HDL – Les Histoires de Lune 

Statistics

Breeding statistics

Breeding activity period	2022–2025 (3 years, 7 months)

Declared litters	15 litters, 153 pups
⨽ internal (born in the rattery)	⨽ 10 litters, 108 pups
⨽ external (other contributed litters)	⨽ 5 litters, 45 pups

All rat records	164 rats
⨽ females	⨽ 87 females (53 %)
⨽ males	⨽ 77 males (47 %)

Litter statistics

Average mother age	265 days (8.7 months)
Average father age	641 days (21 months)
Average litter size	10.2 pups per litter
Average sex ratio	0.902 (about 10 females for 9 males)

Lifespan statistics

Bred rats recorded as deceased	42 rats (34.7 % of recorded bred rats)
⨽ declared with known date	⨽ 37 rats (88.1 %)
⨽ presumed dead	⨽ 5 rats (11.9 %)

Average lifespan of bred rats	18.9 months (♀: 20.8 months – ♂: 17.7 months)
⨽ infant mortality excluded	⨽ 21.8 months (♀: 24.2 months – ♂: 20.4 months)
⨽ accidents excluded	⨽ 23.3 months (♀: 24.2 months – ♂: 22.7 months)

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

Death causes statistics

Primary death causes by decreasing frequency

24.32 %	Respiratory
18.92 %	Neurological (brain, spinal cords, nerves)
13.51 %	Infant mortality (up to 6 week old)
13.51 %	Eye, ear, mouth, face
8.11 %	Accidents, traumas, poisonings
8.11 %	Other
8.11 %	Reproductive system
5.41 %	Old age, natural death (from 24 month old minimum)

Secondary death causes by decreasing frequency

13.51 %	Bronchitis, pneumonia
10.81 %	Pituitary tumor
8.11 %	Generalized cancer, leukemia, lymphoma
8.11 %	Mammary tumor
8.11 %	*Infant mortality (up to 6 week old)
5.41 %	Facial tumor (excluding Zymbal tumor)
5.41 %	Other infant mortality cause
5.41 %	*Respiratory
5.41 %	*Old age, natural death (from 24 month old minimum)
5.41 %	*Neurological (brain, spinal cords, nerves)
2.7 %	Pulmonary edema
2.7 %	Domestic accident (crush, door...)
2.7 %	Dental malocclusion
2.7 %	Facial abscess (excluding teeth and Zymbal gland)
2.7 %	Falls, fractures, head or spinal cord trauma (excluding fights)
2.7 %	Other head or neck related trouble
2.7 %	Brain tumor
2.7 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
2.7 %	Lung tumor

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	16/11/2025	HDL Chummee	VGP-HDL Chaud lapin	9
✓	16/11/2025	HDL Chummee	VGP-HDL Chaud lapin	9
✓	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
✓	17/07/2024	HDL-TDC Kif-kif	CHC-DNR Smooch Criminal	12
✓	04/05/2024	HDL Tampoufle	DNR Pichu	15
✓	01/11/2023	HDL-ARD Selkie	TDC Ghibli	5
✓	20/09/2023	HDL-FAE Maïna	IND-DNR Dr Feelgood	11

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✗	HDL58692F	HDL	Mumière †	Mumière	11/09/2023	30 mo	Old age, natural death	♀
✓	HDL61276M	HDL	Poljubac	An Invitation you can't decline	10/12/2024	15 mo	– alive –	♂
✓	HDL61275M	HDL	Drop of a Hat	Drop of a Hat	10/12/2024	15 mo	– alive –	♂
✓	HDL61277M	HDL	Saparazar	Blow Your Mind	10/12/2024	15 mo	– alive –	♂
✓	HDL61278M	HDL	Moquette	Caviar and Cigarettes	10/12/2024	15 mo	– alive –	♂
✓	HDL61279M	HDL	Opus	Gunpowder	10/12/2024	15 mo	– alive –	♂
✓	HDL61280M	HDL	Aimé	Recommanded at the Price	10/12/2024	15 mo	– alive –	♂
✓	HDL61281M	HDL	Harley	Temporarily out of gas	10/12/2024	15 mo	– alive –	♂
✓	HDL61282F	HDL	Lana del Rat	Dynamite with a laser beam	10/12/2024	15 mo	– alive –	♀
✓	HDL61283F	HDL	Antoinette	Juste like Marie Antoinette	10/12/2024	15 mo	– alive –	♀