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Researchers look into climate change pertaining to dairy in the U.S. and how heat stress and photoperiod length can impact mammary immunity and health.
Bunker silos are a popular option for storing large volumes of silage for animal feed; however, due to their large surface area and exposure of contents to precipitation, these structures present a unique challenge for effluent management due to infrequent flows with high nutrient concentrations, high biological oxygen demand and low pH.
“Invited review: Sensor technologies for real-time monitoring of the rumen environment.” Journal of Dairy Science Vol. 105 No. 85, 2022. This invited review article, from researchers from the universities of Pennsylvania, Purdue and Virginia Tech, aims at summarizing the current knowledge regarding sensor technologies for real-time monitoring of the rumen environment.
The NRC (2001) prediction of milk protein yield was based on
metabolizable protein (MP) requirements and supply and a fixed
efficiency of utilization of 67% of this supply.
Researchers are developing a surveillance program to measure antimicrobial use (AMU) and antimicrobial resistance (AMR) on Canadian dairy farms, as well as the effectiveness of antimicrobial stewardship protocols and programs.
“Consensus recommendations on calf- and herd-level passive immunity in dairy calves in the United States.”Journal of Dairy Science, Vol. 103 No. 8, 2020.
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