HDL – Les Histoires de Lune 

Statistics

Breeding statistics

Breeding activity period	2022–2025 (2 years, 11 months)

Declared litters	14 litters, 149 pups
⨽ internal (born in the rattery)	⨽ 11 litters, 122 pups
⨽ external (other contributed litters)	⨽ 3 litters, 27 pups

All rat records	149 rats
⨽ females	⨽ 78 females (52.3 %)
⨽ males	⨽ 71 males (47.7 %)

Litter statistics

Average mother age	254 days (8.3 months)
Average father age	618 days (20.3 months)
Average litter size	10.6 pups per litter
Average sex ratio	0.91 (about 11 females for 10 males)

Lifespan statistics

Bred rats recorded as deceased	31 rats (25.4 % of recorded bred rats)
⨽ declared with known date	⨽ 28 rats (90.3 %)
⨽ presumed dead	⨽ 3 rats (9.7 %)

Average lifespan of bred rats	17.1 months (♀: 18.6 months – ♂: 16.2 months)
⨽ infant mortality excluded	⨽ 20.8 months (♀: 23.2 months – ♂: 19.5 months)
⨽ accidents excluded	⨽ 22.8 months (♀: 23.2 months – ♂: 22.5 months)

Oldest bred rat	HDL-FAE Oups (deceased at 2 years, 6 months, 16 days)

Death causes statistics

Primary death causes by decreasing frequency

21.43 %	Neurological (brain, spinal cords, nerves)
17.86 %	Respiratory
17.86 %	Infant mortality (up to 6 week old)
14.29 %	Eye, ear, mouth, face
10.71 %	Other
10.71 %	Accidents, traumas, poisonings
7.14 %	Reproductive system

Secondary death causes by decreasing frequency

14.29 %	Pituitary tumor
10.71 %	Generalized cancer, leukemia, lymphoma
10.71 %	*Infant mortality (up to 6 week old)
7.14 %	Bronchitis, pneumonia
7.14 %	Other infant mortality cause
7.14 %	Mammary tumor
3.57 %	Facial abscess (excluding teeth and Zymbal gland)
3.57 %	Falls, fractures, head or spinal cord trauma (excluding fights)
3.57 %	Other head or neck related trouble
3.57 %	Brain tumor
3.57 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
3.57 %	Lung tumor
3.57 %	Pulmonary edema
3.57 %	Domestic accident (crush, door...)
3.57 %	Dental malocclusion
3.57 %	Facial tumor (excluding Zymbal tumor)
3.57 %	*Neurological (brain, spinal cords, nerves)
3.57 %	*Respiratory

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	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
✓	11/09/2023	HDL-ARD Saoirse	DNA-DNR Punki	7
✓	02/04/2023	DNR-DTC Ehlonna	IND-DNR Supermassive Black Owl	10

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	HDL58285M	HDL-FAE	Ugly Boy †	Should I Stay or Should I Go?	24/01/2023	30 mo	Dental malocclusion	♂
✓	HDL58296M	HDL-FAE	Oups †	C'est Quand Qu'on Va Où ?	24/01/2023	30 mo	Pituitary tumor	♂
✓	HDL61588M	HDL-RMJ	Patatras !		02/03/2025	6 mo	– alive –	♂
✓	HDL61593F	HDL-RMJ	Niark Niark !		02/03/2025	6 mo	– alive –	♀
✓	HDL58307F	HDL	Shamash †	Yamaha	02/04/2023	28 mo	Pituitary tumor	♀
✓	HDL58301F	HDL-FAE	Caitrìona MacKenzie †	Can You Feel The Love Tonight ?	24/01/2023	30 mo	Mammary tumor	♀
✓	HDL61584M	HDL-RMJ	Hopla !		02/03/2025	6 mo	– alive –	♂
✓	HDL61585M	HDL-RMJ	Oh la la !		02/03/2025	6 mo	– alive –	♂
✓	HDL61586M	HDL-RMJ	Plouf !		02/03/2025	6 mo	– alive –	♂
✓	HDL61587M	HDL-RMJ	Zaaap !		02/03/2025	6 mo	– alive –	♂