Viewers of Countryfile were taken aback by an unexpected scene in the latest episode of the BBC wildlife show. On Sunday (February 23), presenters Adam Henson and Charlotte Smith led the programme as they travelled to the prestigious Stirling Bull Sales in Scotland, a highlight of the farming calendar.

Over two days, the hosts observed around 300 pedigree bulls at the sales auction, a spectacle that attracts thousands of buyers, sellers, and enthusiasts eager to see and bid on the country's best livestock. During the early evening broadcast, Adam teamed up with local farmer Graeme Fraser to prepare his prized Aberdeen Angus bulls for sale, following their journey throughout the event.

Meanwhile, Charlotte explored the buying process, learning how bidders catch the auctioneer's eye and secure a top-quality bull for their herds, according to the Express. Viewers also had the chance to meet the woman behind the camera capturing stunning images of the prize bulls, and gain insight into the dedicated caterers, vets, and auctioneers who ensure the event runs smoothly.

Adam Henson on BBC Countryfile (generic picture)
Countryfile's Adam Henson has hinted that he may not be the favourite person of one of his BBC colleagues

However, viewers' attention was diverted when Adam shed light on the stringent criteria the bulls must meet to enter the auction, including a rigorous health inspection with vet Charles Marwood.

He began by explaining: "This is the business end really, it's really important that the bulls have two fully descended testicles which are symmetrical with no lumps or bumps and then we measure the testicles. Each breed varies with age and circumference, and this one is 43 centimetres". When Adam asked: "Is that good? " the vet confirmed: "Yes, that's above average for his breed.", reports the Mirror.

Adam added: "And actually, that's where the money is actually, isn't it? Because he's going to produce calves, so that's essential".

The vet concluded: "This guy next year should be settling 95% of his females over a nine-week period so if he's not good down there then he won't be reaching those figures".

The unexpected inspection certainly took viewers by surprise, who voiced their reactions on X-formerly known as Twitter. One user posted, "There needs to be a trigger warning for this show in future #countryfile."

Another agreed: "I was eating my tea in front of that #countryfile" while another quipped: "#countryfile How to mix a load of bull with a load of b***s [cry-laughing emoji]."

However, some viewers appreciated the episode, with one fan remarking: "Really enjoyed this episode, great atmosphere in the sale ring #countryfile #stirlingbullsales."

Following the episode, Adam revealed that several of Graeme's bulls were awarded a rosette at auction, making it the most successful visit he's ever had in his farming career.