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A note on the effects of environmental temperature on live-weight gain during fattening of pigs

Published online by Cambridge University Press:  02 September 2010

T. Sakai ,
M. Nishino ,
M. Hamakawa ,
C.-S. Yoon  and
T. Thirapatsakun
T. Sakai
Affiliation:
Department of Veterinary Preventive Medicine, Veterinary Medicine, Nihon University, 1866 Kameino, Fujisawa 252, Japan
M. Nishino
Affiliation:
Experimental Farm, College of Agriculture and Veterinary Medicine, Nihon University, 1866 Kameino, Fujisawa 252, Japan
M. Hamakawa
Affiliation:
Department of Veterinary Preventive Medicine, Veterinary Medicine, Nihon University, 1866 Kameino, Fujisawa 252, Japan
C.-S. Yoon
Affiliation:
Department of Veterinary Preventive Medicine, Veterinary Medicine, Nihon University, 1866 Kameino, Fujisawa 252, Japan
T. Thirapatsakun
Affiliation:
Department of Farm Animal Medicine, Faculty of Veterinary Medicine, Chulalongkorn University, Henri Dunant Street, Bangkok 10500, Thailand
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Abstract

The effect of piggery temperature on daily live-weight gain of triple cross Large White-Duroc pigs was studied. Weaning rate and fattening completion rates were similar among piglets born in different seasons of the year but the average daily weight gain was slower during the early (20 to 40 kg live weight) and intermediate (40 to 60 kg live weight) periods of fattening in the autumn-born group (T < 0·05) whilst during the late period (60 to 80 kg live weight) slower growth rates were found in the summer- and winter-born groups (P > 0·05). In the intermediate period the fastest growth rates (900 g/day) were recorded at piggery temperatures of 16 to 20°C. In the same period the slowest growth rates (602 g/day) were recorded at temperatures of 8°C or lower and at 24°C or higher. The daily live-weight gain during the intermediate period was shown to be related to piggery temperature in a curvilinear manner according to the equation Y = −2·48x2 + 90·44x + 25·37.

Keywords

liveweight gainpigstemperature
Type
Research Article
Information
Animal Production , Volume 54 , Issue 1 , February 1992 , pp. 147 - 149
Copyright
Copyright © British Society of Animal Science 1992

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