CDC – Les Couillus De Chnou  ☾

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Statistics

Breeding statistics

Breeding activity period	2011–2021 (9 years, 10 months)

Declared litters	5 litters, 61 pups
⨽ internal (born in the rattery)	⨽ 3 litters, 39 pups
⨽ external (other contributed litters)	⨽ 2 litters, 22 pups

All rat records	61 rats
⨽ females	⨽ 33 females (54.1 %)
⨽ males	⨽ 28 males (45.9 %)

Litter statistics

Average mother age	202 days (6.6 months)
Average father age	514 days (16.8 months)
Average litter size	12.2 pups per litter
Average sex ratio	0.848 (about 13 females for 11 males)

Lifespan statistics

Bred rats recorded as deceased	39 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 38 rats (97.4 %)
⨽ presumed dead	⨽ 1 rat (2.6 %)

Average lifespan of bred rats	27.2 months (♀: 26.8 months – ♂: 27.7 months)
⨽ infant mortality excluded	⨽ 27.2 months (♀: 26.8 months – ♂: 27.7 months)
⨽ accidents excluded	⨽ 28 months (♀: 28 months – ♂: 28.2 months)

Oldest bred rat	CDC-DNA Raphaëlle (deceased at 3 years, 6 months, 7 days)

Death causes statistics

Primary death causes by decreasing frequency

31.58 %	Respiratory
26.32 %	Old age, natural death (from 24 month old minimum)
15.79 %	Unknown cause
13.16 %	Other
7.89 %	Accidents, traumas, poisonings
5.26 %	Reproductive system

Secondary death causes by decreasing frequency

26.32 %	*Old age, natural death (from 24 month old minimum)
15.79 %	Undetermined cause (known date)
13.16 %	Bronchitis, pneumonia
10.53 %	*Respiratory
7.89 %	Undetermined tumor (affected organ unknown)
7.89 %	Lung tumor
5.26 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
2.63 %	Mammary tumor
2.63 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
2.63 %	Generalized cancer, leukemia, lymphoma
2.63 %	Undetermined infection or abscess
2.63 %	Vaginal tumor

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	22/10/2021	DNA Amanita Peruanita	HKM-NAM Gremlins Rah'tral	16
✓	05/06/2019	NAM Furvent	PLS Kamtschatkana	10
✓	29/09/2018	DEL-MOL Pacific Rim	ARP-DEL Ponyo	13
✓	17/01/2015	PRH-RMM Picpus	WEE-PAZ Manannan Mac Jean-Rat	17
✓	06/12/2011	KTY-TPX Black Betty	DMR Banksy	5

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	CDC56284F	CDC-DNA	Raphaëlle †	Yasmine aux mains d’argent	22/10/2021	42 mo	Old age, natural death	♀
✓	CDC56271M	CDC-DNA	Baltique Eyes †		22/10/2021	35 mo	Old age, natural death	♂
✓	CDC56272M	CDC-DNA	Gerard Lambert Returns †		22/10/2021	24 mo	Undetermined cause	♂
✓	CDC56273M	CDC-DNA	Pierro †		22/10/2021	37 mo	Old age, natural death	♂
✓	CDC56274M	CDC-DNA	Ali et la chocolaterie †		22/10/2021	23 mo	Undetermined cause	♂
✓	CDC56276M	CDC-DNA	Jonathan Wood †		22/10/2021	28 mo	Undetermined cause	♂
✓	CDC56278F	CDC-DNA	Big Pepette †		22/10/2021	21 mo	Bronchitis, pneumonia	♀
✓	CDC56280F	CDC-DNA	Meï †	Batminette	22/10/2021	25 mo	Lung tumor	♀
✓	CDC56281F	CDC-DNA	Dark Gonzesse †		22/10/2021	26 mo	Mammary tumor	♀
✓	CDC56283F	CDC-DNA	Ninon Skellington †		22/10/2021	25 mo	Lung tumor	♀