canine reprodution - Reproduction in the Dog As an owner of...

Info icon This preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
Reproduction in the Dog
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
As an owner of a dog, what is the reason or goal for breeding your dog? Source of_income _? For your kids to see/experience miracle of birth ? It would be fun to do. She / he needs to have a family. Replacement / supplement to current dog – just like the one I have. Is your dog free of_genetic defects _? Does the dog have a__good temperament __? Do the puppies have a destination after birth?
Image of page 2
· Female dog: Bitch Male:_not a specific name__ · Puberty: 6 to 9 months of age (can be up to 2 years in some large breeds) · Estrous cycle type= monoestrous : mostly late winter and summer · Exterior signs of heat: Marking territory, swollen vulva, light blood discharge from vulva · Ova sheds from follicle approximately 2 to 3 days post LH surge . · First heat after birth occurs between 3 to 5 months · Gestation period varies from 58 to 75 days (average =__63_)
Image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Female dog reproductive tract
Image of page 4
Image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 6
Estrous Cycle Proestrus Estrus Metestrus – non pregnant conditions Diestrus – Pregnant condition Anestrus
Image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Proestrus ( 7 - 9 days) (Week 1) Ovarian follicular development Vulva swollen . Bloody discharge Attracted to male, but does not mate. Anterior pituitary has been secreting follicle stimulating hormone (FSH) – growth of follicles on ovary. Follicles secrete estrogens – proliferation of glandular tissue in the uterus and vaginal mucosa. capillaries in the uterus and vagina leak some blood and the dog has a bloody vaginal discharge. The discharge indicates the _the first day_ of proestrus
Image of page 8
The vulva swells during proestrus and pheromones are secreted that drive males into frenzies and on a humid night will attract them from miles around. The female may act moody during this stage to both people and other dogs, swinging from affectionate to "snappy" and seem to like to "tease" the males cruelly: they'll lift their tail to allow a sniff, but will bite the male if he tries to mount .
Image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Estrus (9 days, ovulation day 2) accepts male Straw-colored discharge Gets pregnant ! Week 2: (Estrus) During this phase where the female is in true estrus ( heat ), her vulva will still be swollen, but her vaginal discharge will usually stop having visible blood in it, she will ovulate . She will usually let the male...often any and all males ... mount her. And assuming no underlying problems, she will probably become pregnant . Possibly from multiple males . It is possible that each puppy in the litter could have a different sire .
Image of page 10
This period, while on average, is about a week long, can be much shorter or longer .
Image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern