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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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International Women’s Day: Female African Dairy Farmers

International Women’s Day: Female African Dairy Farmers The numbers on a poster on the Health For Animal website marking International Women’s Day on the 8th March, caught my attention: two thirds of the 600 million poorest livestock keepers globally are women. 90% of the income they earn is ploughed back into their family or society. In East Africa, dairy is the biggest industry for female livestock keepers. This is a population of small holder farmers that produce milk for their family and…

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Progesterone profiles in dairy cows: what can they tell us?

Progesterone profiles in dairy cows: what can they tell us? The previous article in this series from Ridgeway Science reviewed the dairy cow oestrus cycle and we’re following that with a more detailed look at the progesterone-dominated luteal phase of the cycle, reported by Blavy and colleagues in 2016. What is Progesterone? Progesterone is a steroid hormone and is produced by the corpus luteum in the ovary after ovulation. If a cow becomes pregnant, the corpus luteum will be maintained…

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dairy|cow|ridgeway|research

What does oestrus detection have to do with economics and carbon footprints?

What does oestrus detection have to do with economics and carbon footprints? Oestrus detection Last week’s article identified the importance of accurately detecting oestrus so that time and money are not wasted unnecessarily. Wastage can occur on any scale. From the micro level – a straw will be wasted if a cow not in oestrus at AI, to the individual cow level where, for example, a cow is culled due to fertility issues related to failure to detect oestrus to…

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dairy|cow|progesterone|ridgeway|research

Progesterone: how it can be used to predict fertility in cows

The Oestrous Cycle The cows reproductive cycle is termed the oestrous cycle and consists of several phases including a luteal phase (after ovulation the corpus luteum is formed) and a follicular phase (luteolysis and ovulation)1. A healthy cow typically has a cycle between 18-25 days long, during which the progesterone levels increase and decrease systematically. What Is Progesterone? Progesterone is a steroid hormone and is produced by the corpus luteum in the ovary after ovulation. If a cow falls pregnant,…

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Ridgeway Research Ltd | Liver Fluke

Liver Fluke: A further insight into it's effect on livestock.

Liver Fluke: A further insight into it’s effect on livestock. Liver fluke infections cost the UK farming industry an estimated £300 million per year, through animal death, or decreased productivity in chronically infected animals that may show no obvious signs of disease. At Ridgeway Research Ltd we are committed to animal welfare and aiding the scientific understanding of parasite life cycles and their control. At our laboratory we maintain the Liver Fluke life cycle, producing and supplying metacercariae to Universities…

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lungworm|dog|puppy|ridgeway|research

What is Lungworm? A quick guide to lungworm in cats & dogs

What is Lungworm? A quick guide to lungworm in cats & dogs. Lungworm is a potentially fatal parasite which can infect cats and dogs and is increasingly causing disease within companion animals. This guide gives need-to-know information and tips and tricks on how to avoid your pet contracting lungworm and how to best tackle an infection. What is Lungworm? Lungworm affects both dogs and cats and is caused mainly by the worms Angiostrongylus vasorum or Crenosoma vulpis in dogs and…

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