DRG – D-rat-gons  ☾

Statistics

Breeding statistics

Breeding activity period	2003–2008 (4 years, 11 months)

Declared litters	9 litters, 58 pups
⨽ internal (born in the rattery)	⨽ 7 litters, 56 pups
⨽ external (other contributed litters)	⨽ 2 litters, 2 pups

All rat records	59 rats
⨽ females	⨽ 24 females (40.7 %)
⨽ males	⨽ 35 males (59.3 %)

Litter statistics

Average mother age	227 days (7.5 months)
Average father age	512 days (16.8 months)
Average litter size	6.4 pups per litter
Average sex ratio	1.458 (about 16 males for 11 females)

Lifespan statistics

Bred rats recorded as deceased	56 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 18 rats (32.1 %)
⨽ presumed dead	⨽ 38 rats (67.9 %)

Average lifespan of bred rats	23.4 months (♀: 26.6 months – ♂: 20.2 months)
⨽ infant mortality excluded	⨽ 24.8 months (♀: 26.6 months – ♂: 22.7 months)
⨽ accidents excluded	⨽ 24.8 months (♀: 26.6 months – ♂: 22.7 months)

Oldest bred rat	DRG Ptit Suisse (deceased at 2 years, 9 months, 24 days)

Death causes statistics

Primary death causes by decreasing frequency

33.33 %	Other
22.22 %	Old age, natural death (from 24 month old minimum)
22.22 %	Unknown cause
11.11 %	Reproductive system
5.56 %	Eye, ear, mouth, face
5.56 %	Infant mortality (up to 6 week old)

Secondary death causes by decreasing frequency

22.22 %	Undetermined cause (known date)
22.22 %	Undetermined tumor (affected organ unknown)
22.22 %	*Old age, natural death (from 24 month old minimum)
11.11 %	Mammary tumor
5.56 %	Euthanasia without medical cause
5.56 %	Undetermined infection or abscess
5.56 %	Otitis, ear abscess
5.56 %	*Infant mortality (up to 6 week old)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	28/09/2008	DRG Dryade	IND Bro	1
✓	31/01/2008	2BK Cuumkwaat	DRG Ptit Suisse	2
✓	16/06/2006	INC Sushi	IND-DRG Champi	7
✓	13/04/2005	IND Betsie	DRG Darwin	1
✓	08/02/2005	IND Boulette	Unknown	13
✓	15/11/2004	INC Pouka	DRG-LTT Ithaque	1
✓	12/11/2004	INC Volga	INC Nijni	14
✓	07/06/2004	DRG-LTT Ukulélé	Unknown	11
♺	14/05/2004	IND Marie-jeanne	RCH Valentino	1
✓	08/10/2003	INC Téthys	INC Spot	8

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	DRG16821F	DRG	Dryade †		31/01/2008	28 mo	Mammary tumor	♀
✓	DRG1795M	DRG	Cookie †		08/02/2005	12 mo	Undetermined cause	♂
✓	DRG1791M	DRG	Kutips †		08/02/2005	4 mo	Euthanasia without medical cause	♂
✓	DRG1786F	DRG	Nieves †		08/02/2005	23 mo	Mammary tumor	♀
✓	DRG1810F	DRG	Alastrelle †		07/06/2004	– ?? –	No information	♀
✓	DRG1811F	DRG	Ynci †		07/06/2004	25 mo	Undetermined tumor	♀
✓	DRG1812F	DRG	Ostreich †		07/06/2004	– ?? –	No information	♀
✓	DRG1813F	DRG	Gnocchi †		07/06/2004	– ?? –	No information	♀
✓	DRG1814M	DRG	Gollum †		07/06/2004	– ?? –	No information	♂
✓	DRG1815M	DRG	Gonzales †		07/06/2004	– ?? –	No information	♂