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392. Seasonal variations in the sales of calves in different parts of Great Britain, 1943–1947
Published online by Cambridge University Press: 01 June 2009
Extract
The records of calf sales to the Ministry of Food have been examined for the years 1943–7 and maps made to show variations in (a) the percentage disposal of the annual calf crop, and (b) the percentage autumn calf sales, in different parts of Great Britain. These have enabled the intensive dairying areas and the extensive rearing areas to be denned.
It is postulated that the variations in the seasonality of calf sales in different areas may be influenced by factors other than husbandry, and that climate may have both direct and indirect effects upon the development of winter oestrus in cattle.
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- Copyright © Proprietors of Journal of Dairy Research 1949
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