DNR – Donjon et Ratons 

Statistics

Breeding statistics

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

Declared litters	25 litters, 251 pups
⨽ internal (born in the rattery)	⨽ 18 litters, 172 pups
⨽ external (other contributed litters)	⨽ 7 litters, 79 pups

All rat records	246 rats
⨽ females	⨽ 117 females (47.6 %)
⨽ males	⨽ 129 males (52.4 %)

Litter statistics

Average mother age	244 days (8 months)
Average father age	581 days (19.1 months)
Average litter size	10 pups per litter
Average sex ratio	1.103 (about 11 males for 10 females)

Lifespan statistics

Bred rats recorded as deceased	88 rats (52.4 % of recorded bred rats)
⨽ declared with known date	⨽ 88 rats (100 %)
⨽ presumed dead	⨽ No rat (0 %)

Average lifespan of bred rats	25 months (♀: 25.9 months – ♂: 24 months)
⨽ infant mortality excluded	⨽ 25.6 months (♀: 26.4 months – ♂: 24.6 months)
⨽ accidents excluded	⨽ 25.6 months (♀: 26.4 months – ♂: 24.7 months)

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

Death causes statistics

Primary death causes by decreasing frequency

30.68 %	Other
20.45 %	Respiratory
14.77 %	Neurological (brain, spinal cords, nerves)
13.64 %	Old age, natural death (from 24 month old minimum)
9.09 %	Unknown cause
3.41 %	Reproductive system
2.27 %	Accidents, traumas, poisonings
2.27 %	Urinary system (kidney, bladder)
2.27 %	Infant mortality (up to 6 week old)
1.14 %	Cardiovascular

Secondary death causes by decreasing frequency

25 %	Undetermined tumor (affected organ unknown)
13.64 %	*Old age, natural death (from 24 month old minimum)
10.23 %	*Neurological (brain, spinal cords, nerves)
9.09 %	Undetermined cause (known date)
7.95 %	Bronchitis, pneumonia
6.82 %	*Respiratory
4.55 %	*Other
3.41 %	Mammary tumor
3.41 %	Pulmonary edema
3.41 %	Pituitary tumor
2.27 %	Kidney tumor
2.27 %	Lung tumor
2.27 %	Stillborn
1.14 %	Domestic accident (crush, door...)
1.14 %	Progressive spinal cord damage, degenerative paralysis
1.14 %	Other tumor (salivary, spleen, adrenal, thyroid...)
1.14 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.14 %	Heart failure, valvular disease

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	14
✓	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
✗	DNR57686M	DNR	Nékir †		30/01/2023	25 mo	Respiratory	♂
✗	DNR59939M	DNR-CHL	Hara-kiri †		13/06/2024	1 mo	Other digestive trouble	♂
✓	DNR56661F	DNR	Yevra †		03/12/2021	37 mo	Old age, natural death	♀
✗	DNR57687M	DNR	Jyrik †		30/01/2023	25 mo	Neurological	♂
✗	DNR56619M	DNR	Tim †	Arthas	09/12/2021	26 mo	Undetermined infection or abscess	♂
✓	DNR56670M	DNR	Matt †	Shenayag	03/12/2021	32 mo	Undetermined cause	♂
✓	DNR57455M	DNR-DTC	Léonardo †	Kiarransalee	03/09/2022	27 mo	Undetermined cause	♂
✓	DNR60413M	DNR	Kanki	Oxylus	24/07/2024	8 mo	– alive –	♂
✓	DNR60416M	DNR	Duke Hyou	Liono	24/07/2024	8 mo	– alive –	♂
✓	DNR60414M	DNR	Ouki	Zuonnotar	24/07/2024	8 mo	– alive –	♂