DVO – Domaine de Victor et Olaf.  ☾

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Statistics

Breeding statistics

Breeding activity period	2021–2023 (2 years)

Declared litters	13 litters, 120 pups
⨽ internal (born in the rattery)	⨽ 13 litters, 120 pups
⨽ external (other contributed litters)	⨽ 0 litter, no pup

All rat records	120 rats
⨽ females	⨽ 58 females (48.3 %)
⨽ males	⨽ 62 males (51.7 %)

Litter statistics

Average mother age	254 days (8.3 months)
Average father age	415 days (13.6 months)
Average litter size	9.2 pups per litter
Average sex ratio	1.069 (about 1 male for 1 female)

Lifespan statistics

Bred rats recorded as deceased	86 rats (71.7 % of recorded bred rats)
⨽ declared with known date	⨽ 50 rats (58.1 %)
⨽ presumed dead	⨽ 36 rats (41.9 %)

Average lifespan of bred rats	21.1 months (♀: 20 months – ♂: 22.5 months)
⨽ infant mortality excluded	⨽ 21.1 months (♀: 20 months – ♂: 22.5 months)
⨽ accidents excluded	⨽ 22.7 months (♀: 21.5 months – ♂: 24.3 months)

Oldest bred rat	DVO Gustave (deceased at 2 years, 7 months, 14 days)

Death causes statistics

Primary death causes by decreasing frequency

24 %	Respiratory
18 %	Unknown cause
18 %	Reproductive system
16 %	Old age, natural death (from 24 month old minimum)
8 %	Other
8 %	Accidents, traumas, poisonings
4 %	Neurological (brain, spinal cords, nerves)
2 %	Urinary system (kidney, bladder)
2 %	Digestive
2 %	Cardiovascular

Secondary death causes by decreasing frequency

16 %	Undetermined cause (known date)
16 %	Mammary tumor
16 %	*Old age, natural death (from 24 month old minimum)
14 %	*Respiratory
8 %	Bronchitis, pneumonia
8 %	Domestic accident (crush, door...)
4 %	Undetermined infection or abscess
4 %	Pituitary tumor
2 %	Uterus infection (metritis, pyometra)
2 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
2 %	Heart failure, valvular disease
2 %	Kidney tumor
2 %	Digestive abscess
2 %	Undetermined tumor (affected organ unknown)
2 %	Lung tumor
2 %	*Unknown cause

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	25/04/2023	DVO gaëlle	DVO dimitri	11
✓	17/03/2023	DVO janet	DVO Antonio	6
✓	23/01/2023	DVO eileen	DVO Ghislain	9
✓	02/01/2023	DVO laurie	DVO Antonio	12
✓	05/11/2022	DVO esther	DVO Gustave	13
✓	14/07/2022	DVO Julia	RLA louis	10
✓	31/05/2022	RLA Lucie	RLA David	9
✓	30/04/2022	VRI Isoa	RLA Richard	10
✓	25/01/2022	DVO Sabine	DVO Gustave	6
✓	06/01/2022	DVO Georgie	DVO Eden	8

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	DVO57277M	DVO	kurt †		14/07/2022	– ?? –	No information	♂
✓	DVO57278M	DVO	yuston †		14/07/2022	– ?? –	No information	♂
✓	DVO57276M	DVO	neko †		14/07/2022	– ?? –	No information	♂
✓	DVO57275M	DVO	jules †		14/07/2022	– ?? –	No information	♂
✓	DVO57280M	DVO	jaques †		14/07/2022	– ?? –	No information	♂
✓	DVO57279M	DVO	jonathan †		14/07/2022	30 mo	Undetermined cause	♂
✓	DVO57601F	DVO	angélique †		02/01/2023	24 mo	Heart failure, etc.	♀
✓	DVO57605M	DVO	léon †		02/01/2023	23 mo	Pituitary tumor	♂
✓	DVO57789M	DVO	bernard †		17/03/2023	20 mo	Kidney tumor	♂
✓	DVO57037M	DVO	james †		30/04/2022	– ?? –	No information	♂