CHL – Les Candy Ratons 

About

Statistics

Breeding statistics

Breeding activity period	2014–2026 (11 years, 6 months)

Declared litters	19 litters, 155 pups
⨽ internal (born in the rattery)	⨽ 18 litters, 147 pups
⨽ external (other contributed litters)	⨽ 1 litter, 8 pups

All rat records	165 rats
⨽ females	⨽ 73 females (44.2 %)
⨽ males	⨽ 92 males (55.8 %)

Litter statistics

Average mother age	252 days (8.3 months)
Average father age	564 days (18.5 months)
Average litter size	8.2 pups per litter
Average sex ratio	1.26 (about 5 males for 4 females)

Lifespan statistics

Bred rats recorded as deceased	107 rats (68.2 % of recorded bred rats)
⨽ declared with known date	⨽ 93 rats (86.9 %)
⨽ presumed dead	⨽ 14 rats (13.1 %)

Average lifespan of bred rats	23.6 months (♀: 22.4 months – ♂: 24.4 months)
⨽ infant mortality excluded	⨽ 23.6 months (♀: 22.4 months – ♂: 24.4 months)
⨽ accidents excluded	⨽ 23.8 months (♀: 22.6 months – ♂: 24.6 months)

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

Death causes statistics

Primary death causes by decreasing frequency

29.03 %	Unknown cause
16.13 %	Other
13.98 %	Respiratory
10.75 %	Neurological (brain, spinal cords, nerves)
7.53 %	Reproductive system
7.53 %	Old age, natural death (from 24 month old minimum)
7.53 %	Cardiovascular
4.3 %	Accidents, traumas, poisonings
2.15 %	Muscles and skeleton
1.08 %	Eye, ear, mouth, face

Secondary death causes by decreasing frequency

29.03 %	Undetermined cause (known date)
8.6 %	Bronchitis, pneumonia
8.6 %	Undetermined tumor (affected organ unknown)
7.53 %	*Old age, natural death (from 24 month old minimum)
5.38 %	*Respiratory
4.3 %	Heart failure, valvular disease
4.3 %	Mammary tumor
4.3 %	Undetermined infection or abscess
4.3 %	*Neurological (brain, spinal cords, nerves)
3.23 %	Complications of gestation or parturition
3.23 %	Domestic accident (crush, door...)
3.23 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
3.23 %	Pituitary tumor
2.15 %	Other heart or vascular problem
1.08 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
1.08 %	Muscle tumor
1.08 %	Brain infection, encephalitis, meningitis
1.08 %	Progressive spinal cord damage, degenerative paralysis
1.08 %	Facial abscess (excluding teeth and Zymbal gland)
1.08 %	Stroke
1.08 %	Bone tumor
1.08 %	Hemorrhage (exaggerated relative to the context, coagulation disorder, hemophilia)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✗	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
✓	18/01/2025	DNR-CHL Zhonya	CHL Bounty	15
✓	13/06/2024	DNR Nightsong	CHL Boaz	8
✓	21/10/2023	CHL Marjolaine	TDC Monaco	8

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	CHL62294F	CHL	Coriandre	Bongo	22/11/2025	5 mo	– alive –	♀
✓	CHL62274F	CHL	Benito		22/11/2025	5 mo	– alive –	♀
✓	CHL62282F	CHL	Frhanque		24/02/2026	2 mo	– alive –	♀
✓	CHL62279F	CHL	Hannn		24/02/2026	2 mo	– alive –	♀
✓	CHL62281M	CHL	Nykhaula		24/02/2026	2 mo	– alive –	♂
✓	CHL62280M	CHL	Jahn-Renez		24/02/2026	2 mo	– alive –	♂
✓	CHL62277M	CHL	Hair-nest		24/02/2026	2 mo	– alive –	♂
✓	CHL52842M	CHL	Lemon Tree †		24/05/2019	31 mo	Undetermined cause	♂
✓	CHL50934M	CHL-NMS	Trevor †		28/04/2018	30 mo	Undetermined cause	♂
✓	CHL50935M	CHL-NMS	Ronald †		28/04/2018	30 mo	Undetermined cause	♂