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	51 rats
⨽ females	⨽ 27 females (52.9 %)
⨽ males	⨽ 24 males (47.1 %)

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	0.889 (about 9 females for 8 males)

Lifespan statistics

Bred rats recorded as deceased	40 rats (95.2 % 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 %	Accidents, traumas, poisonings
12.5 %	Unknown cause
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 %	Bronchitis, pneumonia
12.5 %	Undetermined cause (known date)
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
♺	2BK58870F	ZOF	Jupiter		16/03/2023	16 mo	– alive –	♀
✓	ZOF29261F	ZOF	Elvire †	Erymanthe	08/02/2012	20 mo	Zymbal gland tumor	♀
♺	MIL54653F	ZOF-LPM	Bonnie †		08/05/2019	48 mo	Undetermined tumor	♀
✓	MIL57238M	ZOF	Neon †		03/05/2022	15 mo	Bronchitis, pneumonia	♂
✓	MIL57587F	ZOF	Alma		01/12/2021	31 mo	– alive –	♀
✓	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	43 mo	– alive –	♂
✓	HKM53605F	ZOF	Lamia †		18/12/2019	13 mo	Undetermined tumor	♀