LJH – La Raterie des Jours Heureux  ☾

Statistics

Breeding statistics

Breeding activity period	2001–2007 (5 years, 9 months)

Declared litters	6 litters, 38 pups
⨽ internal (born in the rattery)	⨽ 5 litters, 34 pups
⨽ external (other contributed litters)	⨽ 1 litter, 4 pups

All rat records	38 rats
⨽ females	⨽ 18 females (47.4 %)
⨽ males	⨽ 20 males (52.6 %)

Litter statistics

Average mother age	220 days (7.2 months)
Average father age	660 days (21.6 months)
Average litter size	6.3 pups per litter
Average sex ratio	1.111 (about 10 males for 9 females)

Lifespan statistics

Bred rats recorded as deceased	34 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 15 rats (44.1 %)
⨽ presumed dead	⨽ 19 rats (55.9 %)

Average lifespan of bred rats	21.4 months (♀: 18.9 months – ♂: 25.3 months)
⨽ infant mortality excluded	⨽ 21.4 months (♀: 18.9 months – ♂: 25.3 months)
⨽ accidents excluded	⨽ 22.9 months (♀: 21.1 months – ♂: 25.3 months)

Oldest bred rat	LJH Gypsie (deceased at 2 years, 11 months, 4 days)

Death causes statistics

Primary death causes by decreasing frequency

26.67 %	Other
20 %	Old age, natural death (from 24 month old minimum)
20 %	Unknown cause
6.67 %	Digestive
6.67 %	Accidents, traumas, poisonings
6.67 %	Neurological (brain, spinal cords, nerves)
6.67 %	Reproductive system
6.67 %	Respiratory

Secondary death causes by decreasing frequency

26.67 %	Undetermined tumor (affected organ unknown)
20 %	Undetermined cause (known date)
20 %	*Old age, natural death (from 24 month old minimum)
6.67 %	Intestinal obstruction (excluding megacolon)
6.67 %	Domestic accident (crush, door...)
6.67 %	Mammary tumor
6.67 %	*Neurological (brain, spinal cords, nerves)
6.67 %	*Respiratory

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	16/08/2007	IND Amazone	LJH Mountain	13
✓	07/03/2006	IND Dali	LJH-LTT Vulcain	4
✓	20/05/2005	LJH Gypsie	IND Indiana	4
✓	22/11/2004	SGS Nais	LTT Kiri	6
✓	02/09/2004	SGS Koia	IND Raphaël	10
✓	27/10/2001	INC Ouragan	Unknown	1

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	LJH11285F	LJH	Ploom †	LJH005C	16/08/2007	6 mo	Undetermined cause	♀
✓	LJH11282F	LJH	Pimprenelle †	LJH005B	16/08/2007	27 mo	Mammary tumor	♀
✓	LJH2235M	LJH-LTT	Tintamarre †		22/11/2004	– ?? –	No information	♂
✓	LJH8350F	LJH	Sultane †		20/05/2005	20 mo	Neurological	♀
✓	LJH8351F	LJH	Missblack †		20/05/2005	21 mo	Undetermined tumor	♀
✓	LJH5609F	LJH	Gatchane †		02/09/2004	1 mo	Domestic accident	♀
✓	LJH5661F	LJH	Malika †	Pirouette	02/09/2004	26 mo	Undetermined tumor	♀
✓	LJH2383F	LJH	Ratatouille †		27/10/2001	6 mo	Intestinal obstruction	♀
✓	LJH2231M	LJH-LTT	Chti-Boo †		22/11/2004	26 mo	Undetermined cause	♂
✓	LJH11312M	LJH	Sultan †	LJH005M	16/08/2007	21 mo	Undetermined cause	♂