Woolshed1

Drench resistant worms in sheep – references & further reading

Sheep, farming, husbandry, disease, animal health, worms, internal parasites, references, further readingBy Dr Clive Dalton Le Jambre, L.F. et. al. (2005).Proceedings of the 20th International conference of the world association for the advancement of veterinary parasitology, 16-20 October, 2005, Christchurch New Zealand. Abstract L98. Page 177. McEwan, J (1994).Breeders’ manual. WormFEC. Breeding sheep resistant to … Read more

New Zealand agricultural history. No 32. Importing exotic sheep breeds

My final shots Why didn’t MAF check?Ask today’s sheep farmers My last call  By Dr Clive Dalton My final shots  It was not the threat of the exotic breed importation that drove the changes in New Zealand sheep from the 1970s and beyond.  This is a standard old chestnut by those who lauded and still do, the exotic … Read more

New Zealand agricultural history. No 16. Importing exotic sheep breeds

Importation of exotic sheep breeds Second MAF importation Quarantine station at Hopuhopu Veterinary inspection MAFQual veterinarian Peter Hoyle  Dr Clive DaltonHopuhopu quarantine station Hamilton MAFQual veterinarian Peter Hoyle’s  memories   I was new boy on the block and had some experience in quarantine while working in the UK as a state veterinarian. So I got … Read more

Drench resistant worms in sheep – dealing to dags

By Dr Clive Dalton What everybody knows The old solution What needs thinking about now? The solution – genetics What to do Disclaimer This material is provided in good faith for information purposes only, and the author does not accept any liability to any person for actions taken as a result of the information or advice … Read more

Shepherd’s Crook. How to make a horn-headed crook

Making a horn headed shepherd’s crook By Dr Clive Dalton The bigger and more solid the horn, the more material you have to work with and hence the better the end result.  See the Border Shepherd’s Stick Dressing Association website .  British sheep breeds with heavy horns like the Scottish Blackface or Swaledale are ideal, … Read more

New Zealand agricultural history. No 8. Importing exotic sheep breeds

 Scrapie suspected at Mana Island quarantine station  Confirmation by international expert Dr J.T. Stamp Burning of carcases at Mana By Dr Clive Dalton Shock-horror at Mana Island.  Scrapie A report in Surveillance Vol 5:4 1978 by MAF veterinarian Dave Collins reported that a clinical case of Scrapie was confirmed in an East Friesian ewe on … Read more

New Zealand agricultural history. No 6. Importing exotic sheep breeds

Finding sheep in UK and IrelandPurebred ewes on Somes  By Dr Clive Dalton Finding sheep in UK and Ireland Without going back to the official MAF Research files (if anyone would know where to look), this is what Dr Neil Clarke, previously in  Ruakura genetics remembers about the flocks he located that had sheep for … Read more

New Zealand agricultural history. No 4. Importing exotic sheep breeds

First MAF importation Selecting sheep for importation Organising the sheep before transport to New Zealand Summary of events By Dr Clive Dalton  Summary of events Selecting sheep for importation Selecting individual sheep as a representative of a breed is never an easy task, as differences within breeds are always greater than differences between breeds. Sadly this is a much-ignored … Read more

New Zealand agricultural history. No 23. Importing exotic sheep breeds

East Friesian sheep importation from Sweden, 1992Transport problems from Sweden to New ZealandQuarantine on Somes IslandEast Friesian importation 1992 Information obtained from paper presented by Dr Jock Allison to NZ Institute of Primary Industry Management, December 2006   By Dr Clive Dalton From trials undertaken by MAF’s Research Division after the first importation of exotic sheep … Read more

Drench resistant worms in sheep- immunity

Sheep, farming, husbandry, disease, animal health, worms, internal parasites, immunity, what helps & depresses immunity By Dr Clive Dalton What is immunity? What helps immunity? What harms immunity The periparturient rise Genetic improvement of immunity Do anthelmintics harm the immune system?This very important question was never asked in the past; we took it for granted … Read more

Drench resistant worms in sheep – the situation on your farm

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

Drench resistant worms in sheep – a worm’s life

Sheep, farming, husbandry, worms, internal parasites, health, definitions, genus & species, life cycles, signs of wormy sheep, effects of worms on sheep By Dr Clive DaltonWhat are ‘worms’?‘Worms’ is a general term used for internal parasites that affect sheep. Plenty of other terms are used such as: Worms in New Zealand Can you see them? … Read more

Sheep Farm Husbandry – Organic farming and Homeopathy

Increasing interest in organic farmingThere is an increasing interest in organic farming around the world as consumers become more concerned about food safety and with the over-use of chemicals in farming. Farming using “organic principles” is seen by an increasing number of people as a solution to these concerns. Below are some general principles General … Read more

No 13. Sheep Performance Recording in New Zealand. History – Modern challenges

 By Dr Clive Dalton Change was inevitable My role in Sheeplan finished about 1979, and it was inevitable that with the phenomenal increase in the power of computers, that more sophisticated computations could be done faster, so more information could be provided for breeders – whether they needed it, or wanted it, or not.  It’s always … Read more

New Zealand farming. Hides and skins – Glossary of terms

Dr Clive Dalton Wool, Hides and Skins  Cockle: Defect in a lamb or sheep pelt  seen as nodules that have developed over the pelt surface.  Can be prevented by appropriate dipping. Dressing skin:  Woolly lamb skin, which is suitable for processing into leather after all wool has been removed. Fellmongery: Factory or department in abattoir or freezing works where wool … Read more