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  2. Canine reproduction - Wikipedia

    en.wikipedia.org/wiki/Canine_reproduction

    During proestrus and estrus, females may have a clear, blood tinged, or bloody discharge. Dogs during these stages are often informally referred to as being in heat. The length of these cycles varies greatly among breeds and even between individuals of the same breed. Proestrus and estrus can last anywhere from 5 days to 21 days. [5] 3.

  3. Dog breeding - Wikipedia

    en.wikipedia.org/wiki/Dog_breeding

    Dogs reach puberty between 6 and 24 months old, at which age female dogs will start having an estrous cycle. There are four stages of estrous: proestrus, estrus, diestrus, and anestrus. A dog in estrus, also known as being "in heat", can become pregnant during this 3- to 21-day period. [3]

  4. Estrous cycle - Wikipedia

    en.wikipedia.org/wiki/Estrous_cycle

    Estrous cycle variability differs among species, but cycles are typically more frequent in smaller animals. Even within species significant variability can be observed, thus cats may undergo an estrous cycle of 3 to 7 weeks. [15] Domestication can affect estrous cycles due to changes in the environment.

  5. Vaginal cytology - Wikipedia

    en.wikipedia.org/wiki/Vaginal_cytology

    Vaginal cytology is a microscopic examination of cells from the vaginal epithelium.In veterinary medicine, it helps differentiate the stages of the mammalian estrous cycle because the vaginal epithelium changes in response to sex hormone levels; practically, it is used to distinguish when a female canine is at a particular point in the estrous cycle. [1]

  6. Dog behavior - Wikipedia

    en.wikipedia.org/wiki/Dog_behavior

    A drawing by Konrad Lorenz showing facial expressions of a dog - a communication behavior. X-axis is aggression, y-axis is fear. Dog behavior is the internally coordinated responses of individuals or groups of domestic dogs to internal and external stimuli. [1] It has been shaped by millennia of contact with humans and their lifestyles.

  7. Walmart unveils hours, deals for Black Friday and Cyber ... - AOL

    www.aol.com/walmart-unveils-hours-deals-black...

    Walmart Cyber Monday 2024: Dates, hours, deals. The company's Cyber Monday event begins Sunday, Dec. 1 at 5 p.m. ET exclusively for Walmart+ members and 8 p.m. ET for all customers on Walmart.com ...

  8. Kate Middleton Wore Her Engagement Ring in Public for the ...

    www.aol.com/kate-middleton-wore-her-engagement...

    In fact, until this past weekend, Kate hadn't worn her engagement ring in any public appearance—or any images or videos shared on Kensington Palace's social media channels—since attending the ...

  9. California vote count is slow, that doesn't mean it's 'rigged ...

    www.aol.com/california-vote-count-slow-doesnt...

    The claim: California counting ballots two weeks after Election Day is evidence it was ‘rigged’ A Nov. 19 Instagram post (direct link, archive link) claims one state’s lengthy vote-counting ...