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Agriculture teacher preparation- Animal husbandry

 Agriculture teacher preparation- Animal husbandry 

Different Live Stock Puberty, Oestrous Cycle & Heat Period

Puberty = In Months


PubertyOestrous CycleHeat Period
Cow30-4221 Days18 Hours
Buffalo30-4221 Days24 Hours
Goat8-1018-21 Days2-3 Days
Sheep9-1415-18 Days1-3 Days
Pig8-1021 Days1-5 Days
Camel36-4814 Days3-5 Days
Different Live Stock Gestation Period  & Chromosome Number


Gestation Period 2n
Cow283 Days60
Buffalo310 Days50
Goat148 Days60
Sheep150 Days54
Pig114 Days38
Camel391 Days74

Average composition of milk in different mammals (in %)


AgriExamWaterFatsProteinLactoseAsh
Cow87.273.753.584.960.70
Buffalo82.767.383.604.500.80
Goat87.004.253.524.250.86
Sheep79.508.605.504.501.00
Human87.404.301.256.800.25

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