Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Roger Mccraw"'
Publikováno v:
Journal of Central European Agriculture, Vol 7, Iss 1, Pp 1-6 (2006)
Data in this experiment consisted of birth weight, calving score, thickness and grade records of 600 crossbred calves. Angus, Brangus, and Gelbvieh sires were mated to purebred Hereford cows. Yearling and 2-yr-old Angus-Hereford, Brangus-Hereford, an
Externí odkaz:
https://doaj.org/article/81a17532d39b4a65a9189bb8397d8612
Autor:
Akin Pala, Roger Mccraw
Publikováno v:
American Journal of Applied Sciences. 2:542-544
The relationship between a heifer's weaning weight and her fertility and weaning weight of her calves was studied. Also investigated was the effect of dam amount of fat (DAF=dam weaning weight/weaning height) on heifers' ability to breed and rebreed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e55a07193c3bfb5cee002215610a8ef
https://doi.org/10.3844/ajassp.2005.542.544
https://doi.org/10.3844/ajassp.2005.542.544
Autor:
Giles Mandelbrote
this is the first book to map out the history of the rare book trade in the twentieth century - the end of this period broadly coinciding with the end of an era in traditional bookselling and the arrival of the Internet
