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  #1  
Old 10-03-2008, 01:02 AM
ashleywong ashleywong is offline
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Smile Breed Profile : SIAMESE

The following pic is extracted from The Cat Fanciers' Assocation website.

Breed Profile: Siamese

Siamese

Siamese have fascinated folks around the world since they were first officially exported from Thailand, or as it was known then Siam, in the late eighteen hundreds. Their sleek lines, striking color contrast, finely chiseled aristocratic heads, deep blue almond eyes, and short silky coats make them living art. Combine this beauty with acute intelligence, inquisitive personality and a loving nature and you have the essence of the Siamese cat.

The first Siamese to appear in England were a gift from Siam to an ambassador who brought them home. They began appearing in English cat shows almost immediately, and in American shows by the early twentieth century.

Seal points, still the best known variety, were the first to arrive. With their seal brown, almost black extremities and their pale fawn bodies, they were sensational. While chocolate points, with creamy white bodies and milk chocolate legs, tail, mask and ears did appear from time to time, it was the blue point that gained official recognition in 1934. The blue point has a bluish-white body with slate blue points. The chocolate point was recognized next. In 1955 the lilac point followed and completed the breed. The lilac point has pinkish gray points with a white body which makes it most ethereal and delicate in color.


While color is a prominent feature of this breed, structure is also important. The Siamese is a study in length. From the start the breed standard has called for a long, wedge shaped head and elongated body lines. The muscular, tubular body is supported by long legs and graced by a long neck and tail. Paradoxically the short, close lying coat accentuates the long lines perfectly.

The long Siamese head is delineated by an absolutely straight profile and well aligned chin. From the front, the outline of the face presents a smooth wedge with large ears that complete the wedge. The outstanding feature of the head is the pair of deep blue almond eyes (an eye’s width apart) which are set at a slant. If you have been able to resist all the other attributes of this breed, the eyes will captivate you. They radiate intelligence and emotion.

This ancient breed, perhaps the oldest of all our cats, is able to communicate like no other. The Siamese voice is legendary. They speak both with their voice and with their body. They are the quintessential “people” cat, for they love to be in your lap, on your bed, at your table--and in your heart!


Pricing on Siamese usually depends on type, applicable markings and bloodlines distinguished by Grand Champion (GC), National or Regional winning parentage (NW or RW) or of Distinguished Merit parentage (DM). The DM title is achieved by the dam (mother) having produced five CFA grand champion/premier (alter) or DM offspring, or sire (father) having produced fifteen CFA grand champion/premier or DM offspring. Usually breeders make kittens available between twelve and sixteen weeks of age. After twelve weeks, kittens have had their basic inoculations and developed the physical and social stability needed for a new environment, showing, or being transported by air. Keeping such a rare treasure indoors, neutering or spaying and providing acceptable surfaces (e.g. scratching posts) for the natural behavior of scratching (CFA disapproves of declawing or tendonectomy surgery) are essential elements for maintaining a healthy, long and joyful life.

There are CFA clubs devoted to the promotion, protection and preservation of the Siamese breed.
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  #2  
Old 10-21-2008, 09:49 AM
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Default Re: Breed Profile : SIAMESE

Siamese Cat Genetics


Cats have 19 pairs of chromosomes. Chromosomes are located in the nucleus of each cell, chromosomes make up the blueprint of animals. The chromosomes are made up of genes. Genes come in pairs, one from each parent. Each gene is responsible for a single feature, or a group of features. One pair of chromosomes determines the cat's sex. A female has two X chromosomes, and a male will have one X & one Y chromosome.
Siamese cats carry a gene known as the Himalayan gene. This gene is seen in other species, such as the rabbit & the mouse. It is a mutation at the C locus & it causes partial albinism. This gene is recessive to the full colour C gene. This means you need two doses of it (homozygous) for the Siamese colour to show up. If you mate a Siamese to a Siamese, you will get Siamese offspring. If you mate a Siamese to a black cat, you will get black offspring which will carry one dose of the Siamese (cs) gene at the C locus.
The Burmese also shares the same type of gene, which is known as cb.
The cs & cb genes are co-dominant and hence if you mate a Siamese (cs) to a Burmese (cb) you will get a Tonkinese (cs/cb), which has "mink" colouring.
This gene is heat sensitive, the cooler the area, the darker the colour. Which explains why a Siamese has dark extremities such as the face, tail & legs. The body being the warmest part of the cat remains lighter in colour. You will notice your Siamese get darker in the winter months, especially if your Siamese is an indoor/outdoor cat. Siamese cats are white at birth, this is due to being in the constant warmth of the mothers womb. This colouring varies from Siamese to Siamese.
Genetically, a seal point Siamese is a black cat. But the Himalayan gene inhibits the full expression of the pigment.
The albino allele has another effect on the Siamese cat. Strabismus (crossed eyes) is sometimes seen in the Siamese cat. This is thought to be due to a misrouting of the nerve fibres from the eye to the brain. Instead of the fibres splitting left & right, they criss-cross, this is believed to be contributory to strabismus. This condition is not only seen in Siamese cats, but other species of true albino animals. Breeders have worked hard to breed this problem out of Siamese cats.


