Face of the day

Inbred White Tiger Kenny

Inbred White Tiger Kenny

Today’s face of the day is going to blow your mind. Well it blew my mind anyway. Miss Whaleoil told me about a White tiger with Down’s Syndrome and I thought surely not. I found one article that claimed he had Down’s Syndrome and then another more scientific one that had another explanation. He apparently died in 2008.

Kenny is a white tiger that was ‘selectively’ inbred while in captivity in the United States. As zoos and exotic pet stores along with consumers have increased the demand for white tigers, breeders have attempted to recreate the ideal white tiger — large snout, blue eyes, white fur — by relying on a limited pool of white tigers that are in captivity.

The result? With such a limited gene pool, white tigers are born with an astoundingly high rate of deformities and health issues. For example, Kenny is mentally retarded, has significant physical limitations, and is considered the first tiger with down syndrome. The pictures, in many ways, speak to the condition that Kenny and other white tigers are in.

–pbh2.com

deformed-white-tiger

The diagnosis of Down’s Syndrome is also questionable. Down’s Syndrome results from a third copy of chromosome 21. Although a mouse model for Down’s Syndrome exists, tigers have 19 chromosomes to humans’ 23. While Kenny’s face does bear a superficial resemblance to that seen in people with Down’s Syndrome, it’s far from clear that this was the result of a third copy of any chromosome, let alone one that could be matched to our 21st.

What is clear is that Kenny was a victim of the greed of the breeding industry. White tigers are very rare. With so few of them, the genetic pool is limited, and inbreeding is an inevitable consequence. Kenny’s parents were brother and sister. Most of his siblings were stillborn, or died very young, according to Patricia Quinn, a spokesperson for Turpentine Creek Wildlife Reserve, where Kenny lived from the age of two.

A great benefit of having two copies of each of our genes is that damaging recessive mutations are seldom expressed. However, where parents are closely related there is a high chance of them both carrying the same rare version of a gene, with a one in four chance their offspring will inherit it from both sides. With enough damaging alleles in common this becomes like a repetitive game of Russian Roulette.

Despite the repeated deaths, breeders kept trying to mate Kenny’s parents. Although they eventually got two to live, Kenny and his brother Willie could not be sold because of their deformities. He died at the age of ten, around half the lifespan of a typical captive tiger.

“Kenny was non-aggressive, very friendly with our staff members and an obvious favorite with visitors because of his personality. Most people ‘fell in love’ with his friendliness combined with his strange looks. To them, and to us, he was beautiful. He shared his enclosure with his brother for the eight years that he was with us,” says Quinn.

White tigers are an extreme case, but many other species suffer when the desire for “perfect” pets leads to inbreeding. One such example is “purebreeds” of domestic dogs and horses, which suffer from many genetic problems which can shorten lifespans, or cause ongoing disability and pain.. However, the tragedy is doubled in the case of tigers, since were it not for the obsession with breeding “pure whites” these creatures could be allowed to mate with other tigers and preserve the endangered species.

-iflscience.com

 


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  • conwaycaptain

    Bit like the UK Pakistani population

    • Morse
      • conwaycaptain

        Remember that and have just re read the article.

        A friend of mine worked in Social Welfare in Jersey and she told me some pretty horrific stores from there.

        Another is a nurse in Guernsey who has worked in Medecin sans Frontieres. She tells me that in the sink estates in the UK where people haven’t worked for generations girls and boys screw around and produce kids and have no idea who the father is. 15-20 years time you will have brothers and sisters having children not knowing they are related and so on and so on until the 4th and 5th generation.

        Marrying a cousin is ok once every so often in a family tree but time after time after time is a disaster. The Pakistani population are told but the Imams say it is OK so off they go and marry the 1st cousin

  • Herbert Charles

    Yeah…. looks a bit like one of those “pure breed” dogs people pay thousands for.

  • Garbageman

    oh no someone killed Kenny -you bastards there its been said move along

  • Euan Ross-Taylor

    Was Kenny a ‘lionpig’?

    • WeaselKiss

      More likely a Piger.
      Come on Euan, keep up.

  • conwaycaptain

    There was a scandal in the UK a few years back.
    The BBC did an enquiry into Crufts Dog Show and found that breeders were breeding Sons/Daughters with Parents, Uncles/Aunt with Nieces/Nephews etc to get the best attributes that the dog show required and it was causing all sorts of problems as with Kenny.
    The thing was that the BBC were supporters of Crufts and it was a real donnybrook.
    Now I believe there are all sorts of rules and regulations. In NZ and Aus it was getting the same as the gene pool is so small in particular breeds.

  • Murray Smith

    It may not be bright but I bet it could still chew your arm off.

  • Tom

    I bet its always happy.

  • Damon Mudgway

    Bet he has a Scooby Doo lunch box with him animal heaven.

  • intelligentes candida diva

    Meow!
    Why are humans so greedy?
    Leave the animals alone, stop tampering.

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