Zobrazeno 1 - 10
of 135
pro vyhledávání: '"R. T. Berg"'
Autor:
R. T. Berg
Publikováno v:
Beef Cattle Science Handbook ISBN: 9780429045189
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::199fb4044e88f1cb380f25b23a80fc0d
https://doi.org/10.1201/9780429045189-24
https://doi.org/10.1201/9780429045189-24
Publikováno v:
Beef Cattle Science Handbook ISBN: 9780429045189
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94cf11a41e982d7a5a72e1b37104c743
https://doi.org/10.1201/9780429045189-73
https://doi.org/10.1201/9780429045189-73
Autor:
R. T. Berg
Publikováno v:
Beef Cattle Science Handbook ISBN: 9780429045189
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::258df6cce0a6f0ca11a2c295a217a1ca
https://doi.org/10.1201/9780429045189-25
https://doi.org/10.1201/9780429045189-25
Autor:
A. Shahin, R. T. Berg
Publikováno v:
Beef Cattle Science Handbook ISBN: 9780429045189
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e194ecf985033b30980bbcfa3abc62a
https://doi.org/10.1201/9780429045189-75
https://doi.org/10.1201/9780429045189-75
Publikováno v:
Livestock Production Science. 81:47-56
The effects of udder type, calving assistance (CA) and other factors on preweaning average daily gain (ADG) and weaning weight of beef composites were analysed. Cows with medium or large, well attached udders weaned faster growing and heavier ( P P P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::327b5c23c58fa68a541cb5ae6b924d76
https://doi.org/10.1016/s0301-6226(02)00194-x
https://doi.org/10.1016/s0301-6226(02)00194-x
Publikováno v:
Canadian Journal of Animal Science. 79:409-417
A dynamic deterministic model for simulating beef cattle production systems is developed to evaluate the effects of production traits and management strategies on the bioeconomic efficiency of beef production systems. The model, named Alberta Beef Pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a113669e7917eca72428e8a4e8d920f4
https://doi.org/10.4141/a99-020
https://doi.org/10.4141/a99-020
Publikováno v:
Canadian Journal of Animal Science. 79:419-424
A dynamic simulation model, Alberta Beef Production Simulation System (ABPSS), which includes herd inventory, nutrient requirements, forage production, and economic submodels, was used to compare bioeconomic efficiency in spring and fall calvings and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e669faf9355fde2ecb90642c698b699
https://doi.org/10.4141/a99-021
https://doi.org/10.4141/a99-021
Publikováno v:
Applied Animal Behaviour Science. 64:159-167
A total of 96 weaned bull and heifer calves were allocated by sex, breed and horn status to three management treatments, each with two levels: calves handled every 10 or 20 days; an electric prod used or not used; and calves restrained by the head or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e15b5cbb20020cd04983e775b84cc1d
https://doi.org/10.1016/s0168-1591(99)00034-9
https://doi.org/10.1016/s0168-1591(99)00034-9
Publikováno v:
Canadian Journal of Animal Science. 79:123-127
The data for the study were obtained over an 11 yr period and the number of observations varied from 2663 to 4263 depending on the trait that was studied. The objective was to compare the reproduction and growth traits of genetically horned and polle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7629bc0ba8935912e79a6d4edbe4795
https://doi.org/10.4141/a98-096
https://doi.org/10.4141/a98-096
Publikováno v:
Canadian Journal of Animal Science. 78:249-255
Early (April) vs. late (May/June) calving was compared over 3 yr at the University of Alberta Ranch at Kinsella, Alberta, Canada. Three synthetic lines, two of which were predominantly beef breeds (BS1 and BS2) and one with approximately 60% dairy br
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7b2583f4187c0849d008dc20ee68238
https://doi.org/10.4141/a97-113
https://doi.org/10.4141/a97-113