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  2. Canine reproduction - Wikipedia

    en.wikipedia.org/wiki/Canine_reproduction

    In domestic dogs, sexual maturity occurs between the ages of 6 and 12 months for both males and females, although this can be delayed until up to two years of age for some large breeds. [2] Pregnancy is possible as soon as the first estrus cycle, but breeding is not recommended prior to the second cycle. [3]

  3. Dermacentor variabilis - Wikipedia

    en.wikipedia.org/wiki/Dermacentor_variabilis

    The life cycle of ticks can vary depending on the species. Most ticks go through four stages: egg, six-legged larva, eight-legged nymph, and adult. After hatching from the egg, a tick must obtain a blood meal at every stage to survive. Ticks can feed on mammals, birds, reptiles, and amphibians.

  4. Dog - Wikipedia

    en.wikipedia.org/wiki/Dog

    The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the gray wolf.Also called the domestic dog, it was selectively bred from an extinct population of wolves during the Late Pleistocene by hunter-gatherers.

  5. Prairie dog - Wikipedia

    en.wikipedia.org/wiki/Prairie_dog

    Prairie dog tunnel systems channel rainwater into the water table, which prevents runoff and erosion, and can also change the composition of the soil in a region by reversing soil compaction that can result from cattle grazing. Prairie dog burrows are 5–10 m (16–33 ft) long and 2–3 m (6.6–9.8 ft) below the ground. [20]

  6. Puppy - Wikipedia

    en.wikipedia.org/wiki/Puppy

    Dogs go through prenatal development before they are born, just like all animals do. The germinal stage, the embryonic stage, and the fetal stage are the three phases that make up this development. The first stage of prenatal growth in dogs is known as the germinal stage, which starts at fertilization and lasts for about two weeks.

  7. Dogs don't actually age 7 times faster than humans, new study ...

    www.aol.com/lifestyle/dogs-dont-actually-age-7...

    Say you have a 4-year-old Labrador named Comet — with the new equation, Comet's real "dog age" would be slightly older than 53. The reason for the difference is actually pretty simple.

  8. Dog flea - Wikipedia

    en.wikipedia.org/wiki/Dog_flea

    The dog flea (Ctenocephalides canis) is a species of flea that lives as an ectoparasite on a wide variety of mammals, particularly the domestic dog and cat. It closely resembles the cat flea , Ctenocephalides felis , which can live on a wider range of animals and is generally more prevalent worldwide.

  9. Cat flea - Wikipedia

    en.wikipedia.org/wiki/Cat_flea

    Ctenocephalides felis felis. The cat flea belongs to the insect order Siphonaptera which in its adult stage is an obligatory hematophage.Adults of both sexes range from 1–2 mm long and are usually a reddish-brown colour, although the abdomens of gravid females often swell with eggs causing them to appear banded in cream and dark brown.