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Studies on the breeding season and reproduction of the ewe. I. The breeding season in different environments. II. The breeding season in one locality. III. The breeding season and artificial light. IV. Studies on the reproduction of the ewe. V. Mating behaviour and pregnancy diagnosis



Studies on the breeding season and reproduction of the ewe. I. The breeding season in different environments. II. The breeding season in one locality. III. The breeding season and artificial light. IV. Studies on the reproduction of the ewe. V. Mating behaviour and pregnancy diagnosis



J. agric. Sci 42: 232-265



I-V. During the course of three breeding seasons, daily observations of oestrus were undertaken on the following groups of ewes, all of which were running with ochred rams: -120 ewes (pure bred and first-cross) of different breeds and ages, running with vasectomized rams under natural conditions; 28 grade Suffolk ewes fed on a sub-maintenance diet; 18 grade Suffolk ewes running with a fertile ram; 20 ewes of several breeds exposed to artificial light.

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Studies on the breeding season of the ewe. Part I. The breeding season in different environments. Part II. The breeding season in one locality : 189-231 24 figs. Part III. The breeding season and artificial light. Part IV. Studies on the reproduction of. Journal of Agricultural Science, 42, 1952

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