PPR – Les petits Pirates 

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Statistics

Breeding statistics

Breeding activity period	2021–2024 (2 years, 8 months)

Declared litters	16 litters, 126 pups
⨽ internal (born in the rattery)	⨽ 14 litters, 100 pups
⨽ external (other contributed litters)	⨽ 2 litters, 26 pups

All rat records	122 rats
⨽ females	⨽ 67 females (54.9 %)
⨽ males	⨽ 55 males (45.1 %)

Litter statistics

Average mother age	262 days (8.6 months)
Average father age	470 days (15.4 months)
Average litter size	7.9 pups per litter
Average sex ratio	0.821 (about 11 females for 9 males)

Lifespan statistics

Bred rats recorded as deceased	16 rats (16.7 % of recorded bred rats)
⨽ declared with known date	⨽ 15 rats (93.8 %)
⨽ presumed dead	⨽ 1 rat (6.3 %)

Average lifespan of bred rats	19.6 months (♀: 20 months – ♂: 18.9 months)
⨽ infant mortality excluded	⨽ 19.6 months (♀: 20 months – ♂: 18.9 months)
⨽ accidents excluded	⨽ 20.5 months (♀: 21.4 months – ♂: 18.9 months)

Oldest bred rat	PPR Yuzu (deceased at 2 years, 3 months, 21 days)

Death causes statistics

Primary death causes by decreasing frequency

33.33 %	Unknown cause
20 %	Reproductive system
20 %	Old age, natural death (from 24 month old minimum)
13.33 %	Respiratory
6.67 %	Accidents, traumas, poisonings
6.67 %	Neurological (brain, spinal cords, nerves)

Secondary death causes by decreasing frequency

33.33 %	Undetermined cause (known date)
20 %	*Old age, natural death (from 24 month old minimum)
13.33 %	Mammary tumor
6.67 %	Stroke
6.67 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
6.67 %	Complications of gestation or parturition
6.67 %	Bronchitis, pneumonia
6.67 %	Lung tumor

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	23/04/2024	DPR Brie Sheridan	PPR Oscar	13
✓	05/09/2023	PPR Nyx	PPR Chico	3
♺	23/08/2023	PPR Maki	PPR Azrael	15
✓	01/08/2023	PPR Yuki	IND Eik	2
✓	15/06/2023	PPR Misty	DPR Montana	13
✓	04/06/2023	PPR Grenadine	IND Eik	9
✓	18/02/2023	PPR-PPC Dune	IND Thor	11
✓	25/01/2023	DPR Sweet	IND Asmodée	10
✓	08/01/2023	LPH Akira	DPR Wall-E	3
✓	30/12/2022	PPR Nébula	DPR Jogo	6

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	PPR59310F	PPR	Chia		23/08/2023	26 mo	– alive –	♀
✓	PPR59779F	PPR	Charlotte		23/08/2023	26 mo	– alive –	♀
✓	PPR59307M	PPR	Sirop †		04/06/2023	– ?? –	No information	♂
✓	PPR59311F	PPR	Quinoa †		05/09/2023	18 mo	Undetermined cause	♀
✓	PPR58223F	PPR	Tagada †		25/01/2023	24 mo	Undetermined cause	♀
✓	PPR57660F	PPR	Bouh †		24/10/2022	28 mo	Old age, natural death	♀
✓	PPR58237F	PPR	Benzozia †		18/02/2023	26 mo	Stroke	♀
✓	PPR57796F	PPR	Gemma †		30/12/2022	26 mo	Mammary tumor	♀
✓	PPR58224M	PPR	Dragibus †		25/01/2023	20 mo	Undetermined cause	♂
✓	PPR59308M	PPR	Everest		01/08/2023	27 mo	– alive –	♂