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Articles by A.T. Ijaiya
Total Records ( 4 ) for A.T. Ijaiya
  S.S.A. Egena , A.T. Ijaiya and R. Kolawole
  The study was carried out using 750 indigenous Nigerian chickens comprising 543 males and 207 females brought to the market by farmers for sale in the three administrative zones of Niger state, Nigeria. Parameters measured were Body Weight (BW), Body Length (BL), Body Girth (BG), Wing Length (WL), Shank Length (SL) and Shank Thickness (ST). Results revealed that there’s a great preponderance of spurred (sI) indigenous Nigerian chickens in Niger state. The gene frequencies of spurred (sI) and spurless (SI+/-) gene in the three administrative zones of Niger State were as follows; zone A: (males, 0.93 vs. 0.07 and females, 0.69 vs. 0.31); zone B: (males, 0.93 vs. 0.07 and females, 0.74 vs. 0.26) and zone C: (males, 0.92 vs. 0.08 and females, 0.87 vs. 0.13), respectively. Spur gene significantly (p<0.05) imparted on all the metric parameters evaluated in the three zones except for BG and SL in zone B which were not significantly (p>0.05) affected by the presence of the gene. Birds from zone C (males and females) performed better than those from the other zones in all the parameters measured. They had better BW (2.28; 1.98), BL (44.79; 41.47), BG (26.41; 25.24), WL (24.83; 23.79), SL (12.04; 11.00) and ST (1.30; 1.20), respectively. Results from the combined analysis showed that spurred females were better than the spurless males in BW, BG, WL and ST. It was concluded that the presence of spur in the local chickens conferred some advantages on the birds’ exhibiting the trait as they performed better than the ones not having it.
  A.B. Sikiru , I.C. Alemede , A. Arangasamy , S.S.A. Egena and A.T. Ijaiya
  Background and Objective: Temperature elevation causes stress in livestock via reduction of blood flow to the digestive tract, induction of metabolic stress and nutritional imbalances. These compromises, animal performance, therefore, this study aim was to explore changes in temperature over the years for the study area in order to forecast future temperature ranges as a way of identifying increasing temperature as potential source of stress for livestock performance and health. Material and Methods: Bengaluru climate data spreading over 40 years were obtained; these data were categorized into 10 years group; in each 10 years group, a year was divided into 4 quarters (3 months units) giving a total of 16 quarters for the 40 years period used in the analysis. Specifically, records of temperature, relative humidity and dew point temperature were used in this research. Results: Time series model and descriptive statistical analysis were carried out which showed increasing trend of temperature; from average of 26.32°C in the 4th quarters of 1974-1984 to 29.99°C in the 4th quarters of 2007-2017 and forecasted to increase to 31.21°C by the 4th quarters of 2018-2028. Conclusion: It was concluded from these outcomes that increasing temperature is a source of stress for livestock production in Bengaluru and a mix of strategic animal production management and research were suggested for development of climate resilient livestock production system for the area as a model implementable at similar locations worldwide.
  A.T. Ijaiya and E.O. Eko
  A total of one hundred and fifty day-old anak broiler chicks were used to investigate the replacement value of silkworm caterpillar meal (SCM) for fish meal (FM) on growth performance, nutrient digestibility and cost benefit of starter broilers. The birds were randomly allotted to five treatment groups of 30 birds with each treatment having two replicates of 15 birds each. Five isocaloric and isonitrogenous diets were formulated such that diet 1 which served as the control had 100% FM:0% SCM while diets 2, 3, 4 and 5, respectively) had: 75% FM:25% SCM;50% FM:50% SCM;25% FM:75% SCM and 0%FM: 00% SCM, respectively. The birds were given feed and water ad-libitum. The performance in terms of feed intake (29.51-31.66g), body weight gain (16.56-19.03g), feed conversion efficiency (FCR) (1.60-1.72), protein efficiency ratio (PER) (2.67-2.77) and nutrient digestibility of the chicks indicated no significant (P > 0.05) differences among the treatment means. Cost per kg gain gradually declined with increasing dietary level of SCM indicating higher economic benefit. The results of this study demonstrated that cheaper silkworm caterpillar meal can be an excellent substitute for fish meal in formulating diets for starter broiler chicks leading to increased economic gains.
  A.T. Ijaiya and E.O. Eko
  The effects of substituting fish meal with different levels of silkworm (Anaphe infracta) caterpillar meal (SCM) on the growth, carcass characteristics haematology and economics of production formed the basis of this study. A total of one hundred and fifty four weeks old anak broilers were randomly allotted to five treatment groups in a completely randomized design with each treatment having thirty birds. Each treatment group was further divided into two replicates of fifteen birds per replicate. Five diets which had 100% FM: 0% SCM; 75% FM: 25% SCM; 50% FM: 50% SCM; 25% FM: 75% SCM and 0% FM: 100% SCM were formulated and labeled diets 1, 2, 3, 4 and 5, respectively with diet 1 serving as the control. Feed and water were provided ad-libitum. The performance in terms of feed intake (95.71g-98.25g), body weight gain (46.10g- 98.51g), feed conversion efficiency (1.98-2.08) and protein efficiency ratio (2.41-2.54) showed no significant (P > 0.05) differences across the dietary treatments. Analysis of weight of carcass and body cuts as well as blood parameters apart from blood albumin indicated no significant (P > 0.05) differences between the treatment means. Cost per kg of feed gradually decline with increasing dietary level of SCM inclusion levels indicating higher economic benefit. The result of this study revealed that the growth performance of the birds was not affected by the incorporation of silkworm caterpillar meal and it was more cost effective than conventional fish meal. It was concluded that cheaper silkworm caterpillar meal can be use as a complete substitute for fish meal in the diet of finishing broiler chickens.
 
 
 
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