Duration of pregnancy in domestic animals

Duration of pregnancy in domestic animals
Species of animals			Gestation period in days					Number of young
Horse (thoroughbred and draught			320 −355 usually 336					1
class)
Ass			348 −377 usually 362					1
Buffalo			295 −310					1
Cattle			270 −283					1
Sheep			144 −156, usually 150					1, often 2
Goat			146 −157 usually 150					2
Dog			Usually 63 (62½). Shortest					Born blind, 8 −12 with large
			gestation	period with		small		breeds, 6 −10 with medium
			breeds.		Gestation	may		breeds,  2	− 4  with  small
			extend  up  to  68  days for					breeds
			single−birth dogs
Domestic cat			56 −60					4 −6 (born blind)
Mouse			22 −24					-
Rabbit			28 −33 days. The heavier					1 −12 and more (born blind)
			the breed the fewer young in
			a  litter,  the  longer  the
			gestation period, up to 35
			days and more.

Dromedary		(Camelus	13 months	1
dromedarius)  and  two-humped
(Bactrian)	camel	(Camelus
bactrianus)
Elephant (Elephas maximus)			20 −22 months	1

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