Insights into the roles of sperm in animal cloning

Table 1 Summary of the cloned mammalian species

Species	Published year	Donor cell type	Born number	Transferred embryos number	Reference
Sheep	1996	Epithelium	1	29	[6]
Sheep	1996	Fibroblast	2	34	[6]
Bovine	1998	Fetal fibroblast	3	28	[7]
Mouse	1998	Cumulus cell	31	1385	[8]
		Sertoli cell	1	59
		Neuron	1	46
Goats	1999	Fetal fibroblast	1	47	[9]
Pig	2000	Granulosa cell	5	72	[10]
Mouflon	2001	Granulosa cell	1	7	[11]
Rabbit	2002	Cumulus cell	6	371	[12]
Cat	2002	Fibroblast	1	81	[13]
Cat	2002	Cumulus cell	1	81	[13]
Horse	2003	Fibroblast	1	17	[14]
Mule	2003	Fibroblast	3	305	[15]
Rat	2003	Fibroblast	3	129	[16]
Dog	2005	Fibroblast	2	1095	[17]
Ferrets	2006	Fibroblast	1	104	[18]
Ferrets	2006	Cumulus cell	3	193	[18]
Wolf	2007	Fibroblast	2	251	[20]
Buffalos	2007	Granulosa cell	3	42	[21]
Buffalos	2007	Fibroblast	3	42	[21]
Red deer	2007	Periosteum	8	84	[19]
		Bone cell
		Fat cell
Camel	2010	Cumulus cells	1	139	[22]
Camel	2010	Fibroblast	1	139	[22]
Monkey	2018	Fibroblast	2	79	[23]

ISSN: 1757-6512