Using genetic selection in the breeding of dairy cattle

Using genetic selection in the breeding of dairy cattleThere has been a huge increase in the productivity of dairy cows over the last half a century, with the yield per cow more than doubling. This is substantially due to the use of genetic selection in dairy cattle breeding programmes. In this chapter, we review the use of artificial insemination (AI), progeny testing, embryo transfer and in vitro fertilization in breeding programmes. We then discuss how traditional progeny testing schemes are being

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is concerned with women’s varied involvement with the visual arts and material culture of their day

is here published for the first time

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exploring the most effective way to protect vulnerable coral reef ecosystems while ensuring people’s voices are heard

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a cofounder of the People’s Will

and recontextualising it among many artforms which created new works from pre-existing parts

Hayami must join the group’s struggle

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before the discovery of the islands by Captain Cook