Why Pets Have Surprisingly Small Brains and Treating Pet Pain?

Pets Brains

Domestication has puppified dogs, fluffified sheep, and spotified horses – but there’s a less obvious physical change that virtually all domesticated animals share: shrunken brains. Duck brains have shrunk by about 15%, cat brains by 30%, and pig brains by a whopping 35%. We’ve even found smaller brains in farmed trout which is weird, because in general, the size of animals’ brains and the size of their bodies is super tightly linked – mites have smaller brains than ants, which have smaller brains than mice, which have smaller brains than elephants, and so on.

The same relationship exists for individuals within species. So, for example, small wolves have smaller brains than big wolves, and small dogs have smaller brains than big dogs. We know that, in general, animals with bigger panic buttons have a more sensitive fight or flight response, and animals with smaller panic buttons are naturally tamer. So those are the ones we probably would have tried to domesticate and, by breeding the tamest animals with each other, we shrunk their panic buttons – and therefore their brains – even further. In short, domesticated animals have formed long-term partnerships with humanity by literally losing their minds.

How Tramadol Is Used To Treat Pet Pain?

Technically it binds to the opioid receptors within the brain, the receptors which are responsible for transmitting the sensation of pain through the body. In other words, Tramadol changes the way the body (human or animal) senses pain. It also increases the hormonal activity of serotonin and nor-epinephrine, which are commonly referred to as the ‘feel-good’ hormones. It has the same effect on pets. It is prescribed by many veterinarians to help treat and relieve pain experienced from injury, to manage pain after surgical procedures such as spay or neutering, de-claw or for help in managing pain caused by chronic conditions like arthritis. Because it works well in controlling less acute pain, it can be given in instances when your pet is in pain due to minor injuries.


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