MIL – Millo & cie 

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Statistics

Breeding statistics

Breeding activity period	2019–2024 (5 years, 5 months)

Declared litters	73 litters, 629 pups
⨽ internal (born in the rattery)	⨽ 61 litters, 506 pups
⨽ external (other contributed litters)	⨽ 12 litters, 123 pups

All rat records	633 rats
⨽ females	⨽ 328 females (51.8 %)
⨽ males	⨽ 305 males (48.2 %)

Litter statistics

Average mother age	228 days (7.5 months)
Average father age	443 days (14.5 months)
Average litter size	8.6 pups per litter
Average sex ratio	0.93 (about 13 females for 12 males)

Lifespan statistics

Bred rats recorded as deceased	315 rats (61.5 % of recorded bred rats)
⨽ declared with known date	⨽ 288 rats (91.4 %)
⨽ presumed dead	⨽ 27 rats (8.6 %)

Average lifespan of bred rats	22.2 months (♀: 23.4 months – ♂: 20.9 months)
⨽ infant mortality excluded	⨽ 22.2 months (♀: 23.4 months – ♂: 20.9 months)
⨽ accidents excluded	⨽ 22.9 months (♀: 24.1 months – ♂: 21.6 months)

Oldest bred rat	MIL-VIC Extremis (deceased at 3 years, 6 months, 14 days)

Death causes statistics

Primary death causes by decreasing frequency

21.88 %	Old age, natural death (from 24 month old minimum)
21.18 %	Respiratory
11.11 %	Unknown cause
10.76 %	Other
9.03 %	Neurological (brain, spinal cords, nerves)
6.6 %	Accidents, traumas, poisonings
6.25 %	Eye, ear, mouth, face
5.56 %	Reproductive system
3.47 %	Cardiovascular
2.43 %	Digestive
0.69 %	Urinary system (kidney, bladder)
0.69 %	Skin
0.35 %	Muscles and skeleton

Secondary death causes by decreasing frequency

21.88 %	*Old age, natural death (from 24 month old minimum)
17.36 %	Bronchitis, pneumonia
11.11 %	Undetermined cause (known date)
4.86 %	Mammary tumor
4.17 %	Undetermined tumor (affected organ unknown)
3.47 %	Pituitary tumor
3.13 %	*Respiratory
2.78 %	Stroke
2.43 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
2.08 %	Facial tumor (excluding Zymbal tumor)
2.08 %	Zymbal gland tumor
1.74 %	Heart attack, infarct, pulmonary embolism
1.74 %	Generalized cancer, leukemia, lymphoma
1.74 %	Undetermined infection or abscess
1.74 %	*Neurological (brain, spinal cords, nerves)
1.39 %	Digestive tumor (stomach, liver, pancreas, intestines...)
1.39 %	Suffocation, choking
1.39 %	*Other
1.04 %	Domestic accident (crush, door...)
1.04 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.04 %	Hemorrhage (exaggerated relative to the context, coagulation disorder, hemophilia)
1.04 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
0.69 %	Complications of gestation or parturition
0.69 %	Tooth abscess
0.69 %	Facial abscess (excluding teeth and Zymbal gland)
0.69 %	Urinary or kidney infection
0.69 %	Other heart or vascular problem
0.69 %	*Digestive
0.35 %	Other known cause fitting no other category
0.35 %	Brain infection, encephalitis, meningitis
0.35 %	Other accident or trauma
0.35 %	Pulmonary edema
0.35 %	Dental malocclusion
0.35 %	Falls, fractures, head or spinal cord trauma (excluding fights)
0.35 %	Lung tumor
0.35 %	Progressive spinal cord damage, degenerative paralysis
0.35 %	Liver failure
0.35 %	Subcutaneous abscess
0.35 %	Brain tumor
0.35 %	Other tumor (salivary, spleen, adrenal, thyroid...)
0.35 %	Bone tumor
0.35 %	*Skin
0.35 %	*Eye, ear, mouth, face

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✗	24/10/2024	MIL Elone	MIL-VIC Monarque	10
✗	27/09/2024	IND Brona	MIL Glyde	8
✗	26/09/2024	ANG-MIL Ayla	MIL Echo	10
✓	25/06/2024	DEL The Secret of MIMH	MIL Alcatraz	12
✓	04/06/2024	MIL Aura	RB. Largo	13
✓	22/05/2024	RB. Linea	RB. Cortex	14
✓	23/04/2024	MIL-VIC Salina	MIL Neptune	18
✓	08/04/2024	VIC Gertrude	MIL Alcatraz	12
✓	08/02/2024	MIL Meria	VIC Baldur	12
✓	31/12/2023	VIC Cosma	PLS Dunkan	12

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	MIL60203M	MIL	Newton †		03/05/2022	23 mo	Pituitary tumor	♂
✓	MIL58571M	MIL	Hersent †		02/02/2023	22 mo	Undetermined cause	♂
✓	MIL58947F	MIL	Nifemi †		09/09/2023	9 mo	Urinary or kidney infection	♀
✓	MIL60468M	MIL	Joker		09/09/2023	16 mo	– alive –	♂
✓	MIL57711M	MIL-LPM	Pluton †		07/12/2022	21 mo	Bronchitis, pneumonia	♂
✓	MIL57715M	MIL	Nash †		02/02/2023	21 mo	Undetermined cause	♂
✓	MIL58954M	MIL	Stone †		13/09/2023	13 mo	Bronchitis, pneumonia	♂
✓	MIL58957M	MIL	Polaris †		22/11/2023	10 mo	Facial tumor	♂
✓	MIL57665F	MIL-MGR	Tundra †		08/10/2022	25 mo	Brain tumor	♀
✓	MIL60298F	MIL	Audrey †		02/02/2023	18 mo	Bronchitis, pneumonia	♀