HPM – Hope au pays des merveilles 

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Statistics

Breeding statistics

Breeding activity period	2023–2025 (2 years, 6 months)

Declared litters	6 litters, 75 pups
⨽ internal (born in the rattery)	⨽ 6 litters, 75 pups
⨽ external (other contributed litters)	⨽ 0 litter, no pup

All rat records	71 rats
⨽ females	⨽ 44 females (62 %)
⨽ males	⨽ 27 males (38 %)

Litter statistics

Average mother age	229 days (7.5 months)
Average father age	509 days (16.7 months)
Average litter size	12.5 pups per litter
Average sex ratio	0.614 (about 13 females for 8 males)

Lifespan statistics

Bred rats recorded as deceased	26 rats (36.6 % of recorded bred rats)
⨽ declared with known date	⨽ 26 rats (100 %)
⨽ presumed dead	⨽ No rat (0 %)

Average lifespan of bred rats	19.5 months (♀: 20.3 months – ♂: 18.1 months)
⨽ infant mortality excluded	⨽ 21.2 months (♀: 21.6 months – ♂: 20.4 months)
⨽ accidents excluded	⨽ 22.6 months (♀: 20.9 months – ♂: 26.7 months)

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

Death causes statistics

Primary death causes by decreasing frequency

30.77 %	Respiratory
11.54 %	Old age, natural death (from 24 month old minimum)
11.54 %	Accidents, traumas, poisonings
7.69 %	Other
7.69 %	Reproductive system
7.69 %	Infant mortality (up to 6 week old)
7.69 %	Eye, ear, mouth, face
7.69 %	Neurological (brain, spinal cords, nerves)
3.85 %	Digestive
3.85 %	Unknown cause

Secondary death causes by decreasing frequency

15.38 %	Bronchitis, pneumonia
11.54 %	*Old age, natural death (from 24 month old minimum)
7.69 %	Other respiratory trouble
7.69 %	Uterine tumor
7.69 %	*Respiratory
7.69 %	*Infant mortality (up to 6 week old)
3.85 %	Zymbal gland tumor
3.85 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
3.85 %	Progressive spinal cord damage, degenerative paralysis
3.85 %	Other tumor (salivary, spleen, adrenal, thyroid...)
3.85 %	Digestive hemorrhage
3.85 %	Undetermined cause (known date)
3.85 %	Facial abscess (excluding teeth and Zymbal gland)
3.85 %	Generalized cancer, leukemia, lymphoma
3.85 %	Pituitary tumor
3.85 %	Domestic accident (crush, door...)
3.85 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	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
✓	HPM59637M	HPM-LPM	Lincoln †	Lincoln	16/02/2023	32 mo	Other respiratory trouble	♂
✓	HPM61745F	HPM-RMJ	Taffyta Muttonfudge	Molly Stark	28/08/2025	2 mo	– alive –	♀
✓	HPM61749F	HPM-RMJ	Vanellope Von Schweetz	Rose Doolan	28/08/2025	2 mo	– alive –	♀
✗	HPM61751F	HPM-RMJ	Gus Gus	Jesse Jones	28/08/2025	2 mo	– alive –	♂
✗	HPM61752M	HPM-RMJ	Smocky	Black Jack	28/08/2025	2 mo	– alive –	♂
✗	HPM61754M	HPM-RMJ	Charlie	Lucky Duke	28/08/2025	2 mo	– alive –	♂
✗	HPM61756M	HPM-RMJ	Joe l'Apache		28/08/2025	2 mo	– alive –	♂
✓	HPM59502F	HPM-LPM	Willow †	Raven	14/02/2023	32 mo	Veterinary accident	♀
✓	HPM61747F	HPM-RMJ	Véra Custer		28/08/2025	2 mo	– alive –	♀
✓	HPM61748F	HPM-RMJ	Suzy Lafayette		28/08/2025	2 mo	– alive –	♀