Part Lactations. III. Progeny Testing with Part Lactation Records
نویسندگان
چکیده
منابع مشابه
Mammography; Part III
From the Book of Mammography by Dr. Zabihollah Arnavaz - Head of Radiology Department of Jorjani Hospital, National University of Iran.
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The Norwegian cow index of 1978 is described. The formula is standard and is based on information from a) lactation yield per year, b) corresponding herd averages, c) indexes of sire and maternal grandsire, and d. average of indexes of sires included in the herd averages. Analysis of data from 242 501 cows is also presented. Following conclusion may be drawn :-The cow index used seems to work w...
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The theory of stick-slip is developed, based on the concept of a static and dynamic coefficient of friction. The dynamic coefficient is assumed to be independent of displacement and to depend wholly on normal stress across the surface. It is also assumed to be velocity-independent. The theory predicts that the stress drop during stick-slip is independent of machine stiffness. The displacement d...
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Cerebral cortex Cognitive behavioural therapy (CBT) assumes that those who are reasonably reasonable most of the time have more pleasant emotional lives. “The wise man is always happy—keeping an eye on his logic,” wrote Cicero, the prefeminist philosopher. Today even the Dalai Lama favours rationality: “My experience is that [mental peace] is obtained mainly through reasoning. Meditation does n...
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The first half of the Review examines the evidence on the economic impacts of climate change itself, and explores the economics of stabilising greenhouse gas concentrations in the atmosphere. The second half of the Review considers the complex policy challenges involved in managing the transition to a low-carbon economy and in ensuring that societies can adapt to the consequences of climate cha...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1961
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(61)89833-0