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Articles by S.S.A. Egena
Total Records ( 4 ) for S.S.A. Egena
  O.J. Alabi , J.W. Ng`ambi , D. Norris and S.S.A. Egena
  The aim of this study was to undertake a comparative evaluation of the body weight and linear body measurements of three indigenous chicken breeds of South Africa, namely: Naked neck, Venda and Potchefstroom koekoek. A total of 222 records obtained from the three intensively reared breeds were used in the study. Data were collected at the experimental farm of the University of Limpopo, South Africa. Treatment means were separated using t-test and analysis of variance with the level of significance set at 5%. Body weight was correlated with the linear body measurements. The parameters evaluated were: Body Weight: BW, Body Length: BL, Body Girth: BG, Wing Length: WL, Shank Thickness: ST and Shank Length: SL. The measurements were taken at maturity (22 weeks of age). Results showed that males of the three breeds were statistically (p<0.05) heavier had longer body, better body girth, wing length, shank thickness and shank length than the females. Comparison of the three breeds also revealed that Potchefstroom koekoek chicken was significantly (p<0.05) better than the Naked neck and Venda chickens for the traits evaluated with the exception of shank length where no significant (p>0.05) differences were observed between the three breeds. No differences (p>0.05) were observed between the Naked neck and Venda chickens for body weight, body girth and shank thickness. BW was best correlated with SL (Naked neck; r = 0.92), ST (Venda; r = 0.80) and ST (Potchefstroom koekoek; r = 0.80). BW was best predicted using SL (Naked neck; -0.5129+0.0825SL), ST (Venda; -0.1381+ 0.4515ST) and ST (Potchefstroom koekoek; -0.2004+0.4621ST). It was concluded that breed differences do exist between the three indigenous South African chicken breeds studied and these differences are in favour of the males and the Potchefstroom koekoek chickens.
  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.
  S.S.A. Egena , A. Usman , E.l. Shiawoya , S.K. Yahaya and H.O. Ogunlowo
  One hundred and twenty day-old Hubbard broiler birds were used to study the effects of anaerobic fermentation and lyle treatment of Delonix seed meal on the performance of starter broilers. The experimental period spanned 5 weeks. The birds were divided into four treatment groups of three replicates each using complete randomized design. The anaerobically fermented and lyle treated Delonix seed meal (AFLTDSM) was used to replace groundnut cake (GNC) at 0%, 5% and 7.5% level. Untreated raw Delonix seed meal (URDSM) was also used at 5% level in order to evaluate its effects on starter broiler performance. The four treatments were designated as T1, T2, T3 and T4 respectively. Parameters evaluated were mean body weight, daily body weight gain, mean feed intake, mean feed conversion ratio as well as apparent nutrient digestibility. The results showed that mean body weight, daily body weight gain, mean feed intake and mean feed conversion ratio were not significantly affected (p>0.05) by the substitution of GNC with AFLTDSM in the diets. However, apparent nutrient digestibility of dry matter (DM), crude protein (CP), ash, ether extract (EE) and Nitrogen free extract (NFE) were significantly affected (p<0.05) by the treatment diets. Crude fibre (CF) digestibility was however not affected (p>0.05) by the inclusion of Delonix seed meal in the diets. It was concluded that AFLTDSM could be used as a substitute for GNC in starter broilers diet without any significant effect on the performance of the birds.
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