Zobrazeno 1 - 10
of 47
pro vyhledávání: '"B.T. Weinland"'
Publikováno v:
Journal of Dairy Science. 60:1773-1786
Outcrossing, mild inbreeding, and crossbreeding in a common foundation of Holstein cows were compared in the Beltsville herd from 1957 through 1970. The outcross and mildly inbred systems consisted of four generations, and the crossbred system consis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1cf6029c5d62779b3617e76960b57396
https://doi.org/10.3168/jds.s0022-0302(77)84101-5
https://doi.org/10.3168/jds.s0022-0302(77)84101-5
Publikováno v:
Journal of Dairy Science. 60:1163-1168
Freeze marks were applied by the same person to 17 dairy steers at Beltsville, Maryland, and four dairy steers at Jeanerette, Louisiana. Sites were close clipped before marking. Steers were marked at three pigmented anatomical sites (neck-shoulder, r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::515edb6e2e69a130d5dc25eb3183e276
https://doi.org/10.3168/jds.s0022-0302(77)84002-2
https://doi.org/10.3168/jds.s0022-0302(77)84002-2
Publikováno v:
Journal of Dairy Science. 66:2124-2136
A wether with ruminal and duodenal fistulae was fed orchardgrass pellets in meals 2h apart to obtain "steady state" conditions in the gastrointestinal tract. Six experiments were conducted to determine the size distribution of cell wall particles tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5351adc7645c3c65fcca2b3258ed6e43
https://doi.org/10.3168/jds.s0022-0302(83)82059-1
https://doi.org/10.3168/jds.s0022-0302(83)82059-1
Publikováno v:
Journal of Dairy Science. 59:465-474
A conventional concentrate mixture and one containing dehydrated poultry excreta (32%) were fed to two groups of 12 cows each to provide 36% of total dietary nitrogen and 15% of total dry matter intake for 90 days. The digestibilities determined with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3715730e313923ba6757aa600343112
https://doi.org/10.3168/jds.s0022-0302(76)84228-2
https://doi.org/10.3168/jds.s0022-0302(76)84228-2
Publikováno v:
Journal of Dairy Science. 59:957-964
Heritabilities and genetic correlations of milking rate, time, and yield were estimated by intrasire regression of daughter on dam for 252 Holstein pairs. Heritabilities were: lactation yield, .51 +/- .11; peak rate, .47 +/- .11; bucket milk yield, .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c0e9b85d2584e1f26ebbc47a82c5557
https://doi.org/10.3168/jds.s0022-0302(76)84304-4
https://doi.org/10.3168/jds.s0022-0302(76)84304-4
Publikováno v:
Journal of Dairy Science. 62:1408-1414
Starter culture, temperature, and antibiotic concentration affecting fermentation rate of mastitic milk were studied to determine if mastitic milk could be preserved to feed dairy calves. In trial 1, milk samples from cows treated with 100,000 IU pen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60c70ac2480e776f948c335026bc9aa3
https://doi.org/10.3168/jds.s0022-0302(79)83437-2
https://doi.org/10.3168/jds.s0022-0302(79)83437-2
Publikováno v:
Journal of Dairy Science. 63:1123-1127
Weight gains, milk intake, and health of calves fed fermented mastitic milk from cows treated and not treated with antibiotics were compared with those of calves fed fermented colostrum or fresh normal milk at two intakes. Calves fed fermented mastit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c4a35cb65c761df24d51f5f78f30a30
https://doi.org/10.3168/jds.s0022-0302(80)83056-6
https://doi.org/10.3168/jds.s0022-0302(80)83056-6
Publikováno v:
Journal of Dairy Science. 59:1157-1162
Dewatered manure solids (29% dry matter), dehydrated manure solids (90% dry matter), and sawdust (81% dry matter) were compared as bedding materials for dairy cattle allowed free choice of the bedding materials in free stalls. The three bedding mater
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::638c17e0be6bfd7fff663dd900bbdf24
https://doi.org/10.3168/jds.s0022-0302(76)84337-8
https://doi.org/10.3168/jds.s0022-0302(76)84337-8
Autor:
Max Paape, B.T. Weinland
Publikováno v:
Journal of Dairy Science. 71:250-256
The study was conducted to determine effects of an abraded intramammary device on milk yield, tissue damage, and milk somatic cells during late lactation. Abraded intramammary devices were inserted into diagonally opposed quarters of 20 cows. One gro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac9f69b45a6745c61ba786f3e114fdeb
https://doi.org/10.3168/jds.s0022-0302(88)79549-1
https://doi.org/10.3168/jds.s0022-0302(88)79549-1
Publikováno v:
Journal of Dairy Science. 54:1465-1469
Samples of chopped or pelleted grass hay and resulting rumen contents and feces from feeding cattle in changeover trials were sieved, and adequacy of describing results by the log normal distribution was investigated. Geometric mean particle sizes ra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2465b1f32169cd4f356a2b38050982f
https://doi.org/10.3168/jds.s0022-0302(71)86048-4
https://doi.org/10.3168/jds.s0022-0302(71)86048-4