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Female dogs are at risk for endometritis and pyometra in the postpartum period and after estrus or vaginitis. Signs and symptoms include fever, lethargy, loss of appetite, excessive thirst, restlessness, a foul smelling vaginal discharge which may or may not be bloody, infertility, or they may be asymptomatic.
Female dogs bleed during estrus, which usually lasts from 7–13 days, depending on the size and maturity of the dog. Ovulation occurs 24–48 hours after the luteinizing hormone peak, which occurs around the fourth day of estrus; therefore, this is the best time to begin breeding.
Dogs commonly give birth in a whelping box, a simple box or pen provided to the dam to help shelter and contain the puppies. A person who intentionally mates dogs to produce puppies is referred to as a dog breeder. Line breeding is the planned breeding of dogs with their relatives. This is done to strengthen the appearance of specific desired ...
Dog communication is the transfer of information between dogs, as well as between dogs and humans. [136] Communication behaviors of dogs include eye gaze, facial expression, [ 137 ] [ 138 ] vocalization, body posture (including movements of bodies and limbs), and gustatory communication (scents, pheromones, and taste).
This category collects information about how dogs breed and how and why people breed dogs. Wikimedia Commons has media related to Canidae reproduction . The main article for this category is Dog breeding .
The former is due to malformed reproductive material present in the female, and for the latter it is particular relations of the size of the animal, the moisture of reproductive materials, and the heat of semen. Chapter 5 presents the causes of superfetation, which is an inadequate separation of multiple young during gestation.
Dogs were still used in large part for hunting, however, and hunting dogs would be equipped with special collars denoting their specific roles and breeds. 2. Greyhounds Were the Elites of the ...
Female mate choice, which gives the female the ability to choose her partner before and after mating. The female cannot do this with external fertilization because she may have limited control of who is fertilizing her eggs, and when they are being fertilized. [1] Making a decision for the conditions of reproduction, like location and time. [22]