Parliamentary Papers, Volume 8H.M. Stationery Office, 1960 - Bills, Legislative |
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Page 24
... hybrid corn made up about 80 per cent of the American crop ; and hybrid fowls must account for about this proportion of the American laying flocks in 1960. In America , too , single crosses between breeds constituted practically the ...
... hybrid corn made up about 80 per cent of the American crop ; and hybrid fowls must account for about this proportion of the American laying flocks in 1960. In America , too , single crosses between breeds constituted practically the ...
Page 27
... hybrids is determined by the average production of their parents and an additional hybrid gain , which is more or less constant over a wide range of mid - parent values12 . Incrosses mature earlier than the mean of their parents , but ...
... hybrids is determined by the average production of their parents and an additional hybrid gain , which is more or less constant over a wide range of mid - parent values12 . Incrosses mature earlier than the mean of their parents , but ...
Page 28
... hybrid . None the less , there is ample evidence that crosses of non - inbred groups of different breeds may perform better than either of their parents18 , although they are frequently prone to broodiness and sometimes to mortality as ...
... hybrid . None the less , there is ample evidence that crosses of non - inbred groups of different breeds may perform better than either of their parents18 , although they are frequently prone to broodiness and sometimes to mortality as ...
Contents
Hops Marketing Scheme 1932 | |
Tomato and Cucumber Marketing Scheme 1950 | 13 |
British Egg Marketing Scheme 1956 | 19 |
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31st March Account acid acres Agricultural Research aircraft airlines Airways animals antibodies antigens April artificial insemination average B.SC Balance Sheet Biochemistry BOAC Board breeding Britain British BRITISH EUROPEAN AIRWAYS cattle cent Chairman chemical Comet Committee continued Corporation cost Council crop D.SC Depreciation disease eelworm effect eggs ended 31st March equipment expenditure Expenses experimental staff experiments factors Farm flavour gallon genetic grain grant growth guarantee Head of Department horticultural hybrid improvement increase infection Institute investigation irrigation laboratory land London M.SC Marketing Scheme methods milk moisture mutation mutation breeding operations Organisation passenger PH.D Physiology pigs plants potatoes poultry produced programme protein Report Revenue Rothamsted Experimental Station routes Sales scientific and experimental Scotland Scottish scrapie seed selection semen sheep soil storage strains techniques temperature tests traffic varieties virus viruses Weed Research Organisation Wye College yield