LVM – Les Voleurs de Miettes 

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Statistics

Breeding statistics

Breeding activity period	2008–2024 (15 years, 9 months)

Declared litters	43 litters, 477 pups
⨽ internal (born in the rattery)	⨽ 41 litters, 452 pups
⨽ external (other contributed litters)	⨽ 2 litters, 25 pups

All rat records	477 rats
⨽ females	⨽ 229 females (48 %)
⨽ males	⨽ 248 males (52 %)

Litter statistics

Average mother age	217 days (7.1 months)
Average father age	527 days (17.3 months)
Average litter size	11.1 pups per litter
Average sex ratio	1.083 (about 13 males for 12 females)

Lifespan statistics

Bred rats recorded as deceased	400 rats (88.5 % of recorded bred rats)
⨽ declared with known date	⨽ 382 rats (95.5 %)
⨽ presumed dead	⨽ 18 rats (4.5 %)

Average lifespan of bred rats	21.4 months (♀: 22.3 months – ♂: 20.6 months)
⨽ infant mortality excluded	⨽ 23.2 months (♀: 24.1 months – ♂: 22.5 months)
⨽ accidents excluded	⨽ 24.7 months (♀: 25.4 months – ♂: 24.1 months)

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

Death causes statistics

Primary death causes by decreasing frequency

23.3 %	Old age, natural death (from 24 month old minimum)
12.3 %	Respiratory
11.26 %	Accidents, traumas, poisonings
9.95 %	Neurological (brain, spinal cords, nerves)
9.16 %	Other
9.16 %	Unknown cause
7.85 %	Infant mortality (up to 6 week old)
6.02 %	Reproductive system
4.71 %	Cardiovascular
2.36 %	Digestive
1.83 %	Eye, ear, mouth, face
1.57 %	Urinary system (kidney, bladder)
0.52 %	Skin

Secondary death causes by decreasing frequency

23.3 %	*Old age, natural death (from 24 month old minimum)
9.16 %	Undetermined cause (known date)
7.59 %	Bronchitis, pneumonia
6.81 %	Stroke
4.45 %	Mammary tumor
3.66 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
3.66 %	Undetermined tumor (affected organ unknown)
3.4 %	*Infant mortality (up to 6 week old)
3.14 %	Heatstroke
2.88 %	Domestic accident (crush, door...)
2.36 %	Stillborn
2.09 %	Heart attack, infarct, pulmonary embolism
2.09 %	Heart failure, valvular disease
1.83 %	*Respiratory
1.57 %	Pituitary tumor
1.57 %	Digestive tumor (stomach, liver, pancreas, intestines...)
1.31 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
1.31 %	Brain tumor
1.05 %	Lung tumor
1.05 %	Other respiratory trouble
1.05 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.05 %	Generalized cancer, leukemia, lymphoma
1.05 %	Renal failure
1.05 %	Other infant mortality cause
1.05 %	*Other
0.79 %	Undetermined infection or abscess
0.79 %	Otitis, ear abscess
0.79 %	Allergy, anaphylactic shock
0.79 %	Lack of milk
0.79 %	Pulmonary edema
0.52 %	Facial tumor (excluding Zymbal tumor)
0.52 %	Other heart or vascular problem
0.52 %	Uterine tumor
0.52 %	Other tumor (salivary, spleen, adrenal, thyroid...)
0.26 %	Suffocation, choking
0.26 %	Tooth abscess
0.26 %	Digestive abscess
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 %	Bladder tumor
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 %	*Neurological (brain, spinal cords, nerves)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	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
✓	31/07/2021	VGP-DNA Gunpatelle Gertie	LVM Devil Inside	12
✓	21/05/2021	ALC Magic Cocoa	LVM Devil Inside	1

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	LVM60447M	LVM	Big Daddy		02/09/2024	4 mo	– alive –	♂
✓	LVM60449M	LVM	Chrosôme		02/09/2024	4 mo	– alive –	♂
✓	LVM60448M	LVM	Pixel	Booker DeWitt	02/09/2024	4 mo	– alive –	♂
✓	LVM60450M	LVM	Nuage	Handyman	02/09/2024	4 mo	– alive –	♂
✓	LVM60451F	LVM	Nemhain	Little Sister	02/09/2024	4 mo	– alive –	♂
✓	LVM60452F	LVM	Aifé	Lutece	02/09/2024	4 mo	– alive –	♀
✓	LVM56930M	LVM	Nailed it ! †	M. Spock	27/04/2022	29 mo	Old age, natural death	♂
✓	LVM60455F	LVM	Vox Populi		02/09/2024	4 mo	– alive –	♀
✓	LVM60454M	LVM	Songbird		02/09/2024	4 mo	– alive –	♂
✓	LVM60453M	LVM	Rapture		02/09/2024	4 mo	– alive –	♂