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Animal Reproduction

Animal Reproduction. Chapter 4. Menopause - I am done no more kids. Male. I am never to old to do it!!!. Puberty - mom why is that male rat eyeing me up?. Females. Males - testes descend into the scrotum. Females - vagina opens & estrus begins. Monestrous - in heat once a year.

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Animal Reproduction

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  1. Animal Reproduction • Chapter 4

  2. Menopause - I am done no more kids Male I am never to old to do it!!! Puberty - mom why is that male rat eyeing me up? Females

  3. Males - testes descend into the scrotum Females - vagina opens & estrus begins

  4. Monestrous - in heat once a year Examples: Prairie voles Wolves 90% of the birds

  5. Polyestrous - in heat multiple times a year

  6. Beinging Polytoccus sucks Come on kids it is time to leave home Text No Mom we Luv u!! These short estrus cycles are killing me

  7. Polytoccus versus Monotocous

  8. uteruses (two) Mouse

  9. I have it rough Female Roles: Produce Eggs Nurture developing embryo Nurse young Male Roles: Produce Sperm Deposit in the vagina

  10. Embryo versus Fetus ?????????

  11. Altricial Precocial

  12. Precocial or Altricial?

  13. Pseudopregnancy or Pregnant?

  14. They look ready to me Yes we are in our first estrus; but please do not let him in. Why?

  15. I am not ready for the same reason their not ready Probably be unsuccessful because they are to immature and under weight

  16. 4 stages of the estrus cycle: Proestrus Estrus metestrus Diestrus Estrus baby; is when I am ready to make babies

  17. I luv u & u only!!! Polygomous mating versus monogamous mating

  18. Lordosis - position some females take to indicate she is in estrus/heat

  19. Female rats twitch their ears when there in estrus to get the attention of male rats

  20. Polygamous Mating Advantages: Fewer males Efficient use of cages

  21. Disadvantages of Polygamous mating: Who is Sophie? Who is daddy? I am getting hurt down here

  22. Diagnosing a Pregnancy: 1. Abdominal Palpations 2. Weight Gains 3. Gonadotrophs

  23. Text Okay Okay Precautions for some pregnant females High Protein Diet Blop/Splat

  24. Fostering What adopted mommy do you want?

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