP, EE, ASH, NFE and CF though, there was no significant difference (p>0.05) between the two group of the experimental animals for C.F. It was concluded that castration of male goats favours feed intake, better feed utilization thus increase in live weight gain. Therefore, castration of surplus male goats not required for breeding programmes will improve their meat potentials.
  A.A. Bello and T.Z. Adama
  Studies on body weight and linear body measurements of castrate and non-castrate savannah brown goats were carried out using ten goats consisting of two treatments (T1 and T2 ). T1 represents castrates and T2 represents non-castrates. Results indicated no significant (p>0.05) difference between the weight gain of castrates and non-castrates. Similarly it was observed from this study that castration had no significant effect as non-castrates obtained higher values in height at wither, fore leg length, horn length, poll distance, face length and horn base conference compared with those castrated. Additionally, there was no significant difference between the two treatments in terms of body length, chest girth, hind leg length, ear length, neck length and neck circumference. Of the body linear measurements measured, chest girth and Horn base circumference were the related traits to the body weight and the correlation between these traits were (r = 0.677) and (r = 0.605), respectively. The highest correlation co-efficient value was found between chest girth and body weight followed by Horn base circumference and body weight. It was therefore concluded that the two traits above could be used to predict body weight of castrated savannah brown goats. Chest girth measurement would be the best to estimate the body weight of these breed of animal.
  T.Z. Adama , S.A. Ogunbajo and M. Mambo
  Three hundred Dako broiler chicks of both sexes each having average initial weight of 86.4 g were randomly distributed into five treatments with two replicates each with 30 birds. Five iso-nitrogenous and iso-caloric starter and finisher diets were formulated and fed for a period of four weeks at starter and finisher phases. Sorghum Dried Brewer's Grain (SDBG) was used at the levels of 0% (control), 10%, 20%, 30% and 40% to replace maize grain and groundnut cake (GNC) in the diets at both starter and finisher phases. Feed intake, growth performance of the birds as well as the digestibility coefficients and the gross margins of the diets were measured. Digestibility values were not significantly affected up to a level of 20% SDBG in the diet. Also, cost of feed/kg declined with increasing levels of SDBG. Gross margin was highest at SDBG level of 20%. It was concluded that SDBG inclusion at a level of 20% in broiler diets will reduce the cost of feed and increase profit margin.
  D.N. Tsado and T.Z. Adama
  This study was conducted to determine the effect of castration, sex and type of birth on the rate of body weight gain and linear measurements non castrates, castrates and female Savanna Brown kids. The mean values of the body weight, body length and chest girth of single non-castrates (5.75kg, 53.37 cm and 42.50cm) were higher but not significantly different (p > 0.05) from other groups. Single castrates and twin castrates in height at withers (38.86cm and 38.47cm), significantly (p < 0.05) differed from that of the females (36.09cm). Singles (non castrates and castrates) shows a superior performance in body weight and body gain measurement, signifying the effect of type of birth. It was concluded that the influence of castration in this study did not appear significant, However, the sex influence appeared positive as males and castrates performed better in most parameters than females.
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