Know How / Parasitic diseases

Find out more about parasitic diseases in cattle and sheep. See alerts for seasonal diseases such as blowfly and fluke. Check symptoms, treatments and prevention for coccidiosis and cryptosporidium in calves, how to test for wormer resistance, take faecal egg counts and control sheep scab.

Advice and tips

PARASITIC DISEASES

Six-step guide to help sheep farmers cut parasite risk

A quarantine guide to help sheep farmers assess the potential risks to consider when bringing animals into a flock has been produced by the Sustainable Control of Parasites in Sheep…

SHEEP

Is cryptosporidiosis affecting your lamb performance?

Cryptosporidiosis is a parasitic infection affecting sheep that can restrict growth and increase finishing times, despite typically only affecting lambs in their first 10 days of life. It often falls…

LIVESTOCK

Sheep scab: Symptoms, diagnosis and treatment

Sheep scab is a major threat to the sheep industry, impacting on growth rates and causing serious welfare implications. Its prevalence has increased in the past 20 years following its…

SHEEP

A guide to working out drench resistance in your flock

Testing for anthelmintic resistance in sheep is important to get parasites under control. We talk to Ben Strugnell of Farm Port Mortems, County Durham, to find out the best way…

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Case studies

SHEEP

How shearing lambs can improve growth and reduce labour

Removing the fleeces of lambs is helping lift growth rates and improve flock management on a Welsh farm. Debbie James reports. Shearing every lamb in its first summer is increasing growth rates by up to 20g a…

PARASITIC DISEASES

Sheep farmer sees four clear benefits of plunge-dipping

Safe and efficient plunge-dipping is a key part of a thorough flock health plan for Northumberland commercial lamb producer Selby North-Lewis. Always a big believer in plunge-dipping, Mr North-Lewis’ flock,…

HEALTH AND WELFARE

How Borders flock is using targeted selective treatments

Selective treatments as part of a responsible wormer programme have seen a Scottish Borders farm slash ewe drenching and keep old actives working. The Logans, who won Farmers Weekly's Sheep…

PARASITIC DISEASES

Faecal egg count trial cuts wormer use on Welsh sheep farms

Sheep farms that have adopted faecal egg counting (FEC) to monitor parasite burdens have reported a big reduction in the frequency of wormer treatments needed. The sheep farms were taking…

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Insights

HEALTH AND WELFARE

Study reveals how to treat goats more effectively for worms

Taking part in a study into drench resistance has given goat farmers Damian and Meg McNamara the confidence to graze goats by picking up parasite burdens early before they spiral…

HEALTH AND WELFARE

Parasite project helps dairy farm to improve worm control

A Ceredigion dairy farm is revising worming protocols for its replacement heifers after a parasite control research project detected early stage resistance to clear wormers.   The Jenkins family, who milk…

HEALTH AND WELFARE

Study shows financial impact of crypto in beef herd

Cryptosporidiosis in young calves causes significant long-term weight loss and incurs huge economic costs, according to a study carried out in Scotland. The study, at Moredun Research Institute and The…

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News

SHEEP

Sheep sector calls for newer wormer use as resistance rises

Sheep farmers are being urged to start using the newer group 4-AD and 5-SI wormers to help slow an alarming rise in wormer resistance.   In an open letter to…

SHEEP

Graziers warned to assess nematodirus risk as threat rises

Sheep farmers should consider five key factors to gauge nematodirus risk on their holding as the threat of the disease rises across the country, warn livestock advisers.    This follows…

PARASITIC DISEASES

Liver fluke test advice issued amid rising cases

Farmers should test and monitor cattle and sheep for liver fluke after periods of mild and very wet winter weather, vets are warning, amid widespread evidence of infection.   This…

SHEEP

Scops issues latest advice on worming ewes for spring rise

Farmers worming ewes to manage the spring rise should leave fit ewes untreated to slow anthelmintic resistance in light of new research linking low body condition with the peri-parturient rise…

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Video

HUSBANDRY

Video: Step-by-step guide to administering cattle pour-ons

Correct use of pour-on products increases the chance of the active drug working and limits drug resistance development. This is according to vet Miranda Timmerman of ProStock Vets, Carmarthenshire, who…

PARASITIC DISEASES

Video: How farmers are uniting to eradicate sheep scab

Sheep scab is a huge problem and if left untreated can affect a sheep's health and severely impact a sheep business. One mite is enough to spread the disease and…

LIVESTOCK

Video: How automated drench gun could cut resistance

Newton Rigg College is one of the first places in the country to be using an automated drench gun, which administers the correct dose of medicine based on the exact…

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