Zobrazeno 1 - 10
of 55
pro vyhledávání: '"MF Pyman"'
Publikováno v:
Australian Veterinary Journal. 100:29-39
Breed structures of Australian dairy herds over time were described for a large subset of milk-recording herds. The focus for this study was to describe the use of crossbreeding by dairy farmers, specifically proportions of herds using crossbreeding,
Autor:
Mark Stevenson, DS Beggs, D. D. Colson, MF Pyman, R. J. Rheinberger, Peter Mansell, J. M. Rheinberger
Publikováno v:
Australian Veterinary Journal. 98:190-196
Objective To compare fixed-time artificial insemination (FTAI) conception rates and serum progesterone concentrations at the time of FTAI for cows treated with the original Ovsynch program (OV) with those treated with a modified Ovsynch (MO) program.
Publikováno v:
Australian veterinary journalReferences. 98(9)
Leptospirosis is a zoonosis, found worldwide, affecting many species of animals. We conducted a cross-sectional study to estimate the prevalence of Leptospira borgpetersenii sv Hardjo and Leptospira interrogans sv Pomona in cattle in dairy herds in S
Publikováno v:
Australian Veterinary Journal. 96:269-273
Background Adjusting the dietary cation-anion difference (DCAD) is one of the most efficient ways to stimulate calcium homeostasis in periparturient dairy cattle. However, adjusting DCAD to the recommended negative values (-100 to -150 mEq/kg) is ass
Publikováno v:
Australian Veterinary Journal. 96:101-106
OBJECTIVES: To describe colostrum management practices carried out in northern Victorian dairy herds and to identify weaknesses in these areas that may affect calf health and welfare by comparing the results with the current industry recommendations
Publikováno v:
Australian Veterinary Journal. 96:107-110
OBJECTIVES To describe the calf-rearing practices carried out in northern Victorian dairy herds and to identify weaknesses that may affect calf health and welfare by comparing the results with current industry recommendations. METHODS Survey of dairy
Autor:
Jennie E. Pryce, Peter Mansell, Mark Stevenson, Alistair Murray, MF Pyman, DS Beggs, Ee Cheng Ooi
Publikováno v:
Agricultural Systems. 193:103228
CONTEXT Fertility is crucial for pasture-based seasonal calving dairy herds, where cows are expected to calve in a single cohort at a time when peak milk production coincides with maximum pasture availability. However, dairy fertility has declined gl
Publikováno v:
Journal of Dairy Science. 99:9998-10008
In pasture-based, seasonally calving dairy herds of southern Australia, the mating period usually consists of an initial artificial insemination period followed by a period of natural service using herd bulls. The primary objective of this study was
Publikováno v:
Journal of Dairy Science. 99:9983-9997
In the pasture-based, seasonally calving dairy herds of southern Australia, the mating period usually consists of an initial artificial insemination period followed by a period of natural service using herd bulls. Bull breeding soundness evaluations
Publikováno v:
Journal of Dairy Science. 99:8981-8990
One of the major challenges for dairy producers is to produce, harvest, and store high-quality colostrum and feed it to their replacement heifer calves. Limited published data are available in Australia regarding the relationship between colostrum ma