MRS – Mini Ratterie Sweepy  ☾

Statistics

Breeding statistics

Breeding activity period	2010–2013 (3 years, 4 months)

Declared litters	10 litters, 61 pups
⨽ internal (born in the rattery)	⨽ 10 litters, 61 pups
⨽ external (other contributed litters)	⨽ 0 litter, no pup

All rat records	61 rats
⨽ females	⨽ 32 females (52.5 %)
⨽ males	⨽ 29 males (47.5 %)

Litter statistics

Average mother age	213 days (7 months)
Average father age	440 days (14.4 months)
Average litter size	6.1 pups per litter
Average sex ratio	0.906 (about 11 females for 10 males)

Lifespan statistics

Bred rats recorded as deceased	61 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 25 rats (41 %)
⨽ presumed dead	⨽ 36 rats (59 %)

Average lifespan of bred rats	18.9 months (♀: 19.4 months – ♂: 18.4 months)
⨽ infant mortality excluded	⨽ 21.4 months (♀: 23.3 months – ♂: 19.9 months)
⨽ accidents excluded	⨽ 22.7 months (♀: 26.8 months – ♂: 19.9 months)

Oldest bred rat	MRS-SID Texas (deceased at 3 years, 2 months, 4 days)

Death causes statistics

Primary death causes by decreasing frequency

20 %	Neurological (brain, spinal cords, nerves)
20 %	Other
16 %	Unknown cause
16 %	Old age, natural death (from 24 month old minimum)
12 %	Infant mortality (up to 6 week old)
8 %	Accidents, traumas, poisonings
4 %	Respiratory
4 %	Digestive

Secondary death causes by decreasing frequency

16 %	Undetermined cause (known date)
16 %	*Old age, natural death (from 24 month old minimum)
12 %	*Infant mortality (up to 6 week old)
12 %	*Neurological (brain, spinal cords, nerves)
8 %	Undetermined tumor (affected organ unknown)
8 %	*Other
4 %	Stroke
4 %	Undetermined infection or abscess
4 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
4 %	Domestic accident (crush, door...)
4 %	Epilepsy
4 %	Digestive tumor (stomach, liver, pancreas, intestines...)
4 %	*Respiratory

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	13/05/2013	MRS Rainbow	MRS Toffee	11
✓	17/04/2013	INC Yumi	MRS Toffee	14
✓	29/09/2012	IND Sunshine	Unknown	6
✓	26/12/2011	MRS-SID Clae	MRS Nougat	6
✓	14/06/2011	SOS Shadow	Unknown	1
✓	28/03/2011	IND Lully	AC. Alpharius	11
✓	25/03/2011	MRS Rima	AC. Alpharius	8
✓	22/08/2010	INC Maelle	INC Plush	1
✓	15/08/2010	IND Linae	INC Zack	2
✓	01/01/2010	INC Lilana	Unknown	1

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	MRS25232M	MRS-SID	Dagoth †		28/03/2011	24 mo	Digestive tumor	♂
✓	MRS27644M	MRS	Nougat †		15/08/2010	25 mo	Respiratory	♂
✓	MRS39705M	MRS	Legolas †	jûichi	13/05/2013	9 mo	Undetermined cause	♂
✓	MRS25527M	MRS-SID	Jaros †		28/03/2011	21 mo	Undetermined cause	♂
✓	MRS24896F	MRS-SID	Texas †		28/03/2011	38 mo	Old age, natural death	♀
✓	MRS32363F	MRS	Fraulein ulrika magdova straghov †	Fraulein	29/09/2012	9 mo	Domestic accident	♀
✓	MRS27625F	MRS-SID	Clae †		28/03/2011	27 mo	Other	♀
✓	MRS27628F	MRS-SID	Freyja †		28/03/2011	27 mo	Undetermined infection or abscess	♀
✓	MRS36193F	MRS	Hachi †		13/05/2013	– ?? –	No information	♀
✓	MRS28518M	MRS	Toffee †		26/12/2011	27 mo	Old age, natural death	♂