CHL – Les Candy Ratons 

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Statistics

Breeding statistics

Breeding activity period	2014–2025 (10 years, 7 months)

Declared litters	17 litters, 129 pups
⨽ internal (born in the rattery)	⨽ 16 litters, 121 pups
⨽ external (other contributed litters)	⨽ 1 litter, 8 pups

All rat records	125 rats
⨽ females	⨽ 56 females (44.8 %)
⨽ males	⨽ 69 males (55.2 %)

Litter statistics

Average mother age	258 days (8.4 months)
Average father age	546 days (17.9 months)
Average litter size	7.6 pups per litter
Average sex ratio	1.232 (about 5 males for 4 females)

Lifespan statistics

Bred rats recorded as deceased	77 rats (65.3 % of recorded bred rats)
⨽ declared with known date	⨽ 56 rats (72.7 %)
⨽ presumed dead	⨽ 21 rats (27.3 %)

Average lifespan of bred rats	23.7 months (♀: 20.5 months – ♂: 26.7 months)
⨽ infant mortality excluded	⨽ 23.7 months (♀: 20.5 months – ♂: 26.7 months)
⨽ accidents excluded	⨽ 24.3 months (♀: 21.3 months – ♂: 26.7 months)

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

Death causes statistics

Primary death causes by decreasing frequency

32.14 %	Other
21.43 %	Unknown cause
12.5 %	Respiratory
12.5 %	Old age, natural death (from 24 month old minimum)
7.14 %	Neurological (brain, spinal cords, nerves)
7.14 %	Accidents, traumas, poisonings
3.57 %	Reproductive system
1.79 %	Muscles and skeleton
1.79 %	Cardiovascular

Secondary death causes by decreasing frequency

21.43 %	Undetermined cause (known date)
17.86 %	Undetermined tumor (affected organ unknown)
12.5 %	*Old age, natural death (from 24 month old minimum)
8.93 %	Undetermined infection or abscess
8.93 %	*Respiratory
7.14 %	Domestic accident (crush, door...)
5.36 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
5.36 %	*Neurological (brain, spinal cords, nerves)
3.57 %	Complications of gestation or parturition
3.57 %	Bronchitis, pneumonia
1.79 %	Hemorrhage (exaggerated relative to the context, coagulation disorder, hemophilia)
1.79 %	Stroke
1.79 %	Bone tumor

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	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
✓	21/11/2020	IND Tokyo	CHL Yuzu	4

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✗	CHL61013M	CHL	Georges †	Georges	18/01/2025	2 mo	Undetermined infection or abscess	♂
✓	CHL61537M	CHL	Igor		01/05/2025	2 mo	– alive –	♂
✗	CHL61535F	CHL	Louise		01/05/2025	2 mo	– alive –	♀
✓	CHL61536M	CHL	Etienne		01/05/2025	2 mo	– alive –	♂
✓	CHL61538F	CHL	Patacrepe	Marie Kate	01/05/2025	2 mo	– alive –	♀
✓	CHL61539F	CHL	Ashley		01/05/2025	2 mo	– alive –	♀
✓	CHL61007F	CHL	Tatiana	Tatiana	18/01/2025	5 mo	– alive –	♀
✓	CHL61012F	CHL	Amy	Amy	18/01/2025	5 mo	– alive –	♀
✓	CHL61006M	CHL	Craig	Craig	18/01/2025	5 mo	– alive –	♂
✓	CHL61003M	CHL	Will	Will	18/01/2025	5 mo	– alive –	♂