CHL – Les Candy Ratons 

About

Statistics

Breeding statistics

Breeding activity period	2014–2026 (11 years, 8 months)

Declared litters	24 litters, 202 pups
⨽ internal (born in the rattery)	⨽ 23 litters, 194 pups
⨽ external (other contributed litters)	⨽ 1 litter, 8 pups

All rat records	205 rats
⨽ females	⨽ 94 females (45.9 %)
⨽ males	⨽ 111 males (54.1 %)

Litter statistics

Average mother age	263 days (8.6 months)
Average father age	566 days (18.6 months)
Average litter size	8.4 pups per litter
Average sex ratio	1.181 (about 13 males for 11 females)

Lifespan statistics

Bred rats recorded as deceased	112 rats (56.9 % of recorded bred rats)
⨽ declared with known date	⨽ 98 rats (87.5 %)
⨽ presumed dead	⨽ 14 rats (12.5 %)

Average lifespan of bred rats	23.1 months (♀: 21.8 months – ♂: 24.2 months)
⨽ infant mortality excluded	⨽ 23.1 months (♀: 21.8 months – ♂: 24.2 months)
⨽ accidents excluded	⨽ 23.3 months (♀: 22 months – ♂: 24.3 months)

Oldest bred rat	CHL Margrethe (deceased at 3 years, 6 months, 29 days)

Death causes statistics

Primary death causes by decreasing frequency

27.55 %	Unknown cause
15.31 %	Other
13.27 %	Respiratory
12.24 %	Cardiovascular
10.2 %	Neurological (brain, spinal cords, nerves)
7.14 %	Old age, natural death (from 24 month old minimum)
7.14 %	Reproductive system
4.08 %	Accidents, traumas, poisonings
2.04 %	Muscles and skeleton
1.02 %	Eye, ear, mouth, face

Secondary death causes by decreasing frequency

27.55 %	Undetermined cause (known date)
8.16 %	Bronchitis, pneumonia
8.16 %	Undetermined tumor (affected organ unknown)
7.14 %	*Old age, natural death (from 24 month old minimum)
6.12 %	Other heart or vascular problem
5.1 %	*Respiratory
4.08 %	Mammary tumor
4.08 %	Undetermined infection or abscess
4.08 %	Heart failure, valvular disease
4.08 %	*Neurological (brain, spinal cords, nerves)
3.06 %	Domestic accident (crush, door...)
3.06 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
3.06 %	Pituitary tumor
3.06 %	Complications of gestation or parturition
1.02 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
1.02 %	Muscle tumor
1.02 %	Brain infection, encephalitis, meningitis
1.02 %	Progressive spinal cord damage, degenerative paralysis
1.02 %	Heart attack, infarct, pulmonary embolism
1.02 %	Facial abscess (excluding teeth and Zymbal gland)
1.02 %	Stroke
1.02 %	Bone tumor
1.02 %	Hemorrhage (exaggerated relative to the context, coagulation disorder, hemophilia)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✗	07/06/2026	CHL Marine	CHL Serj	10
✓	30/04/2026	CHL Patacrepe	DNR-CHL Warmog	4
✓	29/04/2026	CHL Sally	DNR-CHL Warmog	12
✓	05/04/2026	CHL Alissa	DNR-CHL Warmog	6
✓	29/03/2026	CHL Marine	CHL Einar	13
✓	24/02/2026	CHL Louise	CHL Serj	12
✓	22/11/2025	CHL Louise	IND Karel	14
✓	09/10/2025	CHL Masha	TDC-PDI Thanos	8
✓	08/09/2025	IND Roseline	TDC-PDI Thanos	6
✓	01/05/2025	IND Roseline	TDC-PDI Thanos	5

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	CHL61012F	CHL	Amy †	Amy	18/01/2025	18 mo	Heart attack, etc.	♀
✓	CHL61005M	CHL	Serj †	Serj	18/01/2025	19 mo	Other heart or vascular problem	♂
✗	CHL62732F	CHL-DNR	Brioche †		29/04/2026	2 mo	Undetermined cause	♀
✓	CHL62727F	CHL	Tauriel		07/06/2026	3 mo	– alive –	♀
✗	CHL62729M	CHL	Sauron		07/06/2026	3 mo	– alive –	♂
✗	CHL62726M	CHL	Sam		07/06/2026	3 mo	– alive –	♂
✓	CHL62731M	CHL	Legolas		07/06/2026	3 mo	– alive –	♂
✓	CHL62724M	CHL	Gimli		07/06/2026	3 mo	– alive –	♂
✓	CHL62730F	CHL	Galadriel		07/06/2026	3 mo	– alive –	♀
✓	CHL62728F	CHL	Eowyn		07/06/2026	3 mo	– alive –	♀