A normal, annoying, sometimes disappointing, and dangerous behavior pattern seen
in unspayed female dogs is pseudopregnancy (also called false pregnancy or pseudocyesis).
Pyometra
In unspayed female dogs, pyometra, or a severe uterine infection, causes increased loss of fluid through the kidney and a compensatory increase in water consumption.
Mammary neoplasia (cancer of the mammary glands) is seven times more likely
in unspayed female dogs than in those that have been spayed; the incidence of this cancer ranges from 3.4 % to 13 %.
And I'm afraid I'm going to go with the opinion of my very well educated, very experienced veterinarian with regard to mammary tumors, which he said he's rarely ever seen in an animal that was spayed at a young age, but has seen many, many times
in unspayed female dogs.
In unspayed female dogs, mammary gland tumors are among the most common tumors and at least 50 % are cancerous.
Mammary gland («breast») tumors are the most common type of tumor
in the unspayed female dog.
Not exact matches
Mammary (breast) tumors are also a problem
in older
female dogs that remained
unspayed or were spayed late
in life.
Inguinal hernias can also occur
in unspayed, middle - aged
female dogs.
It occurs
in older intact
female dogs, but can also occur
in unspayed dogs of any age.
An
unspayed female dog and her puppies can produce 67,000 puppies
in six years.»
An
unspayed dog can have 2 litters per year and
in seven years one
unspayed female dog and her offspring can produce 97,000 puppies.
Low levels can lead to infertility
in intact (i.e.
unspayed)
female dogs.
What many pet owners do not know is that the incidence of mammary tumor development
in dogs is higher yet, with one
in four
unspayed female dogs affected.
This means that spaying is important even if a tumor has already developed;
in one study,
female dogs spayed at the time of their tumor removal (or
in the two years prior to the tumor removal) lived 45 percent longer than those who remained
unspayed.
One
unspayed female dog and her offspring can produce 67,000 puppies
in just 6 years.
This means it is not legal to own an
unspayed female dog in these areas.
(1
in 4
unspayed female dogs will develop pyometra by the age of 10.)
For example, intact males constitute 80 percent of all
dogs presented to veterinary behaviorists for what formerly has been described as dominance aggression, are involved
in 70 to 76 percent of reported
dog bite incidents, and are 2.6 times more likely to bite than neutered
dogs, while
unspayed females «attract free - roaming males, which increases bite risk to people through increased exposure to unfamiliar
dogs,» and «contribute to the population of unwanted» and potentially aggressive
dogs (Gershman et al., 1993; Sacks et al., 2000; AVMA, 2001).
Mammary tumors
in dogs are among the most common type of tumor found
in intact (
unspayed)
female dogs (found
in 1
in 4
dogs).
According to
Dogs on Death Row and PETA, each
unspayed female dog and her offspring can potentially produce up to 67,000 puppies
in her seven - year lifespan.
Mammary tumor
in 10 yr old,
unspayed female sheltie - mix - Holistic Treatment Options My
dog, Daisy, had a mammary tumor which first appeared about 2 years ago, acorn sized.
(ref) Estimates of its incidence
in older,
unspayed,
female dogs range from 1 - 15 %.