VIC – Les Rastars 

Statistics

Breeding statistics

Breeding activity period	2016–2025 (8 years, 2 months)

Declared litters	36 litters, 344 pups
⨽ internal (born in the rattery)	⨽ 25 litters, 223 pups
⨽ external (other contributed litters)	⨽ 11 litters, 121 pups

All rat records	338 rats
⨽ females	⨽ 169 females (50 %)
⨽ males	⨽ 169 males (50 %)

Litter statistics

Average mother age	202 days (6.6 months)
Average father age	442 days (14.5 months)
Average litter size	9.6 pups per litter
Average sex ratio	Balanced (1 male for 1 female)

Lifespan statistics

Bred rats recorded as deceased	136 rats (62.1 % of recorded bred rats)
⨽ declared with known date	⨽ 119 rats (87.5 %)
⨽ presumed dead	⨽ 17 rats (12.5 %)

Average lifespan of bred rats	19 months (♀: 20.2 months – ♂: 18 months)
⨽ infant mortality excluded	⨽ 19 months (♀: 20.2 months – ♂: 18 months)
⨽ accidents excluded	⨽ 19.9 months (♀: 21.2 months – ♂: 18.9 months)

Oldest bred rat	VIC-LPM Scrat (deceased at 2 years, 6 months, 1 day)

Death causes statistics

Primary death causes by decreasing frequency

34.45 %	Respiratory
15.13 %	Accidents, traumas, poisonings
13.45 %	Unknown cause
10.92 %	Old age, natural death (from 24 month old minimum)
8.4 %	Neurological (brain, spinal cords, nerves)
8.4 %	Other
5.88 %	Eye, ear, mouth, face
1.68 %	Urinary system (kidney, bladder)
0.84 %	Reproductive system
0.84 %	Digestive

Secondary death causes by decreasing frequency

21.01 %	Bronchitis, pneumonia
13.45 %	Undetermined cause (known date)
11.76 %	*Respiratory
10.92 %	*Old age, natural death (from 24 month old minimum)
4.2 %	Zymbal gland tumor
4.2 %	*Neurological (brain, spinal cords, nerves)
3.36 %	Domestic accident (crush, door...)
3.36 %	Suffocation, choking
3.36 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
2.52 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
2.52 %	Undetermined tumor (affected organ unknown)
2.52 %	Heatstroke
2.52 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.68 %	Pituitary tumor
1.68 %	Facial abscess (excluding teeth and Zymbal gland)
1.68 %	Undetermined infection or abscess
0.84 %	Other respiratory trouble
0.84 %	Other reproductive system disorder
0.84 %	Lung tumor
0.84 %	Epilepsy
0.84 %	Other urinary disorder
0.84 %	Falls, fractures, head or spinal cord trauma (excluding fights)
0.84 %	Other tumor (salivary, spleen, adrenal, thyroid...)
0.84 %	Brain infection, encephalitis, meningitis
0.84 %	Urinary or kidney infection
0.84 %	Brain tumor
0.84 %	Gastroenteritis, diarrhea

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	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
✓	10/12/2023	MIL Satine	VIC Patmol	8
✓	13/10/2023	RB. Mavia	VIC Patmol	10
✓	10/10/2023	RB. Yume	MIL Smoke	10
✓	05/10/2023	VIC Moustache	VIC Lino	9

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	VIC60630F	VIC	Blanche †		10/04/2023	22 mo	Bronchitis, pneumonia	♀
✓	VIC57608M	VIC-MIL	Goliath †		18/09/2022	27 mo	Bronchitis, pneumonia	♂
✓	VIC60873F	VIC	Misty †		29/11/2024	3 mo	Falls, fractures, etc.	♀
✓	VIC58740M	VIC	Meeko †		10/04/2023	22 mo	Undetermined cause	♂
✓	VIC60636F	VIC	Violette †		20/03/2023	22 mo	Bronchitis, pneumonia	♀
✓	VIC58125F	VIC	Elsa		20/03/2023	23 mo	– alive –	♀
✓	VIC60474M	VIC	Jimbo		20/08/2023	18 mo	– alive –	♂
✓	VIC60626M	VIC	Ridder †		10/04/2023	22 mo	Undetermined cause	♂
✓	VIC61026M	VIC	Abricot	Abricot	07/01/2025	2 mo	– alive –	♂
✓	VIC61027F	VIC	Myrtille	Myrtille	07/01/2025	2 mo	– alive –	♀