CHL – Les Candy Ratons 

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Statistics

Breeding statistics

Breeding activity period	2014–2025 (10 years, 11 months)

Declared litters	18 litters, 135 pups
⨽ internal (born in the rattery)	⨽ 17 litters, 127 pups
⨽ external (other contributed litters)	⨽ 1 litter, 8 pups

All rat records	133 rats
⨽ females	⨽ 60 females (45.1 %)
⨽ males	⨽ 73 males (54.9 %)

Litter statistics

Average mother age	265 days (8.7 months)
Average father age	554 days (18.2 months)
Average litter size	7.5 pups per litter
Average sex ratio	1.217 (about 11 males for 9 females)

Lifespan statistics

Bred rats recorded as deceased	78 rats (62.4 % of recorded bred rats)
⨽ declared with known date	⨽ 57 rats (73.1 %)
⨽ presumed dead	⨽ 21 rats (26.9 %)

Average lifespan of bred rats	23.3 months (♀: 20.5 months – ♂: 25.9 months)
⨽ infant mortality excluded	⨽ 23.3 months (♀: 20.5 months – ♂: 25.9 months)
⨽ accidents excluded	⨽ 23.9 months (♀: 21.3 months – ♂: 25.9 months)

Oldest bred rat	CHL-DMH Serge (deceased at 3 years, 4 months, 22 days)

Death causes statistics

Primary death causes by decreasing frequency

31.58 %	Other
21.05 %	Unknown cause
14.04 %	Respiratory
12.28 %	Old age, natural death (from 24 month old minimum)
7.02 %	Neurological (brain, spinal cords, nerves)
7.02 %	Accidents, traumas, poisonings
3.51 %	Reproductive system
1.75 %	Muscles and skeleton
1.75 %	Cardiovascular

Secondary death causes by decreasing frequency

21.05 %	Undetermined cause (known date)
17.54 %	Undetermined tumor (affected organ unknown)
12.28 %	*Old age, natural death (from 24 month old minimum)
8.77 %	Undetermined infection or abscess
8.77 %	*Respiratory
7.02 %	Domestic accident (crush, door...)
5.26 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
5.26 %	Bronchitis, pneumonia
5.26 %	*Neurological (brain, spinal cords, nerves)
3.51 %	Complications of gestation or parturition
1.75 %	Stroke
1.75 %	Bone tumor
1.75 %	Hemorrhage (exaggerated relative to the context, coagulation disorder, hemophilia)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	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
✓	31/03/2023	CHL Fleur	CHL David	5
✓	28/08/2022	CHL Esther	IND Dewee	9
✓	28/08/2022	IND Loïse	IND Dewee	2
✓	26/01/2022	IND Loïse	CHL Floki	9
✓	21/08/2021	CHL Siggy	CHL Floki	4

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	CHL61537M	CHL	Igor		01/05/2025	6 mo	– alive –	♂
✓	CHL61784M	CHL	Jacques		08/09/2025	2 mo	– alive –	♂
✓	CHL61787F	CHL	Ségolène		08/09/2025	2 mo	– alive –	♀
✓	CHL61788F	CHL	Elisabeth		08/09/2025	2 mo	– alive –	♀
✓	CHL61786F	CHL	Marine		08/09/2025	2 mo	– alive –	♀
✓	CHL61785F	CHL	Arlette		08/09/2025	2 mo	– alive –	♀
✓	CHL61783M	CHL	Jean-Marie		08/09/2025	2 mo	– alive –	♂
✗	CHL61012F	CHL	Amy	Amy	18/01/2025	9 mo	– alive –	♀
✓	CHL61535F	CHL	Louise		01/05/2025	6 mo	– alive –	♀
✓	CHL61539F	CHL	Ashley		01/05/2025	6 mo	– alive –	♀