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	18 rats (85.7 % of recorded bred rats)
⨽ declared with known date	⨽ 18 rats (100 %)
⨽ presumed dead	⨽ No rat (0 %)

Average lifespan of bred rats	19.2 months (♀: 17 months – ♂: 22 months)
⨽ infant mortality excluded	⨽ 20.3 months (♀: 18.8 months – ♂: 22 months)
⨽ accidents excluded	⨽ 20.4 months (♀: 18.8 months – ♂: 22.5 months)

Oldest bred rat	MAL-PVC Artémis (deceased at 2 years, 11 months, 5 days)

Death causes statistics

Primary death causes by decreasing frequency

33.33 %	Respiratory
27.78 %	Eye, ear, mouth, face
11.11 %	Old age, natural death (from 24 month old minimum)
11.11 %	Unknown cause
5.56 %	Infant mortality (up to 6 week old)
5.56 %	Accidents, traumas, poisonings
5.56 %	Reproductive system

Secondary death causes by decreasing frequency

16.67 %	Bronchitis, pneumonia
11.11 %	Facial tumor (excluding Zymbal tumor)
11.11 %	Undetermined cause (known date)
11.11 %	*Respiratory
11.11 %	*Old age, natural death (from 24 month old minimum)
5.56 %	Zymbal gland tumor
5.56 %	Other head related trouble
5.56 %	Malformation, hydrocephalus
5.56 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
5.56 %	Other respiratory trouble
5.56 %	Complications of gestation or parturition
5.56 %	*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
✓	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 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	♂
✓	MAL57930F	MAL	Tissaya †		07/03/2023	15 mo	Facial tumor	♀
✓	MAL56384F	MAL-PVC	Perséphone †		30/12/2021	7 mo	Complications of gestation or parturition	♀
✓	MAL56392F	MAL-PVC	Dafne †		30/12/2021	16 mo	Bronchitis, pneumonia	♀