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	147 rats
⨽ females	⨽ 78 females (53.1 %)
⨽ males	⨽ 69 males (46.9 %)

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	0.885 (about 9 females for 8 males)

Lifespan statistics

Bred rats recorded as deceased	29 rats (24.2 % of recorded bred rats)
⨽ declared with known date	⨽ 26 rats (89.7 %)
⨽ presumed dead	⨽ 3 rats (10.3 %)

Average lifespan of bred rats	16.1 months (♀: 18.6 months – ♂: 14.5 months)
⨽ infant mortality excluded	⨽ 19.9 months (♀: 23.2 months – ♂: 17.8 months)
⨽ accidents excluded	⨽ 22 months (♀: 23.2 months – ♂: 21 months)

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

Death causes statistics

Primary death causes by decreasing frequency

19.23 %	Respiratory
19.23 %	Infant mortality (up to 6 week old)
19.23 %	Neurological (brain, spinal cords, nerves)
11.54 %	Eye, ear, mouth, face
11.54 %	Other
11.54 %	Accidents, traumas, poisonings
7.69 %	Reproductive system

Secondary death causes by decreasing frequency

11.54 %	Generalized cancer, leukemia, lymphoma
11.54 %	Pituitary tumor
11.54 %	*Infant mortality (up to 6 week old)
7.69 %	Bronchitis, pneumonia
7.69 %	Other infant mortality cause
7.69 %	Mammary tumor
3.85 %	Brain tumor
3.85 %	Other head or neck related trouble
3.85 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
3.85 %	Lung tumor
3.85 %	Pulmonary edema
3.85 %	Domestic accident (crush, door...)
3.85 %	Facial tumor (excluding Zymbal tumor)
3.85 %	Facial abscess (excluding teeth and Zymbal gland)
3.85 %	Falls, fractures, head or spinal cord trauma (excluding fights)
3.85 %	*Neurological (brain, spinal cords, nerves)
3.85 %	*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
✓	HDL61588M	HDL-RMJ	Patatras !		02/03/2025	6 mo	– alive –	♂
✓	HDL61593F	HDL-RMJ	Niark Niark !		02/03/2025	6 mo	– alive –	♀
✗	HDL58296M	HDL-FAE	Oups †	C'est Quand Qu'on Va Où ?	24/01/2023	30 mo	Neurological	♂
✗	HDL58285M	HDL-FAE	Ugly Boy †	Should I Stay or Should I Go?	24/01/2023	30 mo	Other known cause fitting no other category	♂
✓	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 –	♂