HDL – Les Histoires de Lune 

Statistics

Breeding statistics

Breeding activity period	2022–2026 (4 years, 4 months)

Declared litters	20 litters, 214 pups
⨽ internal (born in the rattery)	⨽ 14 litters, 161 pups
⨽ external (other contributed litters)	⨽ 6 litters, 53 pups

All rat records	211 rats
⨽ females	⨽ 106 females (50.2 %)
⨽ males	⨽ 105 males (49.8 %)

Litter statistics

Average mother age	262 days (8.6 months)
Average father age	639 days (20.9 months)
Average litter size	10.7 pups per litter
Average sex ratio	1.01 (about 1 male for 1 female)

Lifespan statistics

Bred rats recorded as deceased	61 rats (38.1 % of recorded bred rats)
⨽ declared with known date	⨽ 56 rats (91.8 %)
⨽ presumed dead	⨽ 5 rats (8.2 %)

Average lifespan of bred rats	19.7 months (♀: 21.6 months – ♂: 18.5 months)
⨽ infant mortality excluded	⨽ 22 months (♀: 25 months – ♂: 20.2 months)
⨽ accidents excluded	⨽ 24 months (♀: 25 months – ♂: 23.3 months)

Oldest bred rat	HDL-FAE Cloud (deceased at 2 years, 11 months, 4 days)

Death causes statistics

Primary death causes by decreasing frequency

19.64 %	Neurological (brain, spinal cords, nerves)
19.64 %	Respiratory
10.71 %	Infant mortality (up to 6 week old)
10.71 %	Eye, ear, mouth, face
10.71 %	Accidents, traumas, poisonings
8.93 %	Old age, natural death (from 24 month old minimum)
7.14 %	Other
5.36 %	Reproductive system
3.57 %	Cardiovascular
3.57 %	Unknown cause

Secondary death causes by decreasing frequency

10.71 %	Bronchitis, pneumonia
8.93 %	Pituitary tumor
8.93 %	*Old age, natural death (from 24 month old minimum)
7.14 %	Generalized cancer, leukemia, lymphoma
7.14 %	*Infant mortality (up to 6 week old)
5.36 %	Domestic accident (crush, door...)
5.36 %	Mammary tumor
5.36 %	*Neurological (brain, spinal cords, nerves)
3.57 %	Facial tumor (excluding Zymbal tumor)
3.57 %	Other head or neck related trouble
3.57 %	Other neurological trouble
3.57 %	Undetermined cause (known date)
3.57 %	Pulmonary edema
3.57 %	Other infant mortality cause
3.57 %	*Respiratory
1.79 %	Heart attack, infarct, pulmonary embolism
1.79 %	Dental malocclusion
1.79 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
1.79 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.79 %	Facial abscess (excluding teeth and Zymbal gland)
1.79 %	Falls, fractures, head or spinal cord trauma (excluding fights)
1.79 %	Brain tumor
1.79 %	Heart failure, valvular disease
1.79 %	Lung tumor

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	05/08/2026	HDL Suzie Poo	HPM Earl	11
✓	13/05/2026	HPM-RMJ Elena Fuente	HDL Saparazar	8
✓	22/11/2025	HDL-RMJ Zou !	HDL Pestacle	14
✓	16/11/2025	HDL Chummee	VGP-HDL Chaud lapin	9
✓	16/11/2025	HDL Chummee	VGP-HDL Chaud lapin	9
✓	20/08/2025	HDL Lana del Rat	HDL-TDC Itch	14
✓	02/03/2025	HDL Aaow	HDL-FAE Oups	13
✓	27/02/2025	OPR Mélitée du Mélampyre	HDL Fendi Mercury	5
✓	29/12/2024	HDL Cutie Patootie	HDL Jeff Bouclettes	10
✓	10/12/2024	HDL Sweetie Pie	HDL Fendi Mercury	14

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✗	HDL59748M	HDL	Piccolo †	Scarecrow Dreams	04/05/2024	19 mo	Other tumor	♂
✓	HDL62791M	HDL-HPM	Seven	Aang	05/08/2026	2 mo	– alive –	♂
✓	HDL62797M	HDL-HPM	Vlad l'empaleur	Meelo	05/08/2026	2 mo	– alive –	♂
✓	HDL60488M	HDL	Virgule †	Hey-ey !	17/07/2024	26 mo	Other neurological trouble	♂
✓	HDL62789M	HDL-HPM	Zuko		05/08/2026	2 mo	– alive –	♂
✓	HDL62795F	HDL-HPM	Suki		05/08/2026	2 mo	– alive –	♀
✓	HDL62790M	HDL-HPM	Salem	Iroh	05/08/2026	2 mo	– alive –	♂
✓	HDL62798M	HDL-HPM	Nosferatu	Sokka	05/08/2026	2 mo	– alive –	♂
✓	HDL62793M	HDL-HPM	Mantin	Gyatso	05/08/2026	2 mo	– alive –	♂
✓	HDL62796F	HDL-HPM	Katara		05/08/2026	2 mo	– alive –	♀