HDL – Les Histoires de Lune 

Statistics

Breeding statistics

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

Declared litters	13 litters, 136 pups
⨽ internal (born in the rattery)	⨽ 10 litters, 109 pups
⨽ external (other contributed litters)	⨽ 3 litters, 27 pups

All rat records	136 rats
⨽ females	⨽ 73 females (53.7 %)
⨽ males	⨽ 63 males (46.3 %)

Litter statistics

Average mother age	256 days (8.4 months)
Average father age	607 days (19.9 months)
Average litter size	10.5 pups per litter
Average sex ratio	0.863 (about 7 females for 6 males)

Lifespan statistics

Bred rats recorded as deceased	24 rats (22 % of recorded bred rats)
⨽ declared with known date	⨽ 21 rats (87.5 %)
⨽ presumed dead	⨽ 3 rats (12.5 %)

Average lifespan of bred rats	14.4 months (♀: 16.1 months – ♂: 13.4 months)
⨽ infant mortality excluded	⨽ 18.9 months (♀: 21.3 months – ♂: 17.4 months)
⨽ accidents excluded	⨽ 20.2 months (♀: 21.3 months – ♂: 19.3 months)

Oldest bred rat	HDL-FAE Shady Fat Rat (deceased at 2 years, 1 month, 8 days)

Death causes statistics

Primary death causes by decreasing frequency

23.81 %	Infant mortality (up to 6 week old)
23.81 %	Respiratory
19.05 %	Neurological (brain, spinal cords, nerves)
9.52 %	Eye, ear, mouth, face
9.52 %	Other
9.52 %	Accidents, traumas, poisonings
4.76 %	Reproductive system

Secondary death causes by decreasing frequency

14.29 %	*Infant mortality (up to 6 week old)
9.52 %	Generalized cancer, leukemia, lymphoma
9.52 %	Pituitary tumor
9.52 %	Bronchitis, pneumonia
9.52 %	Other infant mortality cause
4.76 %	Other head or neck related trouble
4.76 %	Mammary tumor
4.76 %	Lung tumor
4.76 %	Pulmonary edema
4.76 %	Domestic accident (crush, door...)
4.76 %	Facial abscess (excluding teeth and Zymbal gland)
4.76 %	Falls, fractures, head or spinal cord trauma (excluding fights)
4.76 %	Brain tumor
4.76 %	*Neurological (brain, spinal cords, nerves)
4.76 %	*Respiratory

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	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
✓	27/01/2023	HDL Space Monkey	OKA Jupiter	8

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	HDL61355M	HDL	Fauve	Pocałunek	29/12/2024	4 mo	– alive –	♂
✓	HDL61356M	HDL	Nyium		29/12/2024	4 mo	– alive –	♂
✓	HDL61357F	HDL	Tseluvka		29/12/2024	4 mo	– alive –	♀
✓	HDL61358F	HDL	Chummee	Chummee	29/12/2024	4 mo	– alive –	♀
✓	HDL61359M	HDL	Fili		29/12/2024	4 mo	– alive –	♂
✓	HDL61360F	HDL	Fourmi	Bisou	29/12/2024	4 mo	– alive –	♀
✓	HDL61361M	HDL	Coda	Honi	29/12/2024	4 mo	– alive –	♂
✓	HDL61362M	HDL	Madness	Muxu	29/12/2024	4 mo	– alive –	♂
✓	HDL61363M	HDL	Alakay The Lion	Chiku	29/12/2024	4 mo	– alive –	♂
✓	HDL61364F	HDL	Suudella		29/12/2024	4 mo	– alive –	♀