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

10 things you may not know about coccidiosis

Coccidiosis (Eimeria) is one of the most widespread and costly livestock diseases, causing significant gut damage and production losses in lambs and calves. Coccidiosis is primarily seen in young non-immune…

HEALTH AND WELFARE

Advice on testing your flock for fluke after wet weather

Extended wet weather can increase the incidence of fluke disease in sheep flocks. Local conditions and individual farm situations will dictate the appropriate course of action, but sheep specialist Emily…

PARASITIC DISEASES

6 tips for a good livestock parasite control plan

January is the best time for livestock farmers to plan out a parasite control strategy for the year ahead. A robust and practical programme will help reduce disease burdens, economic…

PARASITIC DISEASES

The risks of using rafoxanide for liver fluke explained

Farmers are being warned about the dangers of using the flukicide rafoxanide when treating sheep and cattle for liver fluke. Rafoxanide is not currently authorised in the UK, but it…

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Case studies

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…

SHEEP

How remote parasite monitoring cuts labour and resistance

Fast and accurate faecal egg counts (FECs) are slowing the rate of anthelmintic resistance and saving on labour for a large Scottish Borders sheep operation. Farmers Weekly visited Bowhill Farming…

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Insights

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…

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…

SHEEP

Wormer trial shows faecal egg counting can cut drench costs

A research project has found using new technology and faecal egg counting can help halve drench use and save money and time. The Techion Group/Sainsbury’s project, looking at remote location…

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News

LIVESTOCK DISEASES

Prompt action on liver fluke could limit autumn disease

Graziers should monitor livestock for signs of fluke and act on test results now to prevent disease risk later in the year. If action is not taken and appropriate flukicides…

HEALTH AND WELFARE

Lambs born in early spring at risk of nematodirus

Nematodirus has been diagnosed in 12-week-old lambs in County Durham, killing two and resulting in mild, dark scour in others. Postmortem examination revealed worms and eggs in the gut (highlighted…

HEALTH AND WELFARE

Silage can pose a liver fluke risk, study shows

Liver fluke can survive in silage unless it is well fermented, a study carried out at Liverpool University has shown.  Liver fluke is a parasite that affects cattle and sheep.…

PARASITIC DISEASES

Vets back vaccination as lungworm cases jump 44% in 2019

Graziers worried about late season lungworm challenge should investigate their options for vaccination, leading vets advise in response to a recent rise in cases. The Animal and Plant Health Agency…

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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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