Results 41 to 50 of about 109,838 (252)
JDS Communications, 2022 The objective was to determine the effect of replacing GnRH with human chorionic gonadotropin (hCG) on the last day of a 5-d CIDR Synch protocol (d 0) and inducing accessory corpus luteum (CL) formation with hCG 5 d later (d 5) on serum progesterone (P4)
Marcelo S. El Azzi +7 more
doaj +1 more source
Veterinary Record, EarlyView.Abstract Background Updated targets for measuring transfer of passive immunity (TPI) at the herd level have been suggested, but the current performance of dairy herds in Great Britain is unknown. Methods A cross‐sectional study was performed. Serum total protein (STP) data collected between October 2022 and October 2023 by 21 veterinary practices were ...
George Lindley +3 more
wiley +1 more source
Development of Replacement Heifers using Combinations of Three Forage Types and Feed Supplements (with or without Broiler Litter) [PDF]
, 1997 The proper management of replacement heifers is an essential component of successful cow/calf operations. The level of management and nutrition applied to replacement heifers as calves and yearlings can impact their subsequent reproductive performance ...
Brown, A. H., Jr. +4 more
core +2 more sources
The Effect of Contract-Rearing on the Health Status of Replacement Dairy Heifers
Animals, 2021 The aim of this study was to compare the health status of contract- vs. conventionally reared replacement dairy heifers over a 2-year period. A total of 120 dairy farmers were enrolled in the study in spring 2018: 55 farmers were rearing their own ...
Marie-Claire McCarthy +3 more
doaj +1 more source
Veterinary Record, EarlyView.Abstract Background Changing legislation regarding antimicrobial consumption (AMC) forces Flemish bovine veterinary practitioners (BVP) to rethink their business models and shift their on‐farm practices from curative to preventive. However, little is known about their current practices and opinions regarding antibiotic stewardship, mastitis treatment ...
Lien Creytens +2 more
wiley +1 more source
Effect of bovine leukemia virus infection and proviral load on the systemic profile of dairy heifers during the transition period [PDF]
Ciência Rural: This study aimed to evaluate the effect of bovine leukemia virus (BLV) on the systemic profile of naturally infected dairy heifers during the transition period. Pregnant Holstein and Jersey heifers (n=24) were distributed in pairs into two experimental
Fabrício Dias Torres +6 more
doaj +1 more source
Veterinary Record, EarlyView.Abstract Background Ensuring livestock welfare throughout the production chain, including transport, is an ethical and regulatory imperative. However, protocols to assess transport‐related welfare during routine abattoir inspections are not standardised, including antemortem (AM) inspection by an official veterinarian at UK abattoirs.
Sayaka Mochizuki +2 more
wiley +1 more source
Effect of Heifer Frame Score on Growth, Fertility, and Economics [PDF]
Asian-Australasian Journal of Animal Sciences, 2015 A non-traditional forage-based protocol was employed to evaluate replacement heifer growth, fertility, and economics between small frame (SF, 3.50; n = 50) and large frame (LF, 5.56; n = 50) heifers using three increasing gain growth phases. Preceding an
S. Şentürklü +3 more
doaj +1 more source
Understanding Farmer Behaviour for Successful Climate Change Mitigation in Voluntary Initiatives
Australian Journal of Agricultural and Resource Economics, EarlyView.ABSTRACT Private and voluntary initiatives, such as voluntary carbon markets, can support public policies aimed at reducing greenhouse gas (GHG) emissions in agriculture. This study investigates the impact of behavioural factors (reluctance to change) and social dynamics (peer imitation) on the adoption of two mitigation practices on Swiss dairy and ...
Marta Tarruella +5 more
wiley +1 more source
Pilot study into milk haptoglobin as an indicator of udder health in heifers after calving [PDF]
, 2018 Mastitis, inflammation of the mammary gland, is often caused by intramammary infection with bacterial organisms. It impacts on dairy cattle welfare, production, udder health and longevity in the herd.
Campbell, M. +6 more
core +1 more source