DNR – Donjon et Ratons 

Statistics

Breeding statistics

Breeding activity period	2018–2024 (6 years, 1 month)

Declared litters	25 litters, 252 pups
⨽ internal (born in the rattery)	⨽ 18 litters, 172 pups
⨽ external (other contributed litters)	⨽ 7 litters, 80 pups

All rat records	252 rats
⨽ females	⨽ 118 females (46.8 %)
⨽ males	⨽ 134 males (53.2 %)

Litter statistics

Average mother age	244 days (8 months)
Average father age	581 days (19.1 months)
Average litter size	10.1 pups per litter
Average sex ratio	1.136 (about 8 males for 7 females)

Lifespan statistics

Bred rats recorded as deceased	98 rats (57 % of recorded bred rats)
⨽ declared with known date	⨽ 94 rats (95.9 %)
⨽ presumed dead	⨽ 4 rats (4.1 %)

Average lifespan of bred rats	24.9 months (♀: 26 months – ♂: 23.6 months)
⨽ infant mortality excluded	⨽ 25.4 months (♀: 26.5 months – ♂: 24.2 months)
⨽ accidents excluded	⨽ 25.4 months (♀: 26.5 months – ♂: 24.3 months)

Oldest bred rat	DNR-RCD Yséra (deceased at 3 years, 1 month, 12 days)

Death causes statistics

Primary death causes by decreasing frequency

29.79 %	Other
21.28 %	Respiratory
14.89 %	Neurological (brain, spinal cords, nerves)
13.83 %	Old age, natural death (from 24 month old minimum)
8.51 %	Unknown cause
3.19 %	Reproductive system
2.13 %	Accidents, traumas, poisonings
2.13 %	Urinary system (kidney, bladder)
2.13 %	Infant mortality (up to 6 week old)
1.06 %	Cardiovascular
1.06 %	Digestive

Secondary death causes by decreasing frequency

23.4 %	Undetermined tumor (affected organ unknown)
13.83 %	*Old age, natural death (from 24 month old minimum)
10.64 %	*Neurological (brain, spinal cords, nerves)
9.57 %	Bronchitis, pneumonia
8.51 %	Undetermined cause (known date)
6.38 %	*Respiratory
4.26 %	*Other
3.19 %	Mammary tumor
3.19 %	Pulmonary edema
3.19 %	Pituitary tumor
2.13 %	Kidney tumor
2.13 %	Other tumor (salivary, spleen, adrenal, thyroid...)
2.13 %	Lung tumor
2.13 %	Stillborn
1.06 %	Domestic accident (crush, door...)
1.06 %	Progressive spinal cord damage, degenerative paralysis
1.06 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.06 %	Heart failure, valvular disease
1.06 %	Other digestive trouble

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	24/07/2024	HDL-TDC Síla	DEL-LVM Tortuga	12
✓	13/06/2024	DNR Nightsong	CHL Boaz	8
✓	28/09/2023	DNR Aela	DEL-DNR Mondo Zax	10
✓	09/02/2023	CHC Fragaria Vesca	DNR Ekko	11
✓	30/01/2023	DNR Sul Sul	IND-DNR Dr Feelgood	9
✓	03/09/2022	DNR Vi	DTC Bolognaise	13
✓	17/06/2022	DNR Yevra	DNR Emile	14
✓	19/01/2022	DNA-DNR L'Écume des Jours	OKA-DNR Altaïr	15
✓	19/12/2021	DEL Tamatoa	DNR Kalegos	14
✓	09/12/2021	DNR Chromie	DNR Shub-Niggurath	10

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	DNR57684M	DNR	JinSoo †	Derkeethus	30/01/2023	29 mo	Other tumor	♂
✓	DNR59939M	DNR-CHL	Hara-kiri †		13/06/2024	1 mo	Other digestive trouble	♂
✓	DNR56619M	DNR	Tim †	Arthas	09/12/2021	26 mo	Bronchitis, pneumonia	♂
✓	DNR57687M	DNR	Jyrik †		30/01/2023	25 mo	Neurological	♂
✓	DNR57454F	DNR-DTC	Ehlonna †		03/09/2022	31 mo	Old age, natural death	♀
✓	DNR59934F	DNR-CHL	Rylai		13/06/2024	16 mo	– alive –	♀
✓	DNR57686M	DNR	Nékir †		30/01/2023	25 mo	Bronchitis, pneumonia	♂
✓	DNR56661F	DNR	Yevra †		03/12/2021	37 mo	Old age, natural death	♀
✓	DNR56670M	DNR	Matt †	Shenayag	03/12/2021	32 mo	Undetermined cause	♂
✓	DNR57455M	DNR-DTC	Léonardo †	Kiarransalee	03/09/2022	27 mo	Undetermined cause	♂