Seal Point
(aa BB DD oo cscs) (aa=non agouti, BB=black,DD=dense,oo=non orange, cscs=Siamese)
Chocolate Point
(aa bb DD oo cscs) (aa=non agouti, bb=chocolate, DD=dense, oo=non orange, cscs=Siamese)
Blue Point
(aa BB dd oo cscs) (aa=non agouti, bb=blue, dd=dilute, oo=non orange, cscs=Siamese)
Lilac Point
(aa bb dd oo cscs)(aa=non agouti, bb=lilac, dd=dilute, oo=non orange, cscs=Siamese)
Note how the dd (dilute) gene changes the darker Seal & Chocolate colours into the paler Blue & Lilac.
The outward appearance of a cat is known as the Phenotype. The internally coded, inheritable information is known as the Genotype. So, while a Seal Point Siamese will carry the gene for Seal Point colouration, it may also carry a gene for "Blue Point".
By looking at a cat's pedigree we will get a good idea of the cat's "genotype". We can also predict what colour kittens to expect from a mating between Siamese cats.
We know that Blue Point is a dilute of Seal Point & that Lilac Point is a dilute of Chocolate. Dilution is recessive to non dilution. The dilution gene is represented by the letter "d". The mutant form of dilution is Dm (dilute modifier). This is dominant to the dilute gene. Dm only works where there is already a dilute colour.


Last edited by Bareen; 10-21-2008 at 09:55 AM.
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  #3  
Old 11-06-2008, 03:10 PM
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Default Re: Breed Profile : SIAMESE

.:: ---> http://www.travelswithtigger.com/fan...amese-faq.html, http://www.pictures-of-cats.org/siam...-breeders.html::.
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Old 11-06-2008, 03:19 PM
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Default Re: Breed Profile : SIAMESE

Quote:
Originally Posted by Bareen View Post
Siamese Cat Genetics


Cats have 19 pairs of chromosomes. Chromosomes are located in the nucleus of each cell, chromosomes make up the blueprint of animals. The chromosomes are made up of genes. Genes come in pairs, one from each parent. Each gene is responsible for a single feature, or a group of features. One pair of chromosomes determines the cat's sex. A female has two X chromosomes, and a male will have one X & one Y chromosome.
Siamese cats carry a gene known as the Himalayan gene. This gene is seen in other species, such as the rabbit & the mouse. It is a mutation at the C locus & it causes partial albinism. This gene is recessive to the full colour C gene. This means you need two doses of it (homozygous) for the Siamese colour to show up. If you mate a Siamese to a Siamese, you will get Siamese offspring. If you mate a Siamese to a black cat, you will get black offspring which will carry one dose of the Siamese (cs) gene at the C locus.
The Burmese also shares the same type of gene, which is known as cb.
The cs & cb genes are co-dominant and hence if you mate a Siamese (cs) to a Burmese (cb) you will get a Tonkinese (cs/cb), which has "mink" colouring.
This gene is heat sensitive, the cooler the area, the darker the colour. Which explains why a Siamese has dark extremities such as the face, tail & legs. The body being the warmest part of the cat remains lighter in colour. You will notice your Siamese get darker in the winter months, especially if your Siamese is an indoor/outdoor cat. Siamese cats are white at birth, this is due to being in the constant warmth of the mothers womb. This colouring varies from Siamese to Siamese.
Genetically, a seal point Siamese is a black cat. But the Himalayan gene inhibits the full expression of the pigment.
The albino allele has another effect on the Siamese cat. Strabismus (crossed eyes) is sometimes seen in the Siamese cat. This is thought to be due to a misrouting of the nerve fibres from the eye to the brain. Instead of the fibres splitting left & right, they criss-cross, this is believed to be contributory to strabismus. This condition is not only seen in Siamese cats, but other species of true albino animals. Breeders have worked hard to breed this problem out of Siamese cats.


Seal Point
(aa BB DD oo cscs) (aa=non agouti, BB=black,DD=dense,oo=non orange, cscs=Siamese)
Chocolate Point
(aa bb DD oo cscs) (aa=non agouti, bb=chocolate, DD=dense, oo=non orange, cscs=Siamese)
Blue Point
(aa BB dd oo cscs) (aa=non agouti, bb=blue, dd=dilute, oo=non orange, cscs=Siamese)
Lilac Point
(aa bb dd oo cscs)(aa=non agouti, bb=lilac, dd=dilute, oo=non orange, cscs=Siamese)

Note how the dd (dilute) gene changes the darker Seal & Chocolate colours into the paler Blue & Lilac.
The outward appearance of a cat is known as the Phenotype. The internally coded, inheritable information is known as the Genotype. So, while a Seal Point Siamese will carry the gene for Seal Point colouration, it may also carry a gene for "Blue Point".
By looking at a cat's pedigree we will get a good idea of the cat's "genotype". We can also predict what colour kittens to expect from a mating between Siamese cats.
We know that Blue Point is a dilute of Seal Point & that Lilac Point is a dilute of Chocolate. Dilution is recessive to non dilution. The dilution gene is represented by the letter "d". The mutant form of dilution is Dm (dilute modifier). This is dominant to the dilute gene. Dm only works where there is already a dilute colour.

