VIC – Les Rastars 

Statistics

Breeding statistics

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

Declared litters	45 litters, 415 pups
⨽ internal (born in the rattery)	⨽ 33 litters, 287 pups
⨽ external (other contributed litters)	⨽ 12 litters, 128 pups

All rat records	415 rats
⨽ females	⨽ 212 females (51.1 %)
⨽ males	⨽ 203 males (48.9 %)

Litter statistics

Average mother age	210 days (6.9 months)
Average father age	446 days (14.6 months)
Average litter size	9.2 pups per litter
Average sex ratio	0.958 (about 1 female for 1 male)

Lifespan statistics

Bred rats recorded as deceased	195 rats (67.5 % of recorded bred rats)
⨽ declared with known date	⨽ 169 rats (86.7 %)
⨽ presumed dead	⨽ 26 rats (13.3 %)

Average lifespan of bred rats	20.4 months (♀: 21.6 months – ♂: 19 months)
⨽ infant mortality excluded	⨽ 20.4 months (♀: 21.6 months – ♂: 19 months)
⨽ accidents excluded	⨽ 21.1 months (♀: 22.4 months – ♂: 19.8 months)

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

Death causes statistics

Primary death causes by decreasing frequency

33.14 %	Respiratory
15.98 %	Old age, natural death (from 24 month old minimum)
12.43 %	Accidents, traumas, poisonings
12.43 %	Unknown cause
9.47 %	Neurological (brain, spinal cords, nerves)
5.92 %	Other
4.73 %	Eye, ear, mouth, face
4.14 %	Reproductive system
1.18 %	Digestive
1.18 %	Urinary system (kidney, bladder)

Secondary death causes by decreasing frequency

23.08 %	Bronchitis, pneumonia
15.98 %	*Old age, natural death (from 24 month old minimum)
11.83 %	Undetermined cause (known date)
8.28 %	*Respiratory
3.55 %	Pituitary tumor
2.96 %	Zymbal gland tumor
2.96 %	*Neurological (brain, spinal cords, nerves)
2.37 %	Mammary tumor
2.37 %	Domestic accident (crush, door...)
2.37 %	Suffocation, choking
2.37 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
2.37 %	Heatstroke
2.37 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.78 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
1.78 %	Undetermined tumor (affected organ unknown)
1.18 %	Brain tumor
1.18 %	Falls, fractures, head or spinal cord trauma (excluding fights)
1.18 %	Other respiratory trouble
1.18 %	Facial abscess (excluding teeth and Zymbal gland)
1.18 %	Undetermined infection or abscess
0.59 %	Otitis, ear abscess
0.59 %	Uterine tumor
0.59 %	Epilepsy
0.59 %	Gastroenteritis, diarrhea
0.59 %	Stroke
0.59 %	Digestive tumor (stomach, liver, pancreas, intestines...)
0.59 %	Other tumor (salivary, spleen, adrenal, thyroid...)
0.59 %	Other reproductive system disorder
0.59 %	Lung tumor
0.59 %	Urinary or kidney infection
0.59 %	Other urinary disorder
0.59 %	Brain infection, encephalitis, meningitis
0.59 %	*Unknown cause
0.59 %	*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
✓	VIC62542F	VIC-ANG	Plume	Plume	12/06/2026	1 mo	– alive –	♀
✓	VIC62543F	VIC-ANG	Brume	Brume	12/06/2026	1 mo	– alive –	♀
✓	VIC62544F	VIC-ANG	Guimauve	Guimauve	12/06/2026	1 mo	– alive –	♀
✓	VIC62545F	VIC-ANG	Mousse	Mousse	12/06/2026	1 mo	– alive –	♀
✓	VIC62546F	VIC-ANG	Nuage	Nuage	12/06/2026	1 mo	– alive –	♀
✓	VIC62547M	VIC-ANG	Pilou	Pilou	12/06/2026	1 mo	– alive –	♂
✓	VIC62548M	VIC-ANG	Nounours	Nounours	12/06/2026	1 mo	– alive –	♂
✓	VIC62549M	VIC-ANG	Pixel	Pixel	12/06/2026	1 mo	– alive –	♂
✓	VIC61917F	VIC-ANG	Mona	Amonita	23/10/2025	9 mo	– alive –	♀
✓	VIC60825F	VIC-ANG	Sephora †		06/11/2024	20 mo	Bronchitis, pneumonia	♀