CHC – Champ de Coquelicots 

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Statistics

Breeding statistics

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

Declared litters	6 litters, 83 pups
⨽ internal (born in the rattery)	⨽ 6 litters, 83 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	217 days (7.1 months)
Average father age	497 days (16.3 months)
Average litter size	13.8 pups per litter
Average sex ratio	0.864 (about 7 females for 6 males)

Lifespan statistics

Bred rats recorded as deceased	37 rats (45.1 % of recorded bred rats)
⨽ declared with known date	⨽ 30 rats (81.1 %)
⨽ presumed dead	⨽ 7 rats (18.9 %)

Average lifespan of bred rats	24.5 months (♀: 25.5 months – ♂: 23.4 months)
⨽ infant mortality excluded	⨽ 24.5 months (♀: 25.5 months – ♂: 23.4 months)
⨽ accidents excluded	⨽ 25.2 months (♀: 25.5 months – ♂: 24.8 months)

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

Death causes statistics

Primary death causes by decreasing frequency

33.33 %	Unknown cause
26.67 %	Neurological (brain, spinal cords, nerves)
26.67 %	Old age, natural death (from 24 month old minimum)
10 %	Eye, ear, mouth, face
6.67 %	Respiratory
3.33 %	Cardiovascular
3.33 %	Accidents, traumas, poisonings
3.33 %	Other

Secondary death causes by decreasing frequency

26.67 %	*Old age, natural death (from 24 month old minimum)
23.33 %	Pituitary tumor
20 %	Undetermined cause (known date)
13.33 %	*Unknown cause
6.67 %	Zymbal gland tumor
3.33 %	Otitis, ear abscess
3.33 %	Heart attack, infarct, pulmonary embolism
3.33 %	Bronchitis, pneumonia
3.33 %	Epilepsy
3.33 %	Domestic accident (crush, door...)
3.33 %	Other known cause fitting no other category
3.33 %	*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
✓	CHC58468M	CHC	Hypérion †	Charles	11/08/2023	29 mo	Old age, natural death	♂
✓	CHC58471M	CHC	Umbriel †	Lucan	11/08/2023	19 mo	Undetermined cause	♂
✓	CHC58473M	CHC	Déimos †	Grayson	11/08/2023	19 mo	Undetermined cause	♂
✓	CHC58462F	CHC	Molly †		11/08/2023	25 mo	Epilepsy	♀
✓	CHC57812F	CHC-DNR	Lucky Lilly †		09/02/2023	33 mo	Old age, natural death	♀
✓	CHC61763F	CHC	Mithril	Keira	05/08/2025	6 mo	– alive –	♀
✓	CHC61772F	CHC	Rose	Meve	05/08/2025	6 mo	– alive –	♀
✓	CHC61771F	CHC	Cerise	Shani	05/08/2025	6 mo	– alive –	♀
✓	CHC61770F	CHC	Tilia	Tissaia	05/08/2025	6 mo	– alive –	♀
✓	CHC61769M	CHC	Zoltan		05/08/2025	6 mo	– alive –	♂