LVM – Les Voleurs de Miettes 

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Statistics

Breeding statistics

Breeding activity period	2008–2025 (16 years, 2 months)

Declared litters	45 litters, 499 pups
⨽ internal (born in the rattery)	⨽ 41 litters, 452 pups
⨽ external (other contributed litters)	⨽ 4 litters, 47 pups

All rat records	496 rats
⨽ females	⨽ 242 females (48.8 %)
⨽ males	⨽ 254 males (51.2 %)

Litter statistics

Average mother age	219 days (7.2 months)
Average father age	530 days (17.4 months)
Average litter size	11.1 pups per litter
Average sex ratio	1.05 (about 1 male for 1 female)

Lifespan statistics

Bred rats recorded as deceased	409 rats (90.7 % of recorded bred rats)
⨽ declared with known date	⨽ 391 rats (95.6 %)
⨽ presumed dead	⨽ 18 rats (4.4 %)

Average lifespan of bred rats	21.3 months (♀: 22.2 months – ♂: 20.6 months)
⨽ infant mortality excluded	⨽ 23.1 months (♀: 23.9 months – ♂: 22.5 months)
⨽ accidents excluded	⨽ 24.6 months (♀: 25.1 months – ♂: 24 months)

Oldest bred rat	LVM Mogovsky (deceased at 3 years, 8 days)

Death causes statistics

Primary death causes by decreasing frequency

23.02 %	Old age, natural death (from 24 month old minimum)
12.53 %	Respiratory
11 %	Accidents, traumas, poisonings
10.23 %	Neurological (brain, spinal cords, nerves)
9.21 %	Other
8.95 %	Unknown cause
7.67 %	Infant mortality (up to 6 week old)
5.88 %	Reproductive system
5.12 %	Cardiovascular
2.3 %	Digestive
1.79 %	Urinary system (kidney, bladder)
1.79 %	Eye, ear, mouth, face
0.51 %	Skin

Secondary death causes by decreasing frequency

23.02 %	*Old age, natural death (from 24 month old minimum)
8.95 %	Undetermined cause (known date)
7.93 %	Bronchitis, pneumonia
6.91 %	Stroke
4.35 %	Mammary tumor
3.58 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
3.58 %	Undetermined tumor (affected organ unknown)
3.32 %	*Infant mortality (up to 6 week old)
3.07 %	Heatstroke
2.81 %	Domestic accident (crush, door...)
2.3 %	Stillborn
2.05 %	Heart attack, infarct, pulmonary embolism
2.05 %	Heart failure, valvular disease
1.79 %	*Respiratory
1.53 %	Pituitary tumor
1.53 %	Digestive tumor (stomach, liver, pancreas, intestines...)
1.53 %	Brain tumor
1.28 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
1.02 %	Other heart or vascular problem
1.02 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.02 %	Generalized cancer, leukemia, lymphoma
1.02 %	Renal failure
1.02 %	Other infant mortality cause
1.02 %	Lung tumor
1.02 %	Other respiratory trouble
1.02 %	*Other
0.77 %	Otitis, ear abscess
0.77 %	Allergy, anaphylactic shock
0.77 %	Lack of milk
0.77 %	Pulmonary edema
0.77 %	Undetermined infection or abscess
0.51 %	Uterine tumor
0.51 %	Other tumor (salivary, spleen, adrenal, thyroid...)
0.51 %	Bladder tumor
0.51 %	Facial tumor (excluding Zymbal tumor)
0.26 %	Skin tumor, skin cancer
0.26 %	Other digestive trouble
0.26 %	Urinary or kidney infection
0.26 %	Malformation, hydrocephalus
0.26 %	Complications of gestation or parturition
0.26 %	Uterus infection (metritis, pyometra)
0.26 %	Liver failure
0.26 %	Testicular tumor
0.26 %	Other accident or trauma
0.26 %	Facial abscess (excluding teeth and Zymbal gland)
0.26 %	Vaginal tumor
0.26 %	Subcutaneous abscess
0.26 %	Other known cause fitting no other category
0.26 %	Suffocation, choking
0.26 %	Tooth abscess
0.26 %	Digestive abscess
0.26 %	*Neurological (brain, spinal cords, nerves)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	18/02/2025	IND-ARD Mulan	IND Ad astra per aspera	9
✓	13/02/2025	ARD Mushu	LVM Gowron	13
✓	02/09/2024	IND Tiny Winnie	LVM Meteor Master	11
✓	26/04/2024	LVM Inej	IND Ad astra per aspera	12
✓	14/12/2023	PRH Siumai	LVM Nailed it !	13
✓	28/10/2023	DPR Historia	LVM Nailed it !	9
✓	17/08/2023	DEL Ellen Ripley	IND Xenomorph	12
✓	01/08/2023	IND Zoya	LVM Nailed it !	10
✓	11/10/2022	DEL-DNR Abysse Mortifère	LVM Shadowfax	12
✓	27/04/2022	IND Vortex	LVM Khitomer	9

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	LVM58363F	LVM	Freya †	Ténia	17/08/2023	26 mo	Old age, natural death	♀
✗	LVM59595M	LVM	Kartoffel †	Pince monseigneur	26/04/2024	17 mo	Suffocation, choking	♂
✓	LVM58364M	LVM	Echinococcus †		17/08/2023	24 mo	Bronchitis, pneumonia	♂
✓	LVM58373F	LVM	Kali †	Dirofilariose	17/08/2023	18 mo	Other heart or vascular problem	♀
✓	LVM58365F	LVM	Giardia †		17/08/2023	22 mo	Other heart or vascular problem	♀
✓	LVM58327F	LVM	Chiro †	Uggalepih	01/08/2023	22 mo	Brain tumor	♀
✓	LVM58332F	LVM	Donut †	Kuluu	01/08/2023	22 mo	Bladder tumor	♀
✓	LVM58372M	LVM	Cryptosporidium †		17/08/2023	18 mo	Stroke	♂
✓	LVM58766F	LVM	Pirouette Biellmann †		28/10/2023	15 mo	Bronchitis, pneumonia	♀
✓	LVM59589F	LVM	Adhara †	Masque de bandit	26/04/2024	8 mo	Other known cause fitting no other category	♀