Although preventable, lamb loss from clostridial diseases during the first year of life on New Zealand hill country farms continues to be an issue. A field trial, where lambs were vaccinated at docking and weaning, demonstrated that vaccination was highly effective, lowering clostridial deaths by 23%. Zoetis veterinarian Dr Victoria Chapman unpacks the importance of robust animal health programmes, vaccination timing and the potential harmful consequences for stock when vaccination isn't given.
Bovine Viral Diarrhoea (BVD) is estimated to cost New Zealand's dairy and beef industries more than $150 million every year, yet many of the tools needed to control it are already well understood. After more than 25 years in veterinary practice, Andrew Weir, animal health technical specialist at LIC, has seen firsthand the impact BVD can have on herd performance. We asked him about the role of persistently infected (PI) animals and the practical steps farmers can take to reduce their risk.
For decades, successful calving has centred on correct mineral supplementation to prevent milk fever, along with teat sealants to minimise calving mastitis.
Giving calves the best possible start to life has been shown to boost growth and resilience.
Moving Day (June 1) is just around the corner and farmers who are moving farms with the herd are being urged by Ospri to start preparations now.
No two systems are the same.
For Taranaki sharemilkers Elly and Kale Grahame, technology hasn't beeen about overcomplicating their system.
Adopting strategies to reduce worm burden on farm goes hand-in--hand with best practice farm management practices to optimise stock production and performance, veterinarian Andrew Roe says.
In calf rearing, the smallest details often have the biggest impact. While feed and genetics remain critical, bedding is increasingly recognised as a key driver of calf health, growth, and overall performance.
For decades, probiotics in calf rearing have been treated as a reactive tool – something to reach for when illness strikes. That thinking, according to Matt Collier of Probiotic Revolution, is leaving significant money on the table.
When a cow goes down after calving, it is easy to blame the calving itself. Milk fever, calving stress, poor weather, bad luck. Yet many down cows are not caused by one dramatic event. They are the end result of poorly transitioned cows entering calving under nutritional pressure.
Dry-off feels like a break. For the cow, it's anything but.
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