A. M. Kingori
Department of Animal Sciences, Egerton University, P.O. Box 536-20115, Egerton, Kenya
A. M. Wachira
Kenya Agricultural Research Institute, P.O. Box 25-20117, Naivasha, Kenya
J. K. Tuitoek
Department of Animal Sciences, Egerton University, P.O. Box 536-20115, Egerton, Kenya
ABSTRACT
Indigenous chickens are widespread within the rural areas of Kenya where they contribute more than 50% of the domestic egg requirement. Although they contribute a significant proportion of egg requirements, the productivity is low. Poor nutrition is one of the reasons for the low productivity of indigenous chickens. They depend primarily on the scavenging feed resource base for nutrients. Scavenging is an uncertain method of feeding because the scavenged rations may be inadequate in nutrient supply. Productivity of indigenous chickens can be achieved through improved nutrition by supplementation to supply the deficient nutrients. The energy requirements of growing indigenous chickens have been determined and the energy intakes of the free-ranging chickens have been estimated. However, the energy requirements of indigenous chicken hens in Kenya have not been determined, hence the need to determine the requirements. An on-station feeding trial was conducted to determine the influence of energy intake on egg production, egg and hen weight. Two summit diets were formulated containing 18 and 24% Crude Protein (CP). They were blended in various ratios (diet 2 = 67% of diet 1 and 33% of diet 4; diet 3 = 33% of diet 1 and 67% of diet 4) to obtain two other diets containing 17 and 22% CP. The diets were randomly allocated to 48 indigenous chicken hens 42 weeks of age. Each diet was replicated 4 times and 3 hens were housed per cage. The diets were offered to the hens such that they had similar CP, vitamin and mineral intake but varying energy intake. Egg production, egg and hen weights were measured over an eight-week period. Egg production increased (p < 0.05) with increasing energy intake from (813-1034 kJ/d). Egg weight was similar (p>0.05) for energy intake between 813-1185 kJ. Final hen weight was similar (p>0.05) for energy intake between 813-874 kJ and increased from an intake of 1034 kJ. From the results, it is concluded that the daily metabolizable energy requirement for a laying indigenous chicken hen given adequate proteins and other nutrients is 1185 kJ.
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How to cite this article
A. M. Kingori, A. M. Wachira and J. K. Tuitoek, 2014. Influence of Energy Intake on Egg Production and Weight in Indigenous Chickens of Kenya. International Journal of Poultry Science, 13: 151-155.
DOI: 10.3923/ijps.2014.151.155
URL: https://scialert.net/abstract/?doi=ijps.2014.151.155
DOI: 10.3923/ijps.2014.151.155
URL: https://scialert.net/abstract/?doi=ijps.2014.151.155
REFERENCES
- Auckland, J.N. and R.B. Foulton, 1973. Effects of restricting the energy intake of laying hens. Br. Poult. Sci., 14: 579-588.
CrossRefDirect Link - Balnane, D., D.J. Farrell and R.B. Cummings, 1978. The minimum metabolisable energy requirement of laying hens. World's Poult. Sci., 34: 149-154.
CrossRefDirect Link - Brown, W.O., J.J. Warring and E. Squance, 1965. A study of the effect of variation in the calorie‐protein ratio of a medium energy diet and a high energy diet containing sucrose on the efficiency of egg production in caged layers. Br. Poult. Sci., 6: 59-66.
CrossRefPubMedDirect Link - Chwalibog, A. and R.L. Baldwin, 1995. Systems to predict the energy and protein requirements of laying fowl. World's Poult. Sci. J., 51: 187-196.
Direct Link - Farrell, D.J., 2000. The energy and protein needs of scavenging laying hens. Livest. Res. Rural Dev.
Direct Link - Gleaves, E.W., L.V. Tonkinson, J.D. Wolf, C.K. Harma, R.H. Thayer and R.D. Morrison, 1968. The action and interaction of physiological food intake regulators in the laying hen. 1. Effects of dietary factors upon feed consumption and production responses. Poult. Sci., 47: 38-67.
CrossRefDirect Link - Harms, R.H. and P.W. Waldroup, 1961. The effect of composition of diet upon weight of eggs. Poult. Sci., 40: 564-567.
CrossRefDirect Link - Harms, R.H. and P.W. Waldroup, 1963. Further studies of diet composition on egg weight. Poult. Sci., 42: 657-662.
CrossRefDirect Link - Karunajeewa, H., 1972. Effect of protein and energy levels on laying performance of strains of different body weights. Aust. J. Exp. Agric., 12: 385-391.
CrossRefDirect Link - Kingori, A.M., J.K. Tuitoek, H.K. Muiruri and A.M. Wachira, 2003. Protein requirements of growing indigenous chickens during the 14-21 weeks growing period. South Afr. J. Anim. Sci., 33: 78-82.
Direct Link - Kingori, A.M., J.K. Tuitoek, H.K. Muiruri, A.M. Wachira and E.K. Birech, 2007. Protein intake of growing indigenous chickens on free-range and their response to supplementation. Int. J. Poult. Sci., 6: 617-621.
CrossRefDirect Link - Kingori, A.M., J.K. Tuitoek, H.K. Muiruri and A.M. Wachira, 2010. Effect of dietary crude protein levels on egg production, hatchability and post-hatch offspring performance of indigenous chickens. Int. J. Poult. Sci., 9: 324-329.
CrossRefDirect Link - MacLeod, M.G. and T.R. Jewitt, 1988. Maintenance energy requirements of laying hens: A comparison of measurement made by two methods based on indirect calorimetry. Br. Poult. Sci., 29: 63-74.
CrossRefPubMedDirect Link - Nivas, S.C. and M.L. Sunde, 1969. Protein requirement of layers per day and phase feeding. Poult. Sci., 48: 1672-1677.
CrossRefDirect Link - Oluyemi, J.A. and R. Harns, 1978. Decreasing egg weight by energy or protein restriction and energy required for repletion. Br. Poult. Sci., 19: 85-91.
CrossRefDirect Link - Pesti, G.M., E. Thomson and D.J. Farrell, 1990. Energy exchange of two breeds of hens in respiration chambers. Poult. Sci., 69: 98-104.
CrossRefPubMedDirect Link - Reid, B.L., M.E. Valencia and P.M. Maiorino, 1978. Energy utilization by laying hens I. Energetic efficiencies of maintenance and production. Poult. Sci., 57: 461-465.
CrossRefPubMedDirect Link - Tonkinson, L.V., E.W. Gleaves, R.H. Thayer, J.L. Folks and R.D. Morrison, 1968. Production responses as affected by nutrient intake of laying hens. Poult. Sci., 47: 32-38.
CrossRefDirect Link - Van Kampen, M., 1976. Activity and energy expenditure of hens: 3. The energy cost of eating and posture. J. Agric. Sci., 87: 85-88.
CrossRefDirect Link