Anthelmintic Resistance

Overstocking horses in a field increases risk of parasites

Parasites in Spring: 4 Equine Parasites to Watch Out For

4 Common Equine Parasites Your Horses Might Have Internal parasites are a common in the lives of most grazing animals. They are often consumed along with grass, feed or water, and then make their way into various internal organs. While many parasites can infect horses, there are only a few that cause, or can cause, significant health problems. Many of these can be identified though faecal egg counts (FEC). 1. Large redworms Large redworms, or large strongyles are some of…

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Spring Pastures

Spring Pastures: What to consider before letting your animals out to pasture With lambing season upon us, there are many things to consider when grazing animals. Many cattle herds and sheep flocks are housed indoors over the winter months for various reasons. I’m sure they wouldn’t be too fond of the recent snow flurries that we’ve had! Indoor housing during the winter months provides protection from the elements and cold conditions, as well as conservation of energy that would have…

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Anthelmintics: when should I use a wormer?

Anthelmintics: when should I use a wormer? What are Anthelmintics? Anthelmintics or wormers are widely used across the globe, and a lot of the time can be misused causing resistance issues. Anthelmintics are drugs used to treat infection with nematodes (roundworms like Ascaradia galli in chickens), cestodes (tapeworms like Moniezia expansa in sheep) and trematodes (flukes like Calicophoron daubneyi in livestock). How do I know which wormer to use? Firstly, how do you know your animals need to be wormed? Have you noticed symptoms or seen…

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An introduction to equine pinworm (Oxyuris equi).

An introduction to equine pinworm (Oxyuris equi). What is pinworm? Oxyuris equi is a common horse pinworm that affects the equine population across the world.  The nematode has a direct life cycle with no intermediate host. It resides in the large intestine where, after mating, adult females migrate out through the anus to lay their eggs onto the perianal skin. The eggs are covered with a sticky fluid and after 3 to 5 days have developed into infective larvae. This…

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lungworm|cow|calve|RRL

Risk of lungworm in unvaccinated calves and cattle

Risk of lungworm in unvaccinated calves and cattle What is Lungworm? Lungworm is a nematode that can affect many species of animals including sheep, cattle, deer, goats and horses. Each species typically has associated species of lungworm that it is susceptible to. The bovine lungworm called (Dictyocaulus viviparus) is the most common cause of lungworm in cattle. Depending on species, lungworms reside in the bronchi and bronchioles of the lungs (and sometimes heart) where they lay eggs. These eggs are…

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UK Parasite Watch July Edition: Parasitic Gastroenteritis (PGE)

UK Parasite Watch July Edition: Parasitic Gastroenteritis (PGE) What is PGE? Sheep Parasitic Gastroenteritis or PGE is one of the biggest challenges to the welfare and economic value of keeping sheep, being the most commonly diagnosed cause of mortality in young lambs in England and Wales. As the infective period progresses eggs will be shed onto pastures by infected animals. High pasture burdens may lead to disease and reduction in welfare and profit. What causes PGE? The causative agents of…

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Adapting to the loosening of COVID-19 lock down and preparing for the return to the new “normal”.

Adapting to the loosening of COVID-19 lock down and preparing for the return to the new “normal”. As we reported in our ‘News’ in April 2020, Ridgeway has been open for business throughout lock down. The Parasitology Laboratory has been very busy sourcing new parasites whilst maintaining both of its Liver and Rumen Fluke snail colonies. What’s been happening at RRL? As the UK and countries in Europe are gradually loosening the movement restrictions resulting from the COVID-19 Pandemic, the…

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Dictyocaulus filaria – A potential cause of coughing sheep

Dictyocaulus filaria – A potential cause of coughing sheep What is Dicytocaulus filaria? One or two sheep coughing in a flock – particularly a harsh dry cough – could be a sign of Dictyocaulus filaria infection. This is a “lungworm” with the adult worms that measure some 4 – 10cm in length – living in the bronchi and causing bronchitis. Unlike other lungworms in sheep, this lungworm has a direct life cycle with larvae passed in droppings developing into infective larvae on pasture. Other…

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CRO_research&development

The shifting nature of veterinary pharmaceutical R&D delivery…a new niche opportunity

The shifting nature of veterinary pharmaceutical R&D delivery…a new niche opportunity Increasingly, large pharmaceutical companies are evolving their business strategies and are incorporating outsourcing of R&D as a norm. Traditionally, large pharma companies would operate in house R&D activities. Nowadays, a multifaceted approach exists for delivering new technologies incorporating in house R&D activities; use of contract research organisations (CROs); and utilising venture capital funded start-up companies. Why are veterinary pharmaceutical companies moving to favour outsourcing of R&D? Companies are moving…

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