Cookie use on MRCVSonline
We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive all cookies.
If you would like to forward this story on to a friend, simply fill in the form below and click send.

Your friend's email:
Your email:
Your name:
 
 
Send Cancel
Virgin birth found in wild vertebrates
First time "evolutionary novelty" found in wild animals

Researchers in the US have found a form of virgin birth in wild vertebrates for the first time, after genetically analysing pregnant females from two snake species.

They found that North American pit vipers reproduced without a male in a phenomenon called facultative parthenogenesis, previously only found in captive species, and scientists say the findings could change our understanding of animal reproduction and vertebrate evolution.

Thought to be extremely rare for normally sexual species, asexual reproduction was first identified in domestic chickens and, in recent years, reported in a few snake, shark, lizard and bird species.

However, all such "virgin births" have occurred in captivity to females kept away from males, and have in general been considered "evolutionary novelties."

Professor Warren Booth, from the University of Tulsa, Oklahoma, worked with a team to investigate virgin births in copperhead and cottonmouth female pit-vipers, where males were present.

Professor Booth, lead author of the paper published in the Royal Society's Biological Letters, said of the: "I think the frequency is what really shocked us. That's between 2.5 and 5% of litters produced in these populations may be resulting from parthenogenesis."

He added: "That's quite remarkable for something that has been considered an evolutionary novelty."

Become a member or log in to add this story to your CPD history

New FECAVA membership card honours Saki Paatsama

News Story 1
 The Federation of European Companion Animal Veterinary Associations (FECAVA) has paid tribute to Finnish vet Saki Paatsama (1918-1998) on its new membership card.

Considered a true visionary and one of the fathers of veterinary surgery and orthopaedics, Dr Paatsama taught all aspects of surgery at the Helsinki Veterinary School for many years.

He was also actively involved in numerous organisations including the WSAVA, FECAVA, ESVS, ESVOT and the International kennel club (FCI).   

News Shorts
VMD stakeholder workshops to discuss Brexit implications

The Veterinary Medicines Directorate (VMD) has announced that it is to hold stakeholder group workshops to discuss the implications of EU exit.

The workshops will be held during Autumn 2017 and will discuss topics such as the prescribing cascade, pharmacovigilance and inspection of non-UK based manufacturers.

To register your interest, send an email to events@vmd.defra.gsi.gov.uk, including any topics, in order of preference, that you would like to be discussed.