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Details

Animal Repro 331
Test 3
9
Physiology
Undergraduate 3
11/29/2011

Additional Physiology Flashcards

 


 

Cards

Term


How do we define puberty? (In female)

Definition

o   Age at first estrus (heat)?

o   Age at first ovulation?

o   Age when first capable of establishing and maintaining a viable pregnancy?

Term

Puberty in the female is affected by:

Definition

·      Genetics/breed

   o   Frame size

          o   Physiological maturity

·      Nutrition

   o   Underfeeding delays onset

         o   Overfeeding can also be detrimental

·      Environment

    o   Especially seasonal breeders

Term

Two types of ovarian cycles

Definition

o   spontaneous ovulators

o   “induced ovulator”

Term

induced ovulator

Definition

o   Process of ovulation controlled by mating/copulation

o   Example: cat, llama

Term
spontaneous ovulators 
Definition

o   Process of ovulation controlled by hormonal (and environmental) factors

o   Example: pig, mare

Term

Estrus

Definition

period of sexual receptivity, also called heat


o   Female will accept mating attempts by male

o   Estrus is a noun

 

Term

 Estrous cycle

Definition

      the reproductive events occurring between two successive periods of estrus

o   Not interrupted by non-breeding period (dog, seasonal breeders)

o   Estrous is an adjective

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