HDL – Les Histoires de Lune 

Statistics

Breeding statistics

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

Declared litters	14 litters, 150 pups
⨽ internal (born in the rattery)	⨽ 11 litters, 123 pups
⨽ external (other contributed litters)	⨽ 3 litters, 27 pups

All rat records	165 rats
⨽ females	⨽ 88 females (53.3 %)
⨽ males	⨽ 77 males (46.7 %)

Litter statistics

Average mother age	254 days (8.3 months)
Average father age	618 days (20.3 months)
Average litter size	10.7 pups per litter
Average sex ratio	0.892 (about 9 females for 8 males)

Lifespan statistics

Bred rats recorded as deceased	42 rats (34.4 % 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	15
✓	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
✓	HDL58287F	HDL-FAE	Morag MacKenzie †	Is everybody going crazy ?	24/01/2023	33 mo	Old age, natural death	♀
✗	HDL61901M	HDL	Poljubac	An invitation you can’t decline	10/12/2024	13 mo	– alive –	♂
✓	HDL58288M	HDL-FAE	Cloud †	Could you be loved ?	24/01/2023	35 mo	Old age, natural death	♂
✓	HDL58279M	HDL-ARD	Mars †	Le Festival de C*nnes	27/01/2023	19 mo	Respiratory	♂
✓	HDL61360F	HDL	Fourmi	Bisou	29/12/2024	13 mo	– alive –	♀
✓	HDL58295F	HDL-FAE	Pistache †	Do I Wanna Know ?	24/01/2023	– ?? –	No information	♀
✓	HDL58300F	HDL-FAE	Gigi †	Are You Gonna Be My Girl ?	24/01/2023	– ?? –	No information	♀
✓	HDL58293F	HDL-FAE	Macha †	What's Love Got To Do With It ?	24/01/2023	30 mo	Neurological	♀
✓	HDL58686F	HDL	Tampoufle †		11/09/2023	18 mo	Bronchitis, pneumonia	♀
✓	HDL59759F	HDL-TDC	Arabella †		01/11/2023	24 mo	Mammary tumor	♀