Zobrazeno 1 - 3
of 3
pro vyhledávání: '"R. L. Chicoine"'
Publikováno v:
Canadian Journal of Animal Science. 62:333-343
Semen from four Finnish and four Canadian progeny-tested Ayrshire bulls was used to breed cows and heifers in 50 cooperating Ayrshire herds in Quebec and Ontario in 1972 through 1974. Among the 690 calvings, 2.5% were stillbirths, 2.0% were difficult
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::900c8335aa8f9484c5178adedcc5a9e9
https://doi.org/10.4141/cjas82-039
https://doi.org/10.4141/cjas82-039
Publikováno v:
Canadian Journal of Animal Science. 58:115-122
An experiment was conducted to obtain progeny test comparisons of Finnish and Canadian Ayrshire bulls for veal and beef production. A total of 83 male calves from four Canadian and four Finnish sires was tested. Best linear unbiased estimates of diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87fcfd82c20acfb589dbc0e8263fd9c7
https://doi.org/10.4141/cjas78-017
https://doi.org/10.4141/cjas78-017
Publikováno v:
Canadian Journal of Animal Science. 59:419-425
A total of 2216 lactations, initiated between July 1973 and June 1976, of 1382 Holstein cows in 36 herds from the Nicolet, Rock Forest and St-Hyacinthe regions of Quebec were studied. All cows were bred exclusively by AI. Mean services per conception
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a78b8ab4d4a53e08455d2eb71d0b3028
https://doi.org/10.4141/cjas79-052
https://doi.org/10.4141/cjas79-052