IMPROVE THE PRODUCTIVITY OF BROILERS USING AN EVAPORATIVE COOLING SYSTEM

Document Type : Original Article

Authors

1 Prof. Agric. and Bio-systems Eng. Dept., Fac. of Agric. (Chatby), Alex. Univ., Alex., Egypt.

2 Prof. of Poultry production. Dept., Fac. of Agric. (Chatby), Alex. Univ., Alex., Egypt.

3 Eng.-M. Sc. Agric. and Bio-systems Eng. Dept., Fac. of Agric. (Chatby), Alex. Univ., Alex., Egypt.

Abstract

This research was carried out to investigate the feasibility of using an evaporative cooling system to improve the productivity of broilers. Two different treatments cool and control rooms were used in the experiments.  Mathematical computer program was first developed and the output results were used for designing the evaporative cooler. The system was manufactured and installed in the cool room for field tests. A comparison was carried out, afterwards, between birds grown in the two rooms for the bird performance, feed conversion ratio, and mortality rates. A cost analysis proved that the profits were 2723 and 1820 EG.P./life cycle for the cool and control rooms, respectively. The profit of birds produced in the cool room was almost 1.45 times that of birds produced in the control room. Therefore, the evaporative cooler was successfully increased the profit and appeared economically feasible to use.      

Main Subjects

References

Abdel–Ghaffar, E. A.M. 1984. Ventilation curve of Commercial Poultry Buildings in Northwest Coast of Egypt During Winter. Agricultural Research Review, vol.62, No. 5A: 131 – 145.
Abou Zaher, S. El–Sayed 1998. Environmental control systems of Agricultural structure (A Simulation Study on Broiler Housing System). Ph.D. Thesis. Department of Agricultural Mechanization, Tanta University.
ASAE standards. 1988. Design of ventilation systems for poultry and livestock shelters. American society of Agricultural Engineers standards. 270.5, pp 373 – 391.
Deaton, J.W. ; Reece, F.N. AND McNaughton, J.L. 1978. The effect of temperature during the growing period on broiler performances. Poultry Sci, 57; 1070–1074.
FAO, 2002. Food and Agriculture Organization of the united Nations.
Harrison, P.C. and Biellier, H.V. 1969. Physiological response of domestic fowt to abrupt changes of ambient air temperature. Poultry Sci. 1034 – 1045.
Hatem, M. H. 1987. Increasing Broiler Production in Egypt Through Environmental Control of the Existing Poultry Buildings. Misr. J. Agr. Eng. 4(4): 449 – 461.
Hatem, M. H. 1988. Improving Broiler Houses Environment Under Saudi Arabian condition. Misr. j. Agr. Eng. 5(1): 32 – 44.
Hellickson, M.A. and J.N. Walker. 1983. Ventilation of Agricultural Structures. An ASAE Monograph. ASAE. St. Joseph, MI.
Howes, J.R.; Grub, w. ; Roller, C.A. 1962. The effects of constant high temperatures regimes upon broiler growth, feed efficiency, body composition, and carcass quality. poultry Sci. 41 : 1652.
Ibrahim, M.H. 1988. Mathematical Simulations of Air – to - air Heat pump brooding for broilers. Unpublished Ph.D. Dissertation. Maryland University, U.S.A.
Ibrahim, M.H. 1990. Factors affecting energy demands for broiler production in Egypt. Misr. J. Agric. Eng., 7(2) : 173 – 182.
Ibrahim, M.H. 1993. A mist – fog system for poultry under hot – arid climates. Alex. J. of Agric. Eng. Vol (43) – No.2.
MWPS. 1983. Structures and environmental Handbook. 11th Ed. Iowa State University, Ames. pp 633.4.
Watt, Jon. R. 1963. Evaporative air conditioning. The industrial press.
Welchert, W.T. and Frank Wiersma. 1872. Evaporative cooling for laying houses in Arizona ASAE PAPER 72 – 914.
Wiersma, F. and D.S. Benham. 1974. Design criteria for evaporative cooling. ASAE paper No. 74 – 4527, ASAE, St. Joseph, MI 49085.

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