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DNA study offers fresh insights into pig muscle growth
The findings could be used to predict muscle growth in developing pigs.
Researchers hope their findings will help to support breeding selection programmes.

New research revealing insights into pig muscle development could lead to new tools to inform breeding selection.

The findings are published in G3: Genes, Genomes, Genetics by a team from the Roslin Institute and the Centre for Tropical Livestock Genetics and Health.

In the study, researchers analysed DNA in frozen tissue samples from muscle in piglets at various stages of development. Through this, they were able to pinpoint regions of DNA that control activity in genes linked to muscle growth and study activity in these genes. 

The scientists noted variations in regions of DNA between small and large piglets, suggesting a difference in how DNA is regulated, which subsequently governs muscle growth between large and small piglets. 

It is hoped the findings could help to predict muscle growth in developing pigs, to produce litters with fewer very small piglets. The improved knowledge could also underpin research into other areas of pigs' development, health and welfare.

Looking ahead, the team hopes to identify variations in the genetic code of pigs associated with growth and better understand how these differences regulate the activity of genes involved in muscle development to inform pig breeding programmes.

They also hope to apply their method of analysing frozen tissue to investigate how the genetic code of livestock controls their characteristics. The use of frozen tissues samples can also help to limit the number of animals used for research. 

Dr Emily Clark, from the Roslin Institute, explains: “Pigs are widely farmed and it is important that we understand their biology, including detailed knowledge of their genetic code. Our findings help to improve understanding of the pig genome and will support further research to aid breeding selection programmes.”

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Strangles survey seeks views of horse owners

News Story 1
 With Strangles Awareness Week just around the corner (5-11 May), vets are being encouraged to share a survey about the disease with their horse-owning clients.

The survey, which has been designed by Dechra, aims to raise awareness of Strangles and promote best practices to prevent its transmission. It includes questions about horse owners' experiences of strangles, together with preventative measures and vaccination.

Respondents to the survey will be entered into a prize draw to win two VIP tickets to Your Horse Live 2025. To access the survey, click here 

Click here for more...
News Shorts
Vivienne Mackinnon elected BVA Scottish Branch President

The British Veterinary Association (BVA) has elected Vivienne Mackinnon as its new BVA Scottish Branch president.

Dr Mackinnon has over 30 years of experience in veterinary care, encompassing both small animal and mixed practice. She has worked in practices in Scotland, England, New Zealand and Australia, before joining APHA to work in frontline disease control.

In her speech, Dr Mackinnon reflected on the changes in Scotland's veterinary industry and highlighted her commitment to veterinary education.

Dr Mackinnon said: "I look forward to working with colleagues across the veterinary professions to improve animal health and welfare in the country and support veterinary workplaces."