MAA – Ratterie Mäyrä  ☾

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Statistics

Breeding statistics

Breeding activity period	2009–2013 (4 years, 6 months)

Declared litters	4 litters, 33 pups
⨽ internal (born in the rattery)	⨽ 4 litters, 33 pups
⨽ external (other contributed litters)	⨽ 0 litter, no pup

All rat records	33 rats
⨽ females	⨽ 21 females (63.6 %)
⨽ males	⨽ 12 males (36.4 %)

Litter statistics

Average mother age	151 days (4.9 months)
Average father age	537 days (17.6 months)
Average litter size	8.3 pups per litter
Average sex ratio	0.571 (about 7 females for 4 males)

Lifespan statistics

Bred rats recorded as deceased	33 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 11 rats (33.3 %)
⨽ presumed dead	⨽ 22 rats (66.7 %)

Average lifespan of bred rats	20.7 months (♀: 20.9 months – ♂: 20 months)
⨽ infant mortality excluded	⨽ 20.7 months (♀: 20.9 months – ♂: 20 months)
⨽ accidents excluded	⨽ 20.2 months (♀: 20.9 months – ♂: 17.4 months)

Oldest bred rat	MAA-LRL Elfy (deceased at 2 years, 8 months, 22 days)

Death causes statistics

Primary death causes by decreasing frequency

45.45 %	Unknown cause
27.27 %	Other
9.09 %	Old age, natural death (from 24 month old minimum)
9.09 %	Respiratory
9.09 %	Accidents, traumas, poisonings

Secondary death causes by decreasing frequency

45.45 %	Undetermined cause (known date)
18.18 %	Undetermined tumor (affected organ unknown)
9.09 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
9.09 %	*Other
9.09 %	*Old age, natural death (from 24 month old minimum)
9.09 %	*Respiratory

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	07/11/2013	SOS Moon	Unknown	1
✓	02/02/2010	RTD Toundra	IND Mr. Garfunkle	13
✓	17/06/2009	MAA-LRL Karma	IND Santino	7
✓	10/04/2009	IND Kamizol	IEF Grisouille	12

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	MAA40109F	MAA	Ibizza †		07/11/2013	16 mo	Undetermined tumor	♀
✓	MAA14665F	MAA-LRL	Elfy †		10/04/2009	33 mo	Old age, natural death	♀
✓	MAA18018M	MAA	Tweed †	Gédéon	02/02/2010	22 mo	Other	♂
✓	MAA18014F	MAA	Taratata †	Patate-rat	02/02/2010	21 mo	Undetermined cause	♀
✓	MAA18017F	MAA	Tartelette †		02/02/2010	– ?? –	No information	♀
✓	MAA14674F	MAA	Mandy †		17/06/2009	25 mo	Undetermined cause	♀
✓	MAA14696M	MAA	Spoon †		17/06/2009	25 mo	Veterinary accident	♂
✓	MAA14663F	MAA-LRL	Mimi †		10/04/2009	23 mo	Undetermined cause	♀
✓	MAA14662F	MAA-LRL	Karma †		10/04/2009	23 mo	Undetermined tumor	♀
✓	MAA14676F	MAA	Maya †		17/06/2009	21 mo	Undetermined cause	♀