HPM – Hope au pays des merveilles 

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Statistics

Breeding statistics

Breeding activity period	2023–2026 (3 years, 2 months)

Declared litters	8 litters, 96 pups
⨽ internal (born in the rattery)	⨽ 7 litters, 83 pups
⨽ external (other contributed litters)	⨽ 1 litter, 13 pups

All rat records	96 rats
⨽ females	⨽ 50 females (52.1 %)
⨽ males	⨽ 46 males (47.9 %)

Litter statistics

Average mother age	228 days (7.5 months)
Average father age	533 days (17.5 months)
Average litter size	12 pups per litter
Average sex ratio	0.92 (about 12 females for 11 males)

Lifespan statistics

Bred rats recorded as deceased	32 rats (38.6 % of recorded bred rats)
⨽ declared with known date	⨽ 29 rats (90.6 %)
⨽ presumed dead	⨽ 3 rats (9.4 %)

Average lifespan of bred rats	19.9 months (♀: 20.6 months – ♂: 18.9 months)
⨽ infant mortality excluded	⨽ 21.4 months (♀: 21.8 months – ♂: 20.8 months)
⨽ accidents excluded	⨽ 22.7 months (♀: 21.1 months – ♂: 25.7 months)

Oldest bred rat	HPM-LPM Lincoln (deceased at 2 years, 8 months, 11 days)

Death causes statistics

Primary death causes by decreasing frequency

34.48 %	Respiratory
10.34 %	Accidents, traumas, poisonings
10.34 %	Old age, natural death (from 24 month old minimum)
6.9 %	Other
6.9 %	Reproductive system
6.9 %	Unknown cause
6.9 %	Infant mortality (up to 6 week old)
6.9 %	Eye, ear, mouth, face
6.9 %	Neurological (brain, spinal cords, nerves)
3.45 %	Digestive

Secondary death causes by decreasing frequency

17.24 %	Bronchitis, pneumonia
10.34 %	Other respiratory trouble
10.34 %	*Old age, natural death (from 24 month old minimum)
6.9 %	Uterine tumor
6.9 %	Undetermined cause (known date)
6.9 %	*Infant mortality (up to 6 week old)
6.9 %	*Respiratory
3.45 %	Domestic accident (crush, door...)
3.45 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
3.45 %	Zymbal gland tumor
3.45 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
3.45 %	Progressive spinal cord damage, degenerative paralysis
3.45 %	Other tumor (salivary, spleen, adrenal, thyroid...)
3.45 %	Digestive hemorrhage
3.45 %	Facial abscess (excluding teeth and Zymbal gland)
3.45 %	Generalized cancer, leukemia, lymphoma
3.45 %	Pituitary tumor

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	13/05/2026	HPM-RMJ Elena Fuente	HDL Saparazar	8
✓	18/02/2026	CHC Syanna	HPM-DEL Jivara	13
✓	28/08/2025	HPM April	HPM-DEL Django	14
✓	21/01/2025	RB. Ellie	CHC Déimos	12
✓	17/11/2024	HPM-DEL Azelia	HPM-LPM Murphy	7
✓	31/03/2024	HDL Mumière	DEL-LVM Vélociraptor	17
✓	16/02/2023	LPM Perle	LPM-PEX Hiboo	15
✓	14/02/2023	LPM Aïoli	LPM-PEX Pampelune	10

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	HPM62510M	HPM-HDL	Feirge		13/05/2026	3 mo	– alive –	♂
✓	HPM62511M	HPM-HDL	Teine		13/05/2026	3 mo	– alive –	♂
✓	HPM62505F	HPM-HDL	Andarna		13/05/2026	3 mo	– alive –	♀
✓	HPM62506F	HPM-HDL	Sgaeyl		13/05/2026	3 mo	– alive –	♀
✓	HPM62507F	HPM-HDL	Glane		13/05/2026	3 mo	– alive –	♀
✓	HPM62508M	HPM-HDL	Muffin	Aotrom	13/05/2026	3 mo	– alive –	♂
✓	HPM62509M	HPM-HDL	Tairn		13/05/2026	3 mo	– alive –	♂
✓	HPM62512M	HPM-HDL	Sliseag		13/05/2026	3 mo	– alive –	♂
✓	HPM59673F	HPM-DEL	Lactée †	Lactée	31/03/2024	25 mo	Undetermined cause	♀
✓	HPM59664M	HPM-DEL	Gianduja †	Gianduja	31/03/2024	23 mo	Other respiratory trouble	♂