MAL – Les Rats de Mallo  ☾

Statistics

Breeding statistics

Breeding activity period	2021–2023 (1 year, 2 months)

Declared litters	2 litters, 21 pups
⨽ internal (born in the rattery)	⨽ 2 litters, 21 pups
⨽ external (other contributed litters)	⨽ 0 litter, no pup

All rat records	21 rats
⨽ females	⨽ 13 females (61.9 %)
⨽ males	⨽ 8 males (38.1 %)

Litter statistics

Average mother age	195 days (6.4 months)
Average father age	427 days (14 months)
Average litter size	10.5 pups per litter
Average sex ratio	0.615 (about 13 females for 8 males)

Lifespan statistics

Bred rats recorded as deceased	21 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 21 rats (100 %)
⨽ presumed dead	⨽ No rat (0 %)

Average lifespan of bred rats	20.7 months (♀: 19.9 months – ♂: 22 months)
⨽ infant mortality excluded	⨽ 21.7 months (♀: 21.4 months – ♂: 22 months)
⨽ accidents excluded	⨽ 21.8 months (♀: 21.4 months – ♂: 22.5 months)

Oldest bred rat	MAL-PVC Olympe (deceased at 3 years, 3 months, 1 day)

Death causes statistics

Primary death causes by decreasing frequency

38.1 %	Respiratory
23.81 %	Eye, ear, mouth, face
14.29 %	Old age, natural death (from 24 month old minimum)
9.52 %	Unknown cause
4.76 %	Reproductive system
4.76 %	Infant mortality (up to 6 week old)
4.76 %	Accidents, traumas, poisonings

Secondary death causes by decreasing frequency

14.29 %	Other respiratory trouble
14.29 %	Bronchitis, pneumonia
14.29 %	*Old age, natural death (from 24 month old minimum)
9.52 %	Undetermined cause (known date)
9.52 %	Facial tumor (excluding Zymbal tumor)
9.52 %	*Respiratory
4.76 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
4.76 %	Complications of gestation or parturition
4.76 %	Zymbal gland tumor
4.76 %	Other head or neck related trouble
4.76 %	Malformation, hydrocephalus
4.76 %	*Eye, ear, mouth, face

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	07/03/2023	VIC Zelda	MAL-PVC Alpha	8
✓	30/12/2021	MIL-LPM Hermione	MIL Omega	13

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	MAL58026F	MAL	Ariane †		07/03/2023	26 mo	Other respiratory trouble	♀
✓	MAL56385F	MAL-PVC	Olympe †		30/12/2021	39 mo	Old age, natural death	♀
✓	MAL57928F	MAL	Ellie †		07/03/2023	24 mo	Other respiratory trouble	♀
✓	MAL58027F	MAL	Pénélope †		07/03/2023	23 mo	Other respiratory trouble	♀
✓	MAL56388F	MAL-PVC	Artémis †		30/12/2021	35 mo	Old age, natural death	♀
✓	MAL57926M	MAL	Cassian †		07/03/2023	18 mo	Fights, injuries, etc.	♂
✓	MAL57929M	MAL	Joke †		07/03/2023	18 mo	Eye, ear, mouth, etc.	♀
✓	MAL56391M	MAL-PVC	Minus †		30/12/2021	21 mo	Other head or neck related trouble	♂
✓	MAL57927M	MAL	Björn †		07/03/2023	17 mo	Bronchitis, pneumonia	♂
✓	MAL56393M	MAL-PVC	Ragnar †		30/12/2021	31 mo	Old age, natural death	♂