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A dog's glans consists of two sections: Behind the lower, long part (pars longa glandis) lies the "knot" (Bulbus glandis) [1] which expands only after penetrating the vagina and causes the male dog to remain inside the bitch ("Tie") for some time after ejaculation (typically between 15 and 30 min).
The locking is completed by circular muscles just inside the female's vagina; this is called "the knot" tightening thus preventing the male from withdrawing. The circular muscles also contract intermittently, which has the effect of stimulating ejaculation of sperm, followed by prostatic fluid, as well as maintaining the swelling of the penis ...
Here are some of the largest dog breeds by weight and height: English Mastiff: 27.5-30 inches and up, 120-230 pounds. Spanish Mastiff: 28-35 inches and up, 140-200 pounds.
The 15 Biggest Dog Breeds in the World. Jennifer Magid. March 11, 2024 at 11:00 PM. ... Greater Swiss Mountain Dog. This big breed looks somewhat similar to Bernese Mountain Dogs, to which they ...
The Dog of Leonberg: The History of a Dog Breed Archived 2012-03-16 at the Wayback Machine. Multilingual (English, German, French, Dutch) trilogy on the history of the Leonberger dog (1846–1948) (Independent Leo Gazette) ISBN 978-90-813426-1-2. White, Angela (12 Feb 1998). The Leonberger: The World of Dogs ((Hardcover). Kingdom Books, Havant ...
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The Tibetan Mastiff [a] is a large Tibetan dog breed.Its double coat is medium to long, subject to climate, and found in a wide variety of colors, including solid black, black and tan, various shades of red (from pale gold to deep red) and bluish-gray (dilute black), and sometimes with white markings around its neck, chest and legs.
Big dog breeds offer owners a lot of animal—and a lot of love. Many of the largest breeds out there are affectionate canines who live to serve their family members. In fact, several are known ...