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  #5  
Old 11-11-2008, 12:02 PM
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Default Re: Breed Profile : SIAMESE

.:: Puteh...
  1. Pict 1: Was taken on 28/06/2008. 2 days after we adopted him. Masa ni dia dah umur 4 bulan ++.
  2. Pict 2: Was taken on 29/07/2008. Kaler coklat tu dah mula nmpk.
  3. Pict 3: Was taken on 09/11/2008. Kaler coklat tu semakin gelap... May be ikut cuaca kot...
  4. Pict 4: Was taken on 29/10/2008.
Apa pun baka dia, gue tetap sayang kamu... ::.
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Last edited by Mr & Mrs Mondok; 11-11-2008 at 04:11 PM.
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Old 11-11-2008, 01:32 PM
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Smile Re: Breed Profile : SIAMESE

my Manja..

I think she's mix of Siamese n DSH.. but sometimes oso confuse like Ragdoll + DSH cos muka nmpak lain.. huhu..

obviously SEAL POINT kan...?
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Old 11-11-2008, 01:42 PM
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Default Re: Breed Profile : SIAMESE

Quote:
Originally Posted by meowbaby View Post
my Manja..

I think she's mix of Siamese n DSH.. but sometimes oso confuse like Ragdoll + DSH cos muka nmpak lain.. huhu..

obviously SEAL POINT kan...?
.:: Hehehe!!! Last pict mengerikan.. Nmpk garang la muka dia... Tapi tetap cute... ::.
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Old 11-11-2008, 03:37 PM
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Default Re: Breed Profile : SIAMESE

how about my berd tong chai?

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Old 11-11-2008, 04:00 PM
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Default Re: Breed Profile : SIAMESE



This cat is more to Malaysiana/Kuching Malaysia.
Muka dia ada tanda putih dan kaki tidak gelap.
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Old 11-11-2008, 04:11 PM
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Default Re: Breed Profile : SIAMESE

mine punya gelap skit...as shown.
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Old 11-11-2008, 04:20 PM
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Default Re: Breed Profile : SIAMESE

Quote:
Originally Posted by firdaruddin View Post
how about my berd tong chai?

Tong Chai ni memang CP Seal Point. Sedara ngan kucing aku si Chart Chai .

Kalau nak maintain kan kaler putih tu tak blend dengan warna kaki, kena senentiasa keep the body warm. Pada suhu sejuk, kaler dia akan mudah jadi lebih gelap.

Kalau mata CP tu tidak biru, dia jadi Burmese di mana kaler badan lebih sekata. Kalau mata dia aqua, kaler badan gelap tapi cerah bahagian dada dia jadi Tonkinese. Initially, masa kecik mereka nampak sama dan berubah mengikut usia.

Actually, siamese mate ngan Burmese dapat anak Tonkinese, Siamese dan Burmese. Ini disebabkan oleh gene siamese cscs dan gene Burmese cbcb, menghasilkan anak Tonkinese cscb, anak siamese cscs dan anak burmese cbcb.
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Old 11-12-2008, 09:15 AM
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Quote:
Originally Posted by Mr & Mrs Mondok View Post
.:: Hehehe!!! Last pict mengerikan.. Nmpk garang la muka dia... Tapi tetap cute... ::.
mmg garang pun dia..dgn my other cats or stray cats luar dia mmg garang..dtg dekat pun dia start bising,kurus2 camtu pun garang oo.. tp ngan human dia manja lentok gile punye.. hehe.. dats nama dia manja..
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Old 12-17-2010, 02:34 PM
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Default Re: Breed Profile : SIAMESE

Sesiapa blh bagitau my baby ni jenis apa yer?
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Old 12-22-2010, 06:43 AM
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Default Re: Breed Profile : SIAMESE

Quote:
Originally Posted by ashleywong View Post
The following pic is extracted from The Cat Fanciers' Assocation website.

Breed Profile: Siamese

Siamese

<snip>

Seal points, still the best known variety, were the first to arrive. With their seal brown, almost black extremities and their pale fawn bodies, they were sensational. While chocolate points, with creamy white bodies and milk chocolate legs, tail, mask and ears did appear from time to time, it was the blue point that gained official recognition in 1934. The blue point has a bluish-white body with slate blue points. The chocolate point was recognized next. In 1955 the lilac point followed and completed the breed. The lilac point has pinkish gray points with a white body which makes it most ethereal and delicate in color.


.
Perhaps it'd be good to clarify that the info above is not strictly applicable to the other cat bodies; CFA has a different policy on Siamese colour and pattern (and breeding policy) than the others. Red, cream, tortie and tabby points in all their permutations are also Siamese to the rest of the world and some also recognise bicolour points ("Seychellois" in FIFe).
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