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	251 rats
⨽ females	⨽ 117 females (46.6 %)
⨽ males	⨽ 134 males (53.4 %)

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	1.145 (about 8 males for 7 females)

Lifespan statistics

Bred rats recorded as deceased	86 rats (50 % of recorded bred rats)
⨽ declared with known date	⨽ 86 rats (100 %)
⨽ presumed dead	⨽ No rat (0 %)

Average lifespan of bred rats	24.6 months (♀: 25.6 months – ♂: 23.4 months)
⨽ infant mortality excluded	⨽ 25.2 months (♀: 26.2 months – ♂: 24 months)
⨽ accidents excluded	⨽ 25.3 months (♀: 26.2 months – ♂: 24.2 months)

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

Death causes statistics

Primary death causes by decreasing frequency

32.56 %	Other
20.93 %	Respiratory
15.12 %	Neurological (brain, spinal cords, nerves)
12.79 %	Old age, natural death (from 24 month old minimum)
6.98 %	Unknown cause
3.49 %	Reproductive system
2.33 %	Accidents, traumas, poisonings
2.33 %	Urinary system (kidney, bladder)
2.33 %	Infant mortality (up to 6 week old)
1.16 %	Cardiovascular

Secondary death causes by decreasing frequency

25.58 %	Undetermined tumor (affected organ unknown)
12.79 %	*Old age, natural death (from 24 month old minimum)
10.47 %	*Neurological (brain, spinal cords, nerves)
8.14 %	Bronchitis, pneumonia
6.98 %	Undetermined cause (known date)
6.98 %	*Respiratory
4.65 %	*Other
3.49 %	Mammary tumor
3.49 %	Pulmonary edema
3.49 %	Pituitary tumor
2.33 %	Kidney tumor
2.33 %	Lung tumor
2.33 %	Stillborn
1.16 %	Domestic accident (crush, door...)
1.16 %	Progressive spinal cord damage, degenerative paralysis
1.16 %	Other tumor (salivary, spleen, adrenal, thyroid...)
1.16 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.16 %	Heart failure, valvular disease
1.16 %	Undetermined infection or abscess

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
✓	DNR60413M	DNR	Kanki	Oxylus	24/07/2024	4 mo	– alive –	♂
✓	DNR60416M	DNR	Duke Hyou	Liono	24/07/2024	4 mo	– alive –	♂
✓	DNR60414M	DNR	Ouki	Zuonnotar	24/07/2024	4 mo	– alive –	♂
✓	DNR59935F	DNR-CHL	Zhonya		13/06/2024	5 mo	– alive –	♀
✓	DNR59937M	DNR-CHL	Youmuu		13/06/2024	5 mo	– alive –	♂
✓	DNR60405F	DNR	Arduinna		24/07/2024	4 mo	– alive –	♀
✓	DNR60406F	DNR	Devanna		24/07/2024	4 mo	– alive –	♀
✓	DNR60407F	DNR	Mielikki		24/07/2024	4 mo	– alive –	♀
✓	DNR60408F	DNR	Ananyani		24/07/2024	4 mo	– alive –	♀
✓	DNR60409M	DNR	Vividios		24/07/2024	4 mo	– alive –	♂