VIC – Les Rastars 

Statistics

Breeding statistics

Breeding activity period	2016–2026 (9 years, 8 months)

Declared litters	46 litters, 423 pups
⨽ internal (born in the rattery)	⨽ 34 litters, 295 pups
⨽ external (other contributed litters)	⨽ 12 litters, 128 pups

All rat records	414 rats
⨽ females	⨽ 212 females (51.2 %)
⨽ males	⨽ 202 males (48.8 %)

Litter statistics

Average mother age	210 days (6.9 months)
Average father age	449 days (14.7 months)
Average litter size	9.2 pups per litter
Average sex ratio	0.953 (about 1 female for 1 male)

Lifespan statistics

Bred rats recorded as deceased	200 rats (69.4 % of recorded bred rats)
⨽ declared with known date	⨽ 174 rats (87 %)
⨽ presumed dead	⨽ 26 rats (13 %)

Average lifespan of bred rats	20.5 months (♀: 21.8 months – ♂: 19 months)
⨽ infant mortality excluded	⨽ 20.5 months (♀: 21.8 months – ♂: 19 months)
⨽ accidents excluded	⨽ 21.3 months (♀: 22.7 months – ♂: 19.9 months)

Oldest bred rat	VIC Boo (deceased at 3 years, 4 days)

Death causes statistics

Primary death causes by decreasing frequency

32.18 %	Respiratory
16.67 %	Old age, natural death (from 24 month old minimum)
12.64 %	Unknown cause
12.07 %	Accidents, traumas, poisonings
9.77 %	Neurological (brain, spinal cords, nerves)
5.75 %	Other
5.17 %	Eye, ear, mouth, face
4.02 %	Reproductive system
1.15 %	Digestive
1.15 %	Urinary system (kidney, bladder)

Secondary death causes by decreasing frequency

22.41 %	Bronchitis, pneumonia
16.67 %	*Old age, natural death (from 24 month old minimum)
12.07 %	Undetermined cause (known date)
8.05 %	*Respiratory
4.02 %	Pituitary tumor
2.87 %	Zymbal gland tumor
2.87 %	*Neurological (brain, spinal cords, nerves)
2.3 %	Mammary tumor
2.3 %	Domestic accident (crush, door...)
2.3 %	Suffocation, choking
2.3 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
2.3 %	Heatstroke
2.3 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.72 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
1.72 %	Undetermined tumor (affected organ unknown)
1.72 %	Facial abscess (excluding teeth and Zymbal gland)
1.15 %	Brain tumor
1.15 %	Falls, fractures, head or spinal cord trauma (excluding fights)
1.15 %	Other respiratory trouble
1.15 %	Undetermined infection or abscess
0.57 %	Uterine tumor
0.57 %	Epilepsy
0.57 %	Gastroenteritis, diarrhea
0.57 %	Stroke
0.57 %	Digestive tumor (stomach, liver, pancreas, intestines...)
0.57 %	Other tumor (salivary, spleen, adrenal, thyroid...)
0.57 %	Other reproductive system disorder
0.57 %	Lung tumor
0.57 %	Urinary or kidney infection
0.57 %	Other urinary disorder
0.57 %	Brain infection, encephalitis, meningitis
0.57 %	Otitis, ear abscess
0.57 %	*Unknown cause
0.57 %	*Reproductive system

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	12/06/2026	VIC Namaah	VIC Spoty	8
✓	19/04/2026	MIL-VIC Obalie	VIC-ANG Taka	10
✓	26/11/2025	MIL Eshe	RB. Kipu	8
✓	23/11/2025	MGR Zelya	RB. Kipu	8
✓	20/11/2025	VIC Lutti	Unknown	4
✓	23/10/2025	MIL-VIC Obalie	VIC Spoty	11
✓	11/08/2025	RB. Kiwi	ANG-VIC Pomme Dappy	8
✓	18/06/2025	VIC Bourrelet	RB. Patronus	9
✓	16/06/2025	INC Bonnie	ANG-VIC Pomme Dappy	3
✓	26/03/2025	RB. Imara	MIL Tiplouf	7

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✗	VIC61605M	VIC	Sileas †	Skittles	18/06/2025	14 mo	Fights, injuries, etc.	♂
✓	VIC60819M	VIC-ANG	Blini  †		06/11/2024	22 mo	Facial abscess	♂
✓	VIC61033F	VIC	Cacahuète †		07/01/2025	19 mo	Pituitary tumor	♀
✓	VIC60871F	VIC	Bourrelet		29/11/2024	21 mo	– alive –	♀
✓	VIC60607F	VIC	Suki †		20/08/2023	36 mo	Old age, natural death	♀
✓	VIC60675F	VIC	Tiamat †		20/08/2023	35 mo	Old age, natural death	♀
✓	VIC61031F	VIC	Alice †		07/01/2025	19 mo	Undetermined cause	♀
✓	VIC61917F	VIC-ANG	Mona	Amonita	23/10/2025	10 mo	– alive –	♀
✓	VIC62543F	VIC-ANG	Brume	Brume	12/06/2026	3 mo	– alive –	♀
✓	VIC62544F	VIC-ANG	Guimauve	Guimauve	12/06/2026	3 mo	– alive –	♀