DRG – D-rat-gons  ☾

Statistics

Breeding statistics

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

Declared litters	8 litters, 45 pups
⨽ internal (born in the rattery)	⨽ 6 litters, 43 pups
⨽ external (other contributed litters)	⨽ 2 litters, 2 pups

All rat records	55 rats
⨽ females	⨽ 22 females (40 %)
⨽ males	⨽ 33 males (60 %)

Litter statistics

Average mother age	234 days (7.7 months)
Average father age	512 days (16.8 months)
Average litter size	5.6 pups per litter
Average sex ratio	1.5 (about 3 males for 2 females)

Lifespan statistics

Bred rats recorded as deceased	52 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 14 rats (26.9 %)
⨽ presumed dead	⨽ 38 rats (73.1 %)

Average lifespan of bred rats	25.3 months (♀: 27 months – ♂: 23.7 months)
⨽ infant mortality excluded	⨽ 27.2 months (♀: 27 months – ♂: 27.6 months)
⨽ accidents excluded	⨽ 27.2 months (♀: 27 months – ♂: 27.6 months)

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

Death causes statistics

Primary death causes by decreasing frequency

35.71 %	Other
28.57 %	Old age, natural death (from 24 month old minimum)
21.43 %	Unknown cause
7.14 %	Eye, ear, mouth, face
7.14 %	Infant mortality (up to 6 week old)

Secondary death causes by decreasing frequency

28.57 %	Undetermined tumor (affected organ unknown)
28.57 %	*Old age, natural death (from 24 month old minimum)
21.43 %	Undetermined cause (known date)
7.14 %	Undetermined infection or abscess
7.14 %	Otitis, ear abscess
7.14 %	*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	♀
✗	DRG1791M	DRG	Kutips †		08/02/2005	4 mo	Euthanasia without medical cause	♂
✗	DRG1795M	DRG	Cookie †		08/02/2005	12 mo	Undetermined 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	♂