Sheep, farming, husbandry, animal health, disease, worms, internal parasites, refugia By Dr Clive Dalton What is ‘refugia’? The dilemma ! There’s always a dilemma. What’s good for refugia? What’s bad for refugia? Disclaimer This material is provided in good faith for information purposes only, and the author does not accept any liability to any person … Read more
Sheep, farming, husbandry, disease, animal health, drench resistance, dealing with problem By Dr Clive Dalton What do you do to find out if your sheep have worms resistant to drench? Acknowledgements Thanks to Dr John Moffat, Schering-Plough Coopers for use of this case material. The problem Action taken Key points from the table: Drenching Recommendations … Read more
Sheep, farming, husbandry, disease, animal health, worms, internal parasites, resilience, resistance By Dr Clive Dalton Resilience & resistance There are three parts to the story. You can have: 1. Resilient animals 2. Resistant animals (host resistance) 3. Resistant worms Changing from resilience to resistanceThere’s a lot of conjecture about this. Here’s some points you hear … Read more
Sheep, farming, husbandry, animal health, worms, internal parasites, drenching, drench resistance By Dr Clive Dalton Drench resistance Four types of resistanceFour types of resistant worms have been identified. This may seem a bit academic but it could be useful to appreciate the situation on your farm. It’s not a simple picture as there is: Key … Read more
By Dr Clive Dalton Answer this question – it’s compulsory!Are the worms in your sheep resistant to the chemicals in drenches currently being used? Key point 1: Key point 2: Fill in this form to assess where you are at, and which will help you have a very profitable conversation with your veterinarian. Click on … Read more
Sheep, farming, husbandry, health, disease, worms, internal parasites, testing methods By Dr Clive Dalton Faecal Egg Count (FEC) Limitations of a FEC Sampling tips FEC for genetic selection programmes What ‘trigger levels’ should be used? Faecal Egg Count Reduction Test (FECRT)This is used to test for drench resistance. It’s a ‘drench check’ where you first … Read more
Sheep, farming, husbandry, disease, animal health, worms, internal parasites, By Dr Clive Dalton Answer this question – it’s compulsory!Are the worms in your sheep resistant to the chemicals in drenches currently being used? Key point 1: Key point 2: Fill in this form to assess where you are at, and which will help you have … Read more
This blog series is drawn from the successful plain-language farmer’s handbook – Internal parasites of sheep and their control by Dr Clive Dalton (Reward Publishing, ISBN 978-473-12133-4 now in its 3rd edition). Copies can be obtained from www.lifestyleblock.co.nz or by emailing clive.dalton@gmail.com. Drench resistance is not just coming – it’s here The ‘Wormwise’ programme Disclaimer This material is provided in … Read more