A North Yorkshire vet has warned dog owners of the dangers of conkers as the autumn months set in.

Harrogate-based Vets for Pets practice owner and vet surgeon, Leigh-Anne Brown, says conkers and acorns pose risks to dogs during this season.

She explained the risks and the vigilance needed by dog owners to prevent harm to their pets.

Ms Brown said: "The size, shape and hard exterior of conkers makes them a serious choking hazard for dogs, and if swallowed they can cause an obstruction in the digestive system.

"They also contain a toxin called aesculin – if conkers are chewed, this can enter your dog’s system and cause serious problems.

"Acorns, which also fall from trees between September and November, contain tannins, and if enough are eaten, the effects can be serious and in rare cases lethal.

"The autumn months are also when most wild mushrooms grow – many varieties pose risks of poisoning."

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The vet also highlighted the difficulty in identifying if a dog has swallowed something dangerous, stressing the importance of recognising symptoms.

She said: "Symptoms usually appear within 1-6 hours of ingestion but can be delayed.

"Symptoms include vomiting, diarrhoea, abdominal pain, increased thirst, refusing food and restlessness.

"If you think your dog may have eaten conkers, acorns or mushrooms, you should contact your vet for advice.

"If possible, note the time and how many you think your dog may have eaten."

Ms Brown also shared her top tips for a safe autumnal walk.

She said: "There’s nothing better than letting your pooch roam free, but it’s important to be extra vigilant at this time of year, especially in damp wooded areas where conkers fall and mushrooms thrive.

"As the nights draw in, I would consider a reflective jacket or collar so you always know where your dog is exploring."