CHC – Champ de Coquelicots 

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Statistics

Breeding statistics

Breeding activity period	2021–2026 (4 years, 9 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	83 rats
⨽ females	⨽ 45 females (54.2 %)
⨽ males	⨽ 38 males (45.8 %)

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	0.844 (about 13 females for 11 males)

Lifespan statistics

Bred rats recorded as deceased	47 rats (56.6 % of recorded bred rats)
⨽ declared with known date	⨽ 40 rats (85.1 %)
⨽ presumed dead	⨽ 7 rats (14.9 %)

Average lifespan of bred rats	24 months (♀: 25 months – ♂: 23.1 months)
⨽ infant mortality excluded	⨽ 24 months (♀: 25 months – ♂: 23.1 months)
⨽ accidents excluded	⨽ 24.5 months (♀: 25 months – ♂: 24.1 months)

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

Death causes statistics

Primary death causes by decreasing frequency

27.5 %	Old age, natural death (from 24 month old minimum)
25 %	Unknown cause
25 %	Neurological (brain, spinal cords, nerves)
15 %	Respiratory
7.5 %	Eye, ear, mouth, face
2.5 %	Cardiovascular
2.5 %	Accidents, traumas, poisonings
2.5 %	Other
2.5 %	Urinary system (kidney, bladder)

Secondary death causes by decreasing frequency

27.5 %	*Old age, natural death (from 24 month old minimum)
22.5 %	Pituitary tumor
15 %	Undetermined cause (known date)
10 %	*Unknown cause
7.5 %	Bronchitis, pneumonia
7.5 %	*Respiratory
5 %	Zymbal gland tumor
2.5 %	Heart attack, infarct, pulmonary embolism
2.5 %	Epilepsy
2.5 %	Domestic accident (crush, door...)
2.5 %	Other known cause fitting no other category
2.5 %	Other urinary disorder
2.5 %	Otitis, ear abscess

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✗	18/02/2026	CHC Syanna	HPM-DEL Jivara	13
✓	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

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State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	CHC58461F	CHC	Daisy	Tillie	11/08/2023	31 mo	– alive –	♀
✓	CHC58460F	CHC	Peach †	Lilith	11/08/2023	22 mo	Bronchitis, pneumonia	♀
✓	CHC62152F	CHC-HPM	Nymphaea		18/02/2026	1 mo	– alive –	♀
✓	CHC57295F	CHC	Sissi †	Cydonia	09/06/2022	28 mo	Old age, natural death	♀
✓	CHC57299M	CHC	Maynard †	Myosoton Aquaticum	09/06/2022	28 mo	Old age, natural death	♂
✓	CHC58464M	CHC	Vamp †	Hobbes	11/08/2023	29 mo	Old age, natural death	♂
✓	CHC58459F	CHC	Harmonie †	Bloody Mary	11/08/2023	22 mo	Respiratory	♀
✓	CHC58470M	CHC	Wolf †	Wolfe	11/08/2023	24 mo	Pituitary tumor	♂
✓	CHC58466M	CHC	Erwin †	Earl	11/08/2023	28 mo	Respiratory	♂
✓	CHC59928M	CHC-TDC	Ivar †	Tawkani	04/04/2024	21 mo	Pituitary tumor	♂