VIC – Les Rastars 

Statistics

Breeding statistics

Breeding activity period	2016–2025 (8 years, 10 months)

Declared litters	40 litters, 374 pups
⨽ internal (born in the rattery)	⨽ 28 litters, 246 pups
⨽ external (other contributed litters)	⨽ 12 litters, 128 pups

All rat records	369 rats
⨽ females	⨽ 184 females (49.9 %)
⨽ males	⨽ 185 males (50.1 %)

Litter statistics

Average mother age	207 days (6.8 months)
Average father age	441 days (14.5 months)
Average litter size	9.4 pups per litter
Average sex ratio	1.005 (about 1 male for 1 female)

Lifespan statistics

Bred rats recorded as deceased	180 rats (74.1 % of recorded bred rats)
⨽ declared with known date	⨽ 154 rats (85.6 %)
⨽ presumed dead	⨽ 26 rats (14.4 %)

Average lifespan of bred rats	20.5 months (♀: 21.9 months – ♂: 19 months)
⨽ infant mortality excluded	⨽ 20.5 months (♀: 21.9 months – ♂: 19 months)
⨽ accidents excluded	⨽ 21.4 months (♀: 22.8 months – ♂: 19.8 months)

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

Death causes statistics

Primary death causes by decreasing frequency

32.47 %	Respiratory
15.58 %	Old age, natural death (from 24 month old minimum)
13.64 %	Accidents, traumas, poisonings
12.34 %	Unknown cause
8.44 %	Neurological (brain, spinal cords, nerves)
6.49 %	Other
5.19 %	Eye, ear, mouth, face
3.9 %	Reproductive system
1.3 %	Urinary system (kidney, bladder)
1.3 %	Digestive

Secondary death causes by decreasing frequency

22.08 %	Bronchitis, pneumonia
15.58 %	*Old age, natural death (from 24 month old minimum)
11.69 %	Undetermined cause (known date)
9.09 %	*Respiratory
3.25 %	Zymbal gland tumor
3.25 %	*Neurological (brain, spinal cords, nerves)
2.6 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
2.6 %	Heatstroke
2.6 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
2.6 %	Pituitary tumor
2.6 %	Mammary tumor
2.6 %	Domestic accident (crush, door...)
2.6 %	Suffocation, choking
1.95 %	Undetermined tumor (affected organ unknown)
1.95 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
1.3 %	Facial abscess (excluding teeth and Zymbal gland)
1.3 %	Undetermined infection or abscess
1.3 %	Falls, fractures, head or spinal cord trauma (excluding fights)
0.65 %	Stroke
0.65 %	Digestive tumor (stomach, liver, pancreas, intestines...)
0.65 %	Other tumor (salivary, spleen, adrenal, thyroid...)
0.65 %	Other reproductive system disorder
0.65 %	Lung tumor
0.65 %	Urinary or kidney infection
0.65 %	Other urinary disorder
0.65 %	Brain infection, encephalitis, meningitis
0.65 %	Otitis, ear abscess
0.65 %	Uterine tumor
0.65 %	Brain tumor
0.65 %	Epilepsy
0.65 %	Gastroenteritis, diarrhea
0.65 %	Other respiratory trouble
0.65 %	*Unknown cause

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	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
✓	07/01/2025	RB. Kiwi	MIL-VIC Pettigrew	13
✓	29/11/2024	ANG-VIC Pomme De Reinette	RB. Minus	11
✓	06/11/2024	SAB Calypso	VIC Nocibe	11
✓	04/06/2024	MIL-VIC Helga	RB. Gelato	11
✓	22/05/2024	RB. Linea	RB. Cortex	14
✓	08/02/2024	MIL Meria	VIC Baldur	12

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	VIC60668F	VIC	Hermione †		23/12/2022	28 mo	Old age, natural death	♀
✓	VIC60660F	VIC	Brisby †		23/12/2022	27 mo	Bronchitis, pneumonia	♀
✓	VIC60599M	VIC	Colocu †	Colocu	20/08/2023	26 mo	Old age, natural death	♂
✓	VIC60472M	VIC	Hijo †		10/10/2023	24 mo	Mammary tumor	♂
✓	VIC60676F	VIC	Andarna		20/08/2023	26 mo	– alive –	♀
✓	VIC60466M	VIC	Junior †		20/08/2023	26 mo	Pituitary tumor	♂
✓	VIC60606F	VIC	Nezuko †		20/08/2023	26 mo	Bronchitis, pneumonia	♀
✓	VIC60598M	VIC	Nocibe †	Nocibe	20/08/2023	25 mo	Pituitary tumor	♂
✓	VIC61713M	VIC	Simon	Simon	11/08/2025	3 mo	– alive –	♂
✓	VIC61715M	VIC	Monoko	Monoko	11/08/2025	3 mo	– alive –	♂