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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I am never to old to do it!!!
Puberty - mom why is that male rat eyeing me up?
Females - vagina opens & estrus begins
in heat once a year
90% of the birds
Come on kids it is time to leave home
we Luv u!!
These short estrus cycles are killing me
Nurture developing embryo
Deposit in the vagina
ready to me
Yes we are in our first estrus; but please do not let him in.
for the same reason
their not ready
Probably be unsuccessful
because they are to immature
and under weight
is when I am ready
& u only!!!
Polygomous mating versus monogamous mating
Lordosis - position some females take to indicate she is in estrus/heat
Female rats twitch their ears when there in estrus to get the attention of male rats
Polygamous Mating the attention of male rats
Efficient use of cages
Disadvantages of Polygamous mating: the attention of male rats
Who is Sophie?
Who is daddy?
I am getting hurt down here
Diagnosing a Pregnancy: the attention of male rats
1. Abdominal Palpations
2. Weight Gains
Text the attention of male rats
Precautions for some
Fostering the attention of male rats
What adopted mommy
do you want?