MIL – Millo & cie 

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Statistics

Breeding statistics

Breeding activity period	2019–2025 (5 years, 10 months)

Declared litters	78 litters, 673 pups
⨽ internal (born in the rattery)	⨽ 64 litters, 537 pups
⨽ external (other contributed litters)	⨽ 14 litters, 136 pups

All rat records	662 rats
⨽ females	⨽ 339 females (51.2 %)
⨽ males	⨽ 323 males (48.8 %)

Litter statistics

Average mother age	228 days (7.5 months)
Average father age	447 days (14.7 months)
Average litter size	8.6 pups per litter
Average sex ratio	0.953 (about 1 female for 1 male)

Lifespan statistics

Bred rats recorded as deceased	336 rats (63.3 % of recorded bred rats)
⨽ declared with known date	⨽ 309 rats (92 %)
⨽ presumed dead	⨽ 27 rats (8 %)

Average lifespan of bred rats	21.9 months (♀: 23 months – ♂: 20.9 months)
⨽ infant mortality excluded	⨽ 21.9 months (♀: 23 months – ♂: 20.9 months)
⨽ accidents excluded	⨽ 22.6 months (♀: 23.7 months – ♂: 21.5 months)

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

Death causes statistics

Primary death causes by decreasing frequency

21.36 %	Old age, natural death (from 24 month old minimum)
21.36 %	Respiratory
11.65 %	Other
11.33 %	Unknown cause
8.41 %	Neurological (brain, spinal cords, nerves)
6.8 %	Accidents, traumas, poisonings
6.8 %	Eye, ear, mouth, face
5.18 %	Reproductive system
3.24 %	Cardiovascular
2.27 %	Digestive
0.65 %	Urinary system (kidney, bladder)
0.65 %	Skin
0.32 %	Muscles and skeleton

Secondary death causes by decreasing frequency

21.36 %	*Old age, natural death (from 24 month old minimum)
17.48 %	Bronchitis, pneumonia
11.33 %	Undetermined cause (known date)
4.53 %	Mammary tumor
3.56 %	Undetermined tumor (affected organ unknown)
3.24 %	Pituitary tumor
3.24 %	*Respiratory
2.59 %	Stroke
2.59 %	Facial tumor (excluding Zymbal tumor)
2.59 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
2.27 %	Generalized cancer, leukemia, lymphoma
1.94 %	Zymbal gland tumor
1.62 %	Undetermined infection or abscess
1.62 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
1.62 %	Heart attack, infarct, pulmonary embolism
1.62 %	*Neurological (brain, spinal cords, nerves)
1.29 %	Digestive tumor (stomach, liver, pancreas, intestines...)
1.29 %	Suffocation, choking
1.29 %	*Other
0.97 %	Hemorrhage (exaggerated relative to the context, coagulation disorder, hemophilia)
0.97 %	Domestic accident (crush, door...)
0.97 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
0.65 %	Other tumor (salivary, spleen, adrenal, thyroid...)
0.65 %	Urinary or kidney infection
0.65 %	Other heart or vascular problem
0.65 %	Complications of gestation or parturition
0.65 %	Tooth abscess
0.65 %	Facial abscess (excluding teeth and Zymbal gland)
0.65 %	*Digestive
0.32 %	Falls, fractures, head or spinal cord trauma (excluding fights)
0.32 %	Lung tumor
0.32 %	Progressive spinal cord damage, degenerative paralysis
0.32 %	Retro-orbital abscess
0.32 %	Liver failure
0.32 %	Brain tumor
0.32 %	Subcutaneous abscess
0.32 %	Brain infection, encephalitis, meningitis
0.32 %	Bone tumor
0.32 %	Sepsis
0.32 %	Other known cause fitting no other category
0.32 %	Other accident or trauma
0.32 %	Dental malocclusion
0.32 %	Pulmonary edema
0.32 %	*Eye, ear, mouth, face
0.32 %	*Accidents, traumas, poisonings
0.32 %	*Skin

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✗	04/04/2025	MIL Narissa	MGR-MIL Naos	12
✓	24/10/2024	MIL Elone	MIL-VIC Monarque	10
✓	27/09/2024	IND Brona	MIL Glyde	10
✓	26/09/2024	ANG-MIL Ayla	MIL Echo	11
✓	25/08/2024	MGR-MIL Flora	VIC Tyrell	3
✓	25/06/2024	DEL The Secret of MIMH	MIL Alcatraz	12
✓	18/06/2024	MIL Nocturne	MIL Lemon	10
✓	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

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	MIL57591M	MIL	Oceans of Time †		04/05/2022	36 mo	Old age, natural death	♂
✓	MIL60468M	MIL	Joker †		09/09/2023	20 mo	Bronchitis, pneumonia	♂
✓	MIL59868M	MIL	Clyde		08/04/2024	13 mo	– alive –	♂
✗	MIL60285M	MIL	Capitaine †		08/04/2023	25 mo	Old age, natural death	♂
✓	MIL59802M	MIL	Caïn		08/04/2024	13 mo	– alive –	♂
✓	MIL59801M	MIL	Judas		08/04/2024	13 mo	– alive –	♂
✓	MIL60582F	MIL-DEL	Raven	Darwi Odrade	25/06/2024	10 mo	– alive –	♀
✓	MIL60581F	MIL-DEL	Starfire	Liette Kynes	25/06/2024	10 mo	– alive –	♀
✓	MIL61127M	MIL	Arakis		24/10/2024	6 mo	– alive –	♂
✓	MIL58949F	MIL	Aura †		22/10/2023	13 mo	Generalized cancer, etc.	♀