ReproductionReproduction

Topic # 3025Topic # 3025

Reproductive SystemReproductive System

Melinda KlockziemMelinda Klockziem

Female HormonesFemale Hormones

EstrogenEstrogen Produced by follicle and further develops Produced by follicle and further develops

folliclefollicle

ProgesteroneProgesterone Produced by CL, sustains pregnancy and Produced by CL, sustains pregnancy and

inhibits new follicle developmentinhibits new follicle development

Female HormonesFemale Hormones

ProstaglandinProstaglandin Produced by the uterus and causes CL to Produced by the uterus and causes CL to

regress and new follicle to developregress and new follicle to develop RelaxinRelaxin

Produced by the CL and causes ligaments Produced by the CL and causes ligaments around birth canal to relaxaround birth canal to relax

OxytocinOxytocin Produced by the posterior pituitary and Produced by the posterior pituitary and

causes milk let-downcauses milk let-down

Male HormoneMale Hormone

TestosteroneTestosterone Produced by Leydig cell and is critical to Produced by Leydig cell and is critical to

normal sperm developmentnormal sperm development

SemenSemen

SwineSwine

Estrous CycleEstrous Cycle 21 day intervals21 day intervals

Signs of HeatSigns of Heat Swollen vulvaSwollen vulva Standing heatStanding heat LordosisLordosis

GestationGestation 114 days average114 days average

CattleCattle

Estrous CycleEstrous Cycle 21 day intervals21 day intervals

Signs of HeatSigns of Heat Standing heat, Standing heat,

restlessrestless GestationGestation

282 days 282 days averageaverage

SheepSheep

Estrous CycleEstrous Cycle 16 days interval16 days interval

Signs of HeatSigns of Heat Difficult to DetectDifficult to Detect Sterile Ram Sterile Ram

Chalking deviceChalking device GestationGestation

150 days150 dayswww.dymark.com.au/packaging&marking/ Rural_Industry.htm

GoatsGoats

Estrous CycleEstrous Cycle 21 day intervals21 day intervals

Signs of HeatSigns of Heat Rapid tail Rapid tail

waggingwagging GestationGestation

149 days149 days

HorsesHorses

Estrous CycleEstrous Cycle 21 day intervals21 day intervals

Signs of HeatSigns of Heat Teasing with StallionTeasing with Stallion

SquattingSquatting Frequent urinationFrequent urination Winking of vulvaWinking of vulva

GestationGestation 330 days330 days

Country Girl Klockziem

RabbitsRabbits

Estrous CycleEstrous Cycle Induced Induced

ovulationovulation Signs of HeatSigns of Heat

Sometimes Sometimes aggressionaggression

GestationGestation 30 days30 days

http://www.dutchrabbit.com/graphics/bluec.jpg

DogsDogs

Estrous CycleEstrous Cycle 4-12 months4-12 months

Signs of HeatSigns of Heat Standing heat, Standing heat,

tail flaggingtail flagging GestationGestation

63 days63 days Winston and Jax Klockziem

CatsCats

Estrous CycleEstrous Cycle Induced ovulationsInduced ovulations

Signs of HeatSigns of Heat Vocal, rubbing, rolling, overall annoying Vocal, rubbing, rolling, overall annoying

behaviorbehavior

GestationGestation 63 days63 days

Didi Klockziem