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	146 rats
⨽ females	⨽ 76 females (52.1 %)
⨽ males	⨽ 70 males (47.9 %)

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	0.921 (about 12 females for 11 males)

Lifespan statistics

Bred rats recorded as deceased	37 rats (31.1 % of recorded bred rats)
⨽ declared with known date	⨽ 34 rats (91.9 %)
⨽ presumed dead	⨽ 3 rats (8.1 %)

Average lifespan of bred rats	18 months (♀: 19.8 months – ♂: 16.9 months)
⨽ infant mortality excluded	⨽ 21.1 months (♀: 23.4 months – ♂: 19.6 months)
⨽ accidents excluded	⨽ 22.7 months (♀: 23.4 months – ♂: 22.1 months)

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

Death causes statistics

Primary death causes by decreasing frequency

23.53 %	Respiratory
20.59 %	Neurological (brain, spinal cords, nerves)
14.71 %	Infant mortality (up to 6 week old)
14.71 %	Eye, ear, mouth, face
8.82 %	Other
8.82 %	Reproductive system
8.82 %	Accidents, traumas, poisonings

Secondary death causes by decreasing frequency

14.71 %	Bronchitis, pneumonia
11.76 %	Pituitary tumor
8.82 %	Generalized cancer, leukemia, lymphoma
8.82 %	Mammary tumor
8.82 %	*Infant mortality (up to 6 week old)
5.88 %	Other infant mortality cause
5.88 %	Facial tumor (excluding Zymbal tumor)
5.88 %	*Neurological (brain, spinal cords, nerves)
2.94 %	Facial abscess (excluding teeth and Zymbal gland)
2.94 %	Falls, fractures, head or spinal cord trauma (excluding fights)
2.94 %	Other head or neck related trouble
2.94 %	Brain tumor
2.94 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
2.94 %	Lung tumor
2.94 %	Pulmonary edema
2.94 %	Domestic accident (crush, door...)
2.94 %	Dental malocclusion
2.94 %	*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
✗	HDL58279M	HDL-ARD	Mars †	Le Festival de C*nnes	27/01/2023	19 mo	Other respiratory trouble	♂
✓	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	♀
✗	HDL58300F	HDL-FAE	Gigi †	Are You Gonna Be My Girl ?	24/01/2023	– ?? –	No information	♀
✗	HDL58295F	HDL-FAE	Pistache †	Do I Wanna Know ?	24/01/2023	– ?? –	No information	♀
✓	HDL58299M	HDL-FAE	Cú †	Qu'est-ce que j'oublie ?	24/01/2023	29 mo	Facial tumor	♂
✓	HDL59750M	HDL	Pikly †	A Flame in my Heart	04/05/2024	16 mo	Bronchitis, pneumonia	♂
✓	HDL59749M	HDL	Jumba †	Smithereen	04/05/2024	16 mo	Bronchitis, pneumonia	♂
✓	HDL58285M	HDL-FAE	Ugly Boy †	Should I Stay or Should I Go?	24/01/2023	30 mo	Dental malocclusion	♂