Custom Design Coat Color Litters
· Single Color Litters
· Multi-Color Litters
· Breed Colors In or Out
· Non-Invasive
· Confidential
Breeding healthy dogs to keep your customers happy and satisfied with their new pets is tough enough. Getting the proper mix of coat colors in your line to expand their choices makes the process even more difficult. Now, with VetGen’s ChromaGene™ Coat Color Prediction Service, you can reveal your dog’s hidden color genes and then optimize your ability to get the mix you want. No more wondering if your top mating choices will give you a single color outcome. No more mating of yellow and chocolate labs only to find that all of the offspring are black. Yes, it can and does happen, and they are the right parents!

This brochure makes it easy for you to see how the major coat color genes work and how our service can help you get the puppy colors you want. It shows you how our service can help you in your breeding decisions and will guide you through the selection of the ChromaGene™ tests so that you select only the test you need. The tests are based on harmless cheek swab DNA samples that you can collect conveniently at home. The samples are sent to VetGen™ by regular mail in the convenient envelope supplied with the collection kit, and it’s so easy!

· Fill out the Order Form and send to VetGen™.

· When you receive your Sample Collection Kits, simply follow the instructions. Results giving your dog’s ChromaGene™ Type and revealing your dog’s hidden color genes will be returned within two weeks after receipt by VetGen™.

 

	If your dog is    black   Possible ChromaGene™    Types are:    I, II, III, IV.
	If your dog is    chocolate,   Possible ChromaGene™    Types are:    VIII, IX.
	If your dog is    yellow    with a black nose   Possible ChromaGene™    Types are:    V, VI.
	If your dog is    yellow    with a liver nose   Your dog is    ChromaGene™    Type VII.

  Coat Color Inheritance Chart for the Labrador Retriever ChromaGene™ Type

	I	II	III	IV	V	VI	VII	VIII	IX
I	All   Black	All   Black	All   Black	All   Black	All   Black	All   Black	All   Black	All   Black	All   Black
II	All   Black	¾ Black   ¼ Yellow	All   Black	¾ Black   ¼ Yellow	½ Black   ½ Yellow	½ Black   ½ Yellow	½ Black   ½ Yellow	All   Black	¾ Black   ¼ Yellow
III	All   Black	All   Black	¾ Black   ¼ Chocolate	¾ Black   ¼ Chocolate	All   Black	¾ Black   ¼ Chocolate	½ Black   ½ Chocolate	½ Black   ½ Chocolate	½ Black   ½ Chocolate
IV	All   Black	¾ Black   ¼ Yellow	¾ Black   ¼ Chocolate	9/16 Black   ¼ Yellow   3/16 Chocolate	½ Black   ½ Yellow	3/8 Black   ½ Yellow   1/8 Chocolate	¼ Black   ½ Yellow   ¼ Chocolate	½ Black   ½ Chocolate	3/8 Black   ¼ Yellow   3/8 Chocolate
V	All   Black	½ Black   ½ Yellow	All   Black	½ Black   ½ Yellow	All   Yellow	All   Yellow	All   Yellow	All   Black	½ Black   ½ Yellow
VI	All   Black	½ Black   ½ Yellow	¾ Black   ¼ Chocolate	3/8 Black   ½ Yellow   1/8 Chocolate	All   Yellow	All   Yellow	All   Yellow	½ Black   ½ Chocolate	¼ Black   ½ Yellow   ¼ Chocolate
VII	All   Black	½ Black   ½ Yellow	½ Black   ½ Chocolate	¼ Black   ½ Yellow   ¼ Chocolate	All   Yellow	All   Yellow	All   Yellow	All   Chocolate	½ Chocolate   ½ Yellow
VIII	All   Black	All   Black	½ Black   ½ Chocolate	½ Black   ½ Chocolate	All   Black	½ Black   ½ Chocolate	All   Chocolate	All   Chocolate	All   Chocolate
IX	All   Black	¾ Black   ¼ Yellow	½ Black   ½ Chocolate	3/8 Black   ¼ Yellow   3/8 Chocolate	½ Black   ½ Yellow	¼ Black   ½ Yellow   ¼ Chocolate	½ Chocolate   ½ Yellow	All   Chocolate	¾ Chocolate   ¼ Yellow

Now that you have tested your dog and know its ChromaGene™ Type, use this table for breeding strategies and breeding stock selection. The outer ring shows the visible coat color with the small upper right circle showing the nose color (black or liver). The inner rings show the hidden color genes carried by the dog. Entries in the table show the probabilities of producing various coat colors within a litter. For example, if your results show that your dog is a Type VI, your dog is a yellow dog with a black nose carrying the hidden genes for black and chocolate. If you were to mate your dog with a Type VIII, the resulting litter would, on the average, have half black and half chocolate puppies. These probabilities represent expectations averaged over the long run and are subject to the law of probabilities.

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Jack Vanderwyk

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