منابع مشابه
Effect of weather patterns on preweaning growth of beef calves in the Northern Great Plains
Records from a 76-year investigation into effects of line breeding and selection of Hereford cattle, and concurrent weather records, were used to assess effects of weather patterns on growth of suckling calves. Calf growth data were adjusted for trends arising from selection and inbreeding, and for effects of age of dam and sex of calf to produce clean estimates of year effects. Daily maximum a...
متن کاملA Great Plains Presidential Primary?
This paper examines the feasibility of establishing a regional presidential primary for the Great Plains States. It reviews the introduction ofprimaries for selecting national convention delegates, and the slowness of these states to adopt this method. Further, it surveys the use of the primary in the region, noting the independence ofGreat Plains voters in both the prereform and post-reform pe...
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ژورنال
عنوان ژورنال: Nature
سال: 1975
ISSN: 0028-0836,1476-4687
DOI: 10.1038/254380a0