Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Dave Colburn"'
Autor:
Dave Colburn, 黃鴻珠
Publikováno v:
Jiàoyù zīliào yǔ túshūguǎn xué, Vol 04, Iss 2, Pp 18-23 (1972)
無無
Externí odkaz:
https://doaj.org/article/fa5db5dd55df4cf891e3c45716be0ab0
Publikováno v:
Journal of Animal Science. 72:292-299
Two trials were conducted to evaluate effects of Synovex C implants on replacement heifers, given at two different ages. Crossbred heifer calves (n = 370) were allotted to four treatments: 1) nonimplanted controls, 2) implanted at 2 mo, 3) implanted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb641a72f44291428923a0eda912de86
https://doi.org/10.2527/1994.722292x
https://doi.org/10.2527/1994.722292x
Publikováno v:
Journal of animal science. 75(6)
A study was conducted over 3 yr to evaluate effects of sire birth weight EPD, calf birth weight and shape, and heifer pelvic area and weight, individually and in combination, on dystocia and subsequent rebreeding of 2-yr-old heifers. Heifers (n = 550
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f731c93b4f5f3e4b9906c0a86a1be8b
https://pubmed.ncbi.nlm.nih.gov/9250504
https://pubmed.ncbi.nlm.nih.gov/9250504
Publikováno v:
The Proceedings of the International Conference on Nuclear Engineering (ICONE). :ICONE1510-ICONE1510
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29ce5ec158bdfb25eee7dac39ea972cd
https://doi.org/10.1299/jsmeicone.2007.15._icone1510_354
https://doi.org/10.1299/jsmeicone.2007.15._icone1510_354
Autor:
Dennis R. Brink, Don C. Adams, P. A. Olson, Dave Colburn, N. R. Schneider, Gene H. Deutscher, M P Carlson, David Hickok, A B Johnson
Publikováno v:
Journal of Animal Science. 77:522
The objective of this study was to determine whether a combination of Cu, Co, Mn, and Zn in an organic or inorganic form fed at higher than nutrient recommendations for 2-yr-old cows from calving to breeding would affect pregnancy rate, calving date,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::835488819150097314a729676ad091cf
https://doi.org/10.2527/1999.773522x
https://doi.org/10.2527/1999.773522x