Mammary gland tumor in dogs

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May 18, 2012 23:25
Mammary grand tumor occurs very frequently in unspayed female dogs.
It accounts for about 50% of all cancer in dogs.
And 50% of Mammary gland tumor is malignant.
25% of all female dogs will have this cancer.
But, the dog who spayed before first estrus havs the risk of Mammary gland tumor less than 1%.