VIC – Les Rastars 

Statistics

Breeding statistics

Breeding activity period	2016–2025 (9 years, 1 month)

Declared litters	43 litters, 401 pups
⨽ internal (born in the rattery)	⨽ 31 litters, 273 pups
⨽ external (other contributed litters)	⨽ 12 litters, 128 pups

All rat records	395 rats
⨽ females	⨽ 200 females (50.6 %)
⨽ males	⨽ 195 males (49.4 %)

Litter statistics

Average mother age	207 days (6.8 months)
Average father age	444 days (14.6 months)
Average litter size	9.3 pups per litter
Average sex ratio	0.975 (about 1 female for 1 male)

Lifespan statistics

Bred rats recorded as deceased	185 rats (68.8 % of recorded bred rats)
⨽ declared with known date	⨽ 159 rats (85.9 %)
⨽ presumed dead	⨽ 26 rats (14.1 %)

Average lifespan of bred rats	20.6 months (♀: 22 months – ♂: 19.1 months)
⨽ infant mortality excluded	⨽ 20.6 months (♀: 22 months – ♂: 19.1 months)
⨽ accidents excluded	⨽ 21.5 months (♀: 23 months – ♂: 20 months)

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

Death causes statistics

Primary death causes by decreasing frequency

32.08 %	Respiratory
16.35 %	Old age, natural death (from 24 month old minimum)
13.21 %	Accidents, traumas, poisonings
11.95 %	Unknown cause
9.43 %	Neurological (brain, spinal cords, nerves)
6.29 %	Other
5.03 %	Eye, ear, mouth, face
3.77 %	Reproductive system
1.26 %	Digestive
1.26 %	Urinary system (kidney, bladder)

Secondary death causes by decreasing frequency

22.01 %	Bronchitis, pneumonia
16.35 %	*Old age, natural death (from 24 month old minimum)
11.32 %	Undetermined cause (known date)
8.81 %	*Respiratory
3.14 %	Pituitary tumor
3.14 %	Zymbal gland tumor
3.14 %	*Neurological (brain, spinal cords, nerves)
2.52 %	Heatstroke
2.52 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
2.52 %	Mammary tumor
2.52 %	Domestic accident (crush, door...)
2.52 %	Suffocation, choking
2.52 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
1.89 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
1.89 %	Undetermined tumor (affected organ unknown)
1.26 %	Undetermined infection or abscess
1.26 %	Brain tumor
1.26 %	Falls, fractures, head or spinal cord trauma (excluding fights)
1.26 %	Facial abscess (excluding teeth and Zymbal gland)
0.63 %	Other urinary disorder
0.63 %	Brain infection, encephalitis, meningitis
0.63 %	Otitis, ear abscess
0.63 %	Uterine tumor
0.63 %	Epilepsy
0.63 %	Gastroenteritis, diarrhea
0.63 %	Other respiratory trouble
0.63 %	Stroke
0.63 %	Digestive tumor (stomach, liver, pancreas, intestines...)
0.63 %	Other tumor (salivary, spleen, adrenal, thyroid...)
0.63 %	Other reproductive system disorder
0.63 %	Lung tumor
0.63 %	Urinary or kidney infection
0.63 %	*Unknown cause

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	26/11/2025	MIL Eshe	RB. Kipu	8
✓	23/11/2025	MGR Zelya	RB. Kipu	8
✓	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
✓	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

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✗	VIC60870M	VIC	Lazar †		29/11/2024	15 mo	Sepsis	♂
✓	VIC61990F	VIC	Byzou	Abyzou	23/11/2025	4 mo	– alive –	♀
✓	VIC60600M	VIC	Sirius †		20/08/2023	30 mo	Old age, natural death	♂
✓	VIC60602F	VIC	Rhea †		20/08/2023	29 mo	Old age, natural death	♀
✓	VIC60820M	VIC-ANG	Taka		06/11/2024	16 mo	– alive –	♂
✓	VIC61708F	VIC	Clea	Clea	11/08/2025	7 mo	– alive –	♀
✓	VIC62026F	VIC	Fuli	Fuli	26/11/2025	3 mo	– alive –	♀
✓	VIC60607F	VIC	Suki		20/08/2023	31 mo	– alive –	♀
✓	VIC60874F	VIC	Atouille		29/11/2024	15 mo	– alive –	♀
✓	VIC62024F	VIC	Vitani	Vitani	26/11/2025	3 mo	– alive –	♀