ZOF – zest of rat  ☾

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Statistics

Breeding statistics

Breeding activity period	2012–2014 (2 years, 5 months)

Declared litters	6 litters, 43 pups
⨽ internal (born in the rattery)	⨽ 5 litters, 34 pups
⨽ external (other contributed litters)	⨽ 1 litter, 9 pups

All rat records	50 rats
⨽ females	⨽ 26 females (52 %)
⨽ males	⨽ 24 males (48 %)

Litter statistics

Average mother age	247 days (8.1 months)
Average father age	590 days (19.3 months)
Average litter size	7.2 pups per litter
Average sex ratio	0.923 (about 13 females for 12 males)

Lifespan statistics

Bred rats recorded as deceased	40 rats (97.6 % of recorded bred rats)
⨽ declared with known date	⨽ 16 rats (40 %)
⨽ presumed dead	⨽ 24 rats (60 %)

Average lifespan of bred rats	22.4 months (♀: 23.8 months – ♂: 20.6 months)
⨽ infant mortality excluded	⨽ 22.4 months (♀: 23.8 months – ♂: 20.6 months)
⨽ accidents excluded	⨽ 23.3 months (♀: 25.9 months – ♂: 20.6 months)

Oldest bred rat	ZOF Chucky (deceased at 2 years, 11 months, 24 days)

Death causes statistics

Primary death causes by decreasing frequency

25 %	Other
25 %	Respiratory
18.75 %	Old age, natural death (from 24 month old minimum)
12.5 %	Unknown cause
12.5 %	Accidents, traumas, poisonings
6.25 %	Eye, ear, mouth, face

Secondary death causes by decreasing frequency

25 %	Undetermined tumor (affected organ unknown)
18.75 %	*Old age, natural death (from 24 month old minimum)
12.5 %	Undetermined cause (known date)
12.5 %	Bronchitis, pneumonia
12.5 %	*Respiratory
6.25 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
6.25 %	Domestic accident (crush, door...)
6.25 %	Zymbal gland tumor

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	16/07/2014	PRS Perla	ZOF hannibal	9
✓	24/07/2013	ZOF Samara	DM7 Flocon	1
✓	06/10/2012	IND Carrie Bradshaw	IND Mr Edward	9
✓	17/05/2012	LCN Ébène	Unknown	1
✓	18/03/2012	LCN Ébène	Unknown	11
✓	08/02/2012	IND Lily	IND négro	12

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	MIL57238M	ZOF	Neon †		03/05/2022	15 mo	Bronchitis, pneumonia	♂
♺	2BK58870F	ZOF	Jupiter		16/03/2023	20 mo	– alive –	♀
✓	ZOF29261F	ZOF	Elvire †	Erymanthe	08/02/2012	20 mo	Zymbal gland tumor	♀
✓	MIL54854F	ZOF	Milky Way †		02/12/2020	23 mo	Veterinary accident	♀
✓	HKM53603F	ZOF	Lilake †		18/12/2019	32 mo	Old age, natural death	♀
✓	AR455240M	ZOF	MALOW de L'arbre à Rats †	Malow	04/02/2021	11 mo	Respiratory	♂
✓	AR455403M	ZOF	PONGO de L'arbre à Rats	PONGO	29/11/2020	48 mo	– alive –	♂
✓	HKM53605F	ZOF	Lamia †		18/12/2019	13 mo	Undetermined tumor	♀
✓	ZOF32566M	ZOF	Origami †	Freddy	06/10/2012	25 mo	Bronchitis, pneumonia	♂
✓	ZOF31506F	ZOF	Addison †	Addison Montgomery	18/03/2012	– ?? –	No information	♀