RLL – Ratlala  ☾

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Statistics

Breeding statistics

Breeding activity period	1995–2008 (12 years, 8 months)

Declared litters	40 litters, 204 pups
⨽ internal (born in the rattery)	⨽ 36 litters, 177 pups
⨽ external (other contributed litters)	⨽ 4 litters, 27 pups

All rat records	204 rats
⨽ females	⨽ 103 females (50.5 %)
⨽ males	⨽ 101 males (49.5 %)

Litter statistics

Average mother age	245 days (8 months)
Average father age	353 days (11.6 months)
Average litter size	5.1 pups per litter
Average sex ratio	0.981 (about 1 female for 1 male)

Lifespan statistics

Bred rats recorded as deceased	177 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 54 rats (30.5 %)
⨽ presumed dead	⨽ 123 rats (69.5 %)

Average lifespan of bred rats	22.3 months (♀: 23 months – ♂: 21.6 months)
⨽ infant mortality excluded	⨽ 22.3 months (♀: 23 months – ♂: 21.6 months)
⨽ accidents excluded	⨽ 23.1 months (♀: 23.7 months – ♂: 22.6 months)

Oldest bred rat	RLL Mushu (deceased at 2 years, 9 months, 18 days)

Death causes statistics

Primary death causes by decreasing frequency

35.19 %	Other
24.07 %	Unknown cause
20.37 %	Old age, natural death (from 24 month old minimum)
9.26 %	Accidents, traumas, poisonings
5.56 %	Respiratory
3.7 %	Neurological (brain, spinal cords, nerves)
1.85 %	Digestive

Secondary death causes by decreasing frequency

24.07 %	Undetermined cause (known date)
20.37 %	*Old age, natural death (from 24 month old minimum)
16.67 %	Undetermined tumor (affected organ unknown)
9.26 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
5.56 %	Domestic accident (crush, door...)
5.56 %	Undetermined infection or abscess
5.56 %	*Respiratory
3.7 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
3.7 %	Stroke
3.7 %	*Other
1.85 %	Liver failure

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	21/05/2008	MMT-2BK Gokio	RLL-LCF Moged	12
✓	11/04/2007	DGR Gelaouenn	RLL Wonka	7
✓	18/02/2006	INC Pahaliah	ETR Zoom van Ratten-Ri	14
✓	28/11/2005	RLL Grabulle	INC Skornn	6
✓	02/08/2005	RLL Grabulle	RLL-ELE Lord Black Adder	10
✓	15/07/2005	INC Déméter	INC Skornn	5
✓	26/06/2005	RLL Armoise	TRT Darjeeling	5
✓	19/06/2005	INC Pahaliah	TRT Darjeeling	4
✓	23/01/2005	RLL Cubèche	ABC-LPM Linum	3
✓	30/12/2004	TRT Dumbelinette	INC Odin	6

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	RLL8687M	RLL-LCF	Kuroh HAZAMA †	p42E	11/04/2007	– ?? –	No information	♂
✓	RLL649M	RLL	Akira †	Akira	20/08/2004	21 mo	Liver failure	♂
✓	RLL303F	RLL	Cusoquate †		18/10/2001	14 mo	Virus, epidemic outbreak, etc.	♀
✓	RLL310M	RLL	Papyrus †		04/04/2002	28 mo	Undetermined cause	♂
✓	RLL3025F	RLL-IAR	Ramallah †	Mooz	18/02/2006	27 mo	Undetermined tumor	♀
✓	RLL3584M	RLL-ELE	Dacryo †	32H	28/09/2004	17 mo	Virus, epidemic outbreak, etc.	♂
✓	RLL3604F	RLL	Eldora †	36 L	26/06/2005	8 mo	Undetermined cause	♀
✓	RLL3610F	RLL	Mézine †	34C	23/01/2005	9 mo	Undetermined cause	♀
✓	RLL3617M	RLL	Onizuka †	37A	15/07/2005	23 mo	Undetermined cause	♂
✓	RLL3621M	RLL-CTR	Calcifer †	33F	30/12/2004	20 mo	Undetermined cause	♂