Dr Tufnell, who was elected to the role in 2022, said he made the decision due to an increased workload and staffing challenges. He will be focusing on his work as an equine clinician.
There will be an election to replace Dr Tufnell in the summer. Until then, Fellowship vice-chair Dr Niall Connell will be interim chair.
The series, previously hosted by the late Paul O'Grady, follows the rescue animals cared for by Battersea.
Ms Hammond said: "I am very aware that I can never replace the iconic Paul in this wonderful series, but if I can continue to shine a light on the brilliant work done at Battersea and help to tell the stories of these beautiful dogs, then it will be an absolute privilege to give it my all."
In the letter, BVA president Anna Judson wrote: 'Although it is due to come into force on 1 February 2024, and has been carried over into the current parliamentary session, it has yet to be allocated parliamentary time in the House of Commons.'
A Defra spokesperson said: "We remain committed to delivering our pledge to ban the use of hand-controlled electric shock collars. Parliamentary business will be announced in due course."
Although Dr Muir finished fourth, winner Yelena Korobkina has been found guilty of doping offences and her results from July 2013 to July 2016 have been expunged.
Dr Muir told Scottish Athletics: "Missing out on that special moment, especially as I was not on the podium on the night, was very difficult. But, looking back, it made me more determined than ever to ensure the same outcome didn't happen for future championships. Which luckily has been the case!"
The instructions form part of the RCVS' Under Care Guidance, which was largely implemented in September, but anti-parasitic rules were delayed after feedback from the profession.
When prescribing anti-parasitic POM-Vs, patient records should include enough information that any person supplying it knows what to do.
Full information on the guidance here.
This brings the total number of bluetongue cases in the UK to 27. There is no evidence that it is circulating in midges.
There are movement restrictions to animals in zones displayed on an interactive map.
APHA is asking people to continue to look for and report new cases of the disease.
Resources are available for free on a range topics, covering areas such as health, nutrition, behaviour, and environment.
Rebecca Boulert, World Horse Welfare research and education officer, said: "We are fortunate that we are able to bring up-to-date, evidence-based advice and guidance into the public forum, with the support of a range of industry experts and professionals."
The advice pages can be accessed here.
The National Search and Rescue Dog Association (NSARDA) announced on Facebook that he had died from cancer.
The border collie joined the team in 2011 at eight weeks old. During his career, he helped in over 250 searches.
Red retired in 2022, due to his diagnosis. Despite a prognosis of six weeks to six months, he lived for 12 months.
He will join Lord Trees as a representative of the veterinary sector in the second chamber of the UK parliament.
Lord Russell said: "Those of us working in the animal health and veterinary sectors are only too aware of the importance of the work we do and the challenges we face.
"I will use my platform in the House of Lords to increase understanding of our sectors and to promote positive change."
Dr Niall Connell was elected as vice-chair, Professor Richard Piercy was elected as chair of the Credentials Panel for Meritorious Contributions to Knowledge, and Andrew Robinson was re-elected as chair of the Credentials Panel for Meritorious Contributions to the Profession.
Dr Connell said: "I'm delighted to be part of the Fellowship Board team. I'm very much looking forward to doing my best to work with Chris [Tufnell] our chair, the board, and the Fellowship for the benefit and advancement of our professions."
Dr Andy Cope, a mental health and wellbeing expert, will be the keynote speaker.
VMG director Liz Somerville said: "Building on the success of our 2023 Congress, VMG is committed to giving our delegates access to vibrant and innovative speakers, who offer relevant content to support them in their goals as leaders, managers and business owners."
Full details of the programme can be found on the VMG website.
Although some people believe that they are providing food to help wildlife, the charity says that pumpkins can actually be harmful.
Chris Hogsden, manager at The National Wildlife Rescue Centre, said: "Pumpkins aren't a natural food source for most of our native wildlife and, as with any food source that is not natural, it has the potential to makes animals such as hedgehogs, foxes and badgers unwell.
"More importantly, there may be a disease risk especially if they have been decorated with man-made substances or have contained candles and other items that may not have been removed from the pumpkin shell."