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Johne’s disease occurs when cows are infected with Mycobacterium avium spp. Paratuberculosis (MAP). An estimated 42% of herds in Canada have at least one infected cow. Studies show that in herds with at least one positive cow, roughly 10% of cows are infected.
Milk synthesis exhibits a daily rhythm that is modified by the timing of feed intake. However, it is unknown how specific nutrients entrain this daily rhythm.
Reducing antimicrobial use in humans and animals is critical to combat resistance to commonly used antimicrobial treatments. We all need to work together to meet this challenge and the dairy industry is taking action to do its part.
Dr. Elsa Vasseur and her research team are exploring the effects of exercise in dairy cattle. They conducted a comprehensive review of six studies that enrolled 141 tiestall-housed Holsteins. Cow behaviour and number of steps taken per day were evaluated.
Two invited reviews providing an overview on the mechanisms that contribute to the iodine concentration of milk and dairy products and associated impacts of selective dry cow therapy on udder health, milk production, economics, antimicrobial use and antimicrobial resistance.
The objectives of this study were to describe current practices related to on-farm euthanasia performed by Canadian dairy farmers and to assess the emotions and complex feelings surrounding the act.
This article reports the barriers to talking about euthanasia, the emotions expressed by dairy farmers about the euthanasia process of their animals, the psychological impacts of euthanasia on farmers and offers possible solutions to help them.
This review, from German researchers, addresses the criticism often heard regarding large farms and how they supposedly have a negative effect on animal welfare.
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