CHC – Champ de Coquelicots 

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Statistics

Breeding statistics

Breeding activity period	2021–2025 (4 years, 3 months)

Declared litters	5 litters, 67 pups
⨽ internal (born in the rattery)	⨽ 5 litters, 67 pups
⨽ external (other contributed litters)	⨽ 0 litter, no pup

All rat records	82 rats
⨽ females	⨽ 44 females (53.7 %)
⨽ males	⨽ 38 males (46.3 %)

Litter statistics

Average mother age	221 days (7.2 months)
Average father age	499 days (16.4 months)
Average litter size	13.4 pups per litter
Average sex ratio	0.864 (about 7 females for 6 males)

Lifespan statistics

Bred rats recorded as deceased	29 rats (35.4 % of recorded bred rats)
⨽ declared with known date	⨽ 25 rats (86.2 %)
⨽ presumed dead	⨽ 4 rats (13.8 %)

Average lifespan of bred rats	24.4 months (♀: 25 months – ♂: 23.7 months)
⨽ infant mortality excluded	⨽ 24.4 months (♀: 25 months – ♂: 23.7 months)
⨽ accidents excluded	⨽ 25.2 months (♀: 25 months – ♂: 25.4 months)

Oldest bred rat	CHC Kenaï (deceased at 3 years, 4 months, 10 days)

Death causes statistics

Primary death causes by decreasing frequency

32 %	Unknown cause
28 %	Neurological (brain, spinal cords, nerves)
24 %	Old age, natural death (from 24 month old minimum)
12 %	Eye, ear, mouth, face
8 %	Respiratory
4 %	Cardiovascular
4 %	Accidents, traumas, poisonings
4 %	Other

Secondary death causes by decreasing frequency

28 %	Pituitary tumor
24 %	*Old age, natural death (from 24 month old minimum)
16 %	Undetermined cause (known date)
16 %	*Unknown cause
8 %	Zymbal gland tumor
4 %	Heart attack, infarct, pulmonary embolism
4 %	Bronchitis, pneumonia
4 %	Domestic accident (crush, door...)
4 %	Other known cause fitting no other category
4 %	Otitis, ear abscess
4 %	*Respiratory

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✗	05/08/2025	HPM Poppy	CHC-TDC Hayate	16
✓	04/04/2024	CHC Kassey	PDI-TDC Black Treasure	15
✓	11/08/2023	CHC-DNR Fluffy Moon	OPR Severus	15
✓	09/02/2023	CHC Fragaria Vesca	DNR Ekko	11
✓	09/06/2022	CDC-DNA Charlie	DNR Bigorneau	13
✓	25/04/2021	DNR Ipomea Violacea	OPR-DOU Lilas	13

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	CHC61772F	CHC	Rose	Meve	05/08/2025	2 mo	– alive –	♀
✓	CHC61771F	CHC	Cerise	Shani	05/08/2025	2 mo	– alive –	♀
✓	CHC61770F	CHC	Tilia	Tissaia	05/08/2025	2 mo	– alive –	♀
✓	CHC61769M	CHC	Zoltan		05/08/2025	2 mo	– alive –	♂
✓	CHC59932M	CHC-TDC	Loki †	Tawtutek	04/04/2024	12 mo	Other known cause fitting no other category	♂
✓	CHC61758F	CHC	Nimue		05/08/2025	2 mo	– alive –	♀
✓	CHC61759F	CHC	Tia	Corail	05/08/2025	2 mo	– alive –	♀
✓	CHC61760F	CHC	Nala	Triss	05/08/2025	2 mo	– alive –	♀
✓	CHC61761F	CHC	Eithné aux poils argentés		05/08/2025	2 mo	– alive –	♀
✓	CHC61762F	CHC	Ciri		05/08/2025	2 mo	– alive –	♀