Inbreeding depression cause and effect

Inbreeding depression

“Inbreeding depression” is a euphemism for a general lack of health in an individual purebred cat which has been selectively bred (using artificial selection) for appearance, which automatically incorporates inbreeding. Cat breeders often have to inbreed their purebred cats in order to fix their appearance. This is because the appearance is held on a …

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Commercial Breeding Enterprises (CBEs) versus registered dog breeders

American Kennel Club Breeder of Merit's home

I think it is useful to look at the difference between Commercial Breeding Enterprises (CBEs) and registered dog and cat breeders. My interest in comparing these commercial enterprises came about because Nathan Winograd tells us that about 400 cities and 4 states have passed laws which ban the sale of commercially bred dogs, cats …

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Do cat breed standards encourage the breeding of obese show cats?

Abnormal cat breeds

It has been suggested that cat association breed standards might be encouraging breeders to select breeding cats with genetic traits that promote an overweight physique in order to meet the breed standard. There is a very interesting article on the Pet MD website (2015) which points to this possibility. I discuss that article below …

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Planning permission for catios, cat breeding outhouses and cat shelters (and neighbour problems)

Pictured from left to right are George, Toby, Mia, Kevin and Chester in their ‘catio’ in Blackpool

There has been a series of high-profile, media-reported examples in which individuals have failed to obtain planning permission before they operated a cat breeding facility or shelter from their home or built a catio in their front yard. In the UK it is called “planning permission”. In the USA it’s about zoning and whether …

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Inbreeding of wild cats can lead to extinctions in the wild due to unviable population sizes

Siberian tiger cub septuplets born in captivity

I feel that humankind is gradually approaching the time when we could argue that the inbreeding of some wild cat species might effectively extinguish them in the wild. Through human activity we have brought many wild cat species to their knees. The classic causes are habitat loss and direct persecution such as poaching for …

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Persian Cat Breeding

Are Persian Cats Healthy? I am afraid not.

Through Persian cat selective breeding the appearance of the cat that you know (probably the extreme Persian look) has been altered over a period of time (substantially over the last 30-40 years) resulting in a facial appearance that has been described as “pansy-like” by the Cat Fanciers’ Association (CFA), and “peeked”, “peke-faced”, “extreme”, “ultra”, …

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