CHL – Les Candy Ratons 

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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	207 rats
⨽ females	⨽ 94 females (45.4 %)
⨽ males	⨽ 113 males (54.6 %)

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	1.202 (about 6 males for 5 females)

Lifespan statistics

Bred rats recorded as deceased	112 rats (56.3 % 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 %	Reproductive system
7.14 %	Old age, natural death (from 24 month old minimum)
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 %	Pituitary tumor
3.06 %	Complications of gestation or parturition
3.06 %	Domestic accident (crush, door...)
3.06 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
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)
1.02 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
1.02 %	Muscle tumor
1.02 %	Brain infection, encephalitis, meningitis

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
✓	CHL62726M	CHL	Sam		07/06/2026	4 mo	– alive –	♂
✓	CHL62729M	CHL	Sauron		07/06/2026	4 mo	– alive –	♂
✗	CHL62732F	CHL-DNR	Brioche †		29/04/2026	2 mo	Undetermined cause	♀
✓	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	♂
✓	CHL62727F	CHL	Tauriel		07/06/2026	4 mo	– alive –	♀
✓	CHL62731M	CHL	Legolas		07/06/2026	4 mo	– alive –	♂
✓	CHL62724M	CHL	Gimli		07/06/2026	4 mo	– alive –	♂
✓	CHL62730F	CHL	Galadriel		07/06/2026	4 mo	– alive –	♀
✓	CHL62728F	CHL	Eowyn		07/06/2026	4 mo	– alive –	♀