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Published online by Cambridge University Press: 11 November 2009
Extract
Parafield Egg-Laying Competition, 1938–39. M. W. Aird. Journal of Agriculture, South Australia, July, 1939.
Number of birds that completed test, 352. Average number of eggs per bird, 187·12. Average cost of food per bird, 5s. 6·8d. Average return per bird, 17s. 10·3d. Return over cost of feeding, 12s. 3·5d.
Total 51 deaths from the 403 birds competing = 12·6 per cent.
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- Copyright © World's Poultry Science Association 1940