Zobrazeno 1 - 10
of 71
pro vyhledávání: '"L.D. Weaver"'
Autor:
L.D. Weaver, M. Titterton
Publikováno v:
BSAP Occasional Publication. 26:335-339
The relationship between body condition at calving, uterine tone and discharge, time to first oestrus and changes in concentration of serum calcium and magnesium in early post partum was examined in 209 multiparous dairy cows located in four herds in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45aa749b2b5968affa563dd501597fc0
https://doi.org/10.1017/s0263967x00033863
https://doi.org/10.1017/s0263967x00033863
Autor:
Joan D Rowe, L.D. Weaver, Emilio Esteban, Philip H. Kass, Charles E. Franti, Charles A. Holmberg, H. Fred Troutt
Publikováno v:
Journal of Dairy Science. 77:468-481
Reproductive performance in cows exposed for two lactations to recombinant bST was measured using unconditional logistic regression. Intramuscular administration of 17.2, 51.6, and 86mg of recombinant bST/d per cow started at d 70 postpartum and ende
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1159148729e2c501da08097a9df6ac18
https://doi.org/10.3168/jds.s0022-0302(94)76975-7
https://doi.org/10.3168/jds.s0022-0302(94)76975-7
Autor:
John C. Galland, R.L. Baldwin, L.D. Weaver, Thomas B Farver, M. L. Bruss, H. F. Troutt, Charles A. Holmberg, D. Kratzer, Ian J. Lean
Publikováno v:
Journal of Dairy Science. 74:3429-3445
Postparturient metabolic and production responses were studied for 85 multiparous cows consisting of controls and animals that had been previously exposed to long-term treatment with bST. Older cows previously exposed to bST at high doses (51.6 mg/d)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e78e668cb2761bf1a33e109f2207a5f
https://doi.org/10.3168/jds.s0022-0302(91)78533-0
https://doi.org/10.3168/jds.s0022-0302(91)78533-0
Publikováno v:
Journal of Dairy Science. 74:436-445
Changes in milk production associated with occurrence of clinical diseases (dystocia, stillbirth, twin births, milk fever, retained placenta, displaced abomasum, limping due to foot lesions, metritis, ketosis, and mastitis) were investigated. Data we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e70edf28a62c26246d2431bf4ce13cf
https://doi.org/10.3168/jds.s0022-0302(91)78189-7
https://doi.org/10.3168/jds.s0022-0302(91)78189-7
Publikováno v:
Journal of Dairy Science. 73:539-548
Time series analysis of milk yield data collected three times daily was used to create stochastic models for short-term forecasting of milk production. These models can be used in systems for automated registration of daily milk weights. Analyses wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc8f070ba3e0edb07f079543fe6495c9
https://doi.org/10.3168/jds.s0022-0302(90)78701-2
https://doi.org/10.3168/jds.s0022-0302(90)78701-2
Autor:
Ken Butcher, Norman B. Williamson, David McClary, Jeffrey K. Reneau, Donald Klingborg, Wayne Etherington, L.D. Weaver, Robert Harman, James Ehrlich, Walt Guterbock, John Fetrow, Erich Studer
Publikováno v:
Journal of Dairy Science. 73:78-90
This paper presents the report of a committee of the American Association of Bovine Practitioners recommending methods for calculating several basic indices of reproductive performance on dairy farms. Indices presented are: overall reproductive perfo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b86c79fe34144f05b585de2ed65e3e68
https://doi.org/10.3168/jds.s0022-0302(90)78649-3
https://doi.org/10.3168/jds.s0022-0302(90)78649-3
Akademický článek
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Publikováno v:
Journal of dairy science. 78(7)
A survey was conducted to determine and contrast prevalence of IMI in nulligravid and primigravid dairy heifers pre- and postpartum. Contrasts were made to evaluate the risk factors of location of dairy, trimester of gestation, and season of sampling
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf15d827b08ffb21fe89e0035d0752c1
https://pubmed.ncbi.nlm.nih.gov/7593857
https://pubmed.ncbi.nlm.nih.gov/7593857
Publikováno v:
Comparative Immunology, Microbiology and Infectious Diseases
136 fecal samples, collected from 47 dairy calves on a calf ranch and in a dairy herd in California, were tested for the presence of group A and group B rotaviruses by reverse transcription-polymerase chain reaction (RT-PCR). Samples were collected f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e1e16cc47ed93739d79275d583a432b
https://pubmed.ncbi.nlm.nih.gov/7621673
https://pubmed.ncbi.nlm.nih.gov/7621673
Autor:
Philip H. Kass, H. Fred Troutt, Charles E. Franti, L.D. Weaver, Charles A. Holmberg, Emilio Esteban, Joan D Rowe
Publikováno v:
Journal of dairy science. 77(11)
The reproductive performance of 156 cows treated with recombinant bST for two consecutive lactations was assessed as part of a target animal safety study conducted in the San Joaquin Valley of central California. Daily intramuscular administration of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c3e612b2902373db59b7db84b86353a
https://pubmed.ncbi.nlm.nih.gov/7814714
https://pubmed.ncbi.nlm.nih.gov/7814714