LRL – La Renardiere lorraine  ☾

Statistics

Breeding statistics

Breeding activity period	2008–2011 (3 years, 2 months)

Declared litters	26 litters, 183 pups
⨽ internal (born in the rattery)	⨽ 20 litters, 128 pups
⨽ external (other contributed litters)	⨽ 6 litters, 55 pups

All rat records	191 rats
⨽ females	⨽ 108 females (56.5 %)
⨽ males	⨽ 83 males (43.5 %)

Litter statistics

Average mother age	231 days (7.6 months)
Average father age	389 days (12.7 months)
Average litter size	7 pups per litter
Average sex ratio	0.769 (about 13 females for 10 males)

Lifespan statistics

Bred rats recorded as deceased	154 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 46 rats (29.9 %)
⨽ presumed dead	⨽ 108 rats (70.1 %)

Average lifespan of bred rats	18 months (♀: 19 months – ♂: 15.7 months)
⨽ infant mortality excluded	⨽ 18.3 months (♀: 19.6 months – ♂: 15.7 months)
⨽ accidents excluded	⨽ 19.5 months (♀: 20.3 months – ♂: 17.8 months)

Oldest bred rat	LRL adige (deceased at 3 years, 2 months, 27 days)

Death causes statistics

Primary death causes by decreasing frequency

26.09 %	Unknown cause
23.91 %	Old age, natural death (from 24 month old minimum)
23.91 %	Other
8.7 %	Respiratory
6.52 %	Neurological (brain, spinal cords, nerves)
6.52 %	Accidents, traumas, poisonings
2.17 %	Cardiovascular
2.17 %	Infant mortality (up to 6 week old)

Secondary death causes by decreasing frequency

26.09 %	Undetermined cause (known date)
23.91 %	*Old age, natural death (from 24 month old minimum)
17.39 %	Undetermined tumor (affected organ unknown)
6.52 %	Domestic accident (crush, door...)
6.52 %	Bronchitis, pneumonia
4.35 %	Stroke
4.35 %	*Other
2.17 %	Undetermined infection or abscess
2.17 %	Heart failure, valvular disease
2.17 %	Malformation, hydrocephalus
2.17 %	*Neurological (brain, spinal cords, nerves)
2.17 %	*Respiratory

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	17/08/2011	LRL okumi	IND pouilpouille	6
✓	25/06/2011	LRL-RCT Cassiopée	RZA Guizmo	5
✓	12/04/2011	IND havane	RCT Worms	8
✓	21/02/2011	MAA Téquila	RZA Maranello	7
✓	20/01/2011	RB. dixy	Unknown	13
✓	29/12/2010	INC albi	Unknown	1
✓	10/12/2010	INC Abby	MRD SKIPY	12
✓	16/11/2010	RLV Mélodie	IND twix	12
✓	07/11/2010	IND havane	IND purple	14
✓	27/08/2010	INC Abby	LRL CRUSOE	12

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	LRL16003F	LRL	bounty †	bb	11/04/2009	3 mo	Undetermined cause	♀
✓	LRL15629M	LRL	Crumble †		22/07/2008	– ?? –	No information	♂
✓	LRL23459F	LRL	Twisty Pop †		20/01/2011	– ?? –	No information	♀
✓	LRL15977F	LRL	tékila †	sale gosse	30/10/2008	25 mo	Old age, natural death	♀
✓	LRL20077M	LRL	Crypton †		22/05/2010	– ?? –	No information	♂
✓	LRL23492F	LRL	Army †		20/01/2011	12 mo	Undetermined tumor	♀
✓	LRL23491F	LRL	Mei †	mei	20/01/2011	28 mo	Old age, natural death	♀
✓	LRL24781F	LRL	HAMYA †	HAMY	12/04/2011	– ?? –	No information	♀
✓	LRL21026F	LRL-RCT	Cassiopée †		27/08/2010	– ?? –	No information	♀
✓	LRL26162F	LRL	NEPTUNE †		25/06/2011	– ?? –	No information	♀