DEL – D’ Ombre et de Lumière 

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Statistics

Breeding statistics

Breeding activity period	2016–2024 (8 years, 1 month)

Declared litters	47 litters, 523 pups
⨽ internal (born in the rattery)	⨽ 35 litters, 379 pups
⨽ external (other contributed litters)	⨽ 12 litters, 144 pups

All rat records	522 rats
⨽ females	⨽ 273 females (52.3 %)
⨽ males	⨽ 249 males (47.7 %)

Litter statistics

Average mother age	232 days (7.6 months)
Average father age	511 days (16.8 months)
Average litter size	11.1 pups per litter
Average sex ratio	0.912 (about 11 females for 10 males)

Lifespan statistics

Bred rats recorded as deceased	286 rats (75.7 % of recorded bred rats)
⨽ declared with known date	⨽ 279 rats (97.6 %)
⨽ presumed dead	⨽ 7 rats (2.4 %)

Average lifespan of bred rats	22.1 months (♀: 24 months – ♂: 20 months)
⨽ infant mortality excluded	⨽ 24.4 months (♀: 26.3 months – ♂: 22.3 months)
⨽ accidents excluded	⨽ 25.4 months (♀: 27.3 months – ♂: 23.2 months)

Oldest bred rat	DEL-MOL Seren (deceased at 4 years, 19 days)

Death causes statistics

Primary death causes by decreasing frequency

23.3 %	Respiratory
19.35 %	Other
9.68 %	Infant mortality (up to 6 week old)
9.32 %	Unknown cause
8.6 %	Old age, natural death (from 24 month old minimum)
7.17 %	Accidents, traumas, poisonings
6.45 %	Neurological (brain, spinal cords, nerves)
4.3 %	Digestive
3.58 %	Cardiovascular
3.23 %	Reproductive system
3.23 %	Eye, ear, mouth, face
1.08 %	Urinary system (kidney, bladder)
0.72 %	Skin

Secondary death causes by decreasing frequency

14.7 %	Undetermined tumor (affected organ unknown)
10.39 %	Bronchitis, pneumonia
9.32 %	Undetermined cause (known date)
8.6 %	*Respiratory
8.6 %	*Old age, natural death (from 24 month old minimum)
5.02 %	*Infant mortality (up to 6 week old)
4.66 %	Stillborn
3.23 %	Lung tumor
3.23 %	*Neurological (brain, spinal cords, nerves)
2.51 %	Domestic accident (crush, door...)
2.51 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
2.51 %	*Other
1.79 %	Heart failure, valvular disease
1.79 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
1.79 %	Pituitary tumor
1.79 %	Digestive tumor (stomach, liver, pancreas, intestines...)
1.43 %	Other heart or vascular problem
1.43 %	Mammary tumor
1.43 %	Zymbal gland tumor
1.08 %	Undetermined infection or abscess
0.72 %	Uterine tumor
0.72 %	Stroke
0.72 %	Epilepsy
0.72 %	Complications of gestation or parturition
0.72 %	Intestinal obstruction (excluding megacolon)
0.72 %	Other digestive trouble
0.72 %	Facial tumor (excluding Zymbal tumor)
0.72 %	Tooth abscess
0.72 %	Other respiratory trouble
0.36 %	Liver failure
0.36 %	Digestive hemorrhage
0.36 %	Euthanasia without medical cause
0.36 %	Bladder tumor
0.36 %	Subcutaneous abscess
0.36 %	Sepsis
0.36 %	Other reproductive system disorder
0.36 %	Kidney tumor
0.36 %	Skin tumor, skin cancer
0.36 %	Hereditary megacolon
0.36 %	Pulmonary edema
0.36 %	Heart attack, infarct, pulmonary embolism
0.36 %	Generalized cancer, leukemia, lymphoma
0.36 %	Food poisoning
0.36 %	Renal failure
0.36 %	*Eye, ear, mouth, face

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	29/12/2024	MIL-DEL Shadout Mapes	NAM-CPK Spirit	10
✓	19/12/2024	MIL-DEL Irulan Corrino	OPR Vlad	11
✓	05/12/2024	EPR Brocéliande	DEL Ramollo	12
✓	19/11/2024	DEL Pamela Rose	HDL-FAE Shadow Moon	16
✓	08/09/2024	OPR Mélitée du Mélampyre	DEL Othello	8
✓	25/06/2024	DEL The Secret of MIMH	MIL Alcatraz	12
✓	06/06/2024	NAM-CPK Kala	DNA-ARK Western Ramen	8
✓	26/05/2024	EPR Brocéliande	NAM Ghost in the Rain	11
✓	31/03/2024	HDL Mumière	DEL-LVM Vélociraptor	17
✓	31/10/2023	DEL Tsireya	CRV XBox	14

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	DEL61347F	DEL-RMJ	Orage	Kelly	29/12/2024	6 mo	– alive –	♀
✓	DEL61289F	DEL	Brume	Dawn	19/12/2024	6 mo	– alive –	♀
✓	DEL57953M	DEL	Bishop †		27/02/2023	28 mo	Undetermined cause	♂
✓	DEL61332F	DEL	Nash †	Shoola	05/12/2024	6 mo	Other heart or vascular problem	♀
✓	DEL59461F	DEL	Nyota	Thorn	31/10/2023	20 mo	– alive –	♀
✓	DEL59462F	DEL	Sterna	Aunt Shrew	31/10/2023	20 mo	– alive –	♀
✓	DEL61333F	DEL	Diadem	Isha	05/12/2024	7 mo	– alive –	♀
✓	DEL58381M	DEL	Fileki †	Aonung	30/04/2023	24 mo	Bronchitis, pneumonia	♂
✓	DEL58080M	DEL	Enguerrand le Balafré †	Light Fantastic	04/03/2023	26 mo	Undetermined cause	♂
✓	DEL57954M	DEL	Godefroy de Montmirail †	Nostromo	27/02/2023	26 mo	Undetermined cause	♂