RZL – Raterie les zoulous  ☾

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Statistics

Breeding statistics

Breeding activity period	2015–2019 (4 years, 1 month)

Declared litters	5 litters, 39 pups
⨽ internal (born in the rattery)	⨽ 5 litters, 39 pups
⨽ external (other contributed litters)	⨽ 0 litter, no pup

All rat records	39 rats
⨽ females	⨽ 19 females (48.7 %)
⨽ males	⨽ 20 males (51.3 %)

Litter statistics

Average mother age	243 days (8 months)
Average father age	546 days (17.9 months)
Average litter size	7.8 pups per litter
Average sex ratio	1.053 (about 1 male for 1 female)

Lifespan statistics

Bred rats recorded as deceased	39 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 20 rats (51.3 %)
⨽ presumed dead	⨽ 19 rats (48.7 %)

Average lifespan of bred rats	14.2 months (♀: 14.7 months – ♂: 13.8 months)
⨽ infant mortality excluded	⨽ 23.7 months (♀: 24.5 months – ♂: 23 months)
⨽ accidents excluded	⨽ 23.7 months (♀: 24.5 months – ♂: 23 months)

Oldest bred rat	RZL Matcha (deceased at 2 years, 7 months, 26 days)

Death causes statistics

Primary death causes by decreasing frequency

40 %	Infant mortality (up to 6 week old)
25 %	Other
20 %	Respiratory
5 %	Neurological (brain, spinal cords, nerves)
5 %	Unknown cause
5 %	Old age, natural death (from 24 month old minimum)

Secondary death causes by decreasing frequency

20 %	Stillborn
20 %	Lack of milk
15 %	*Respiratory
15 %	*Other
5 %	Undetermined tumor (affected organ unknown)
5 %	Bronchitis, pneumonia
5 %	Undetermined cause (known date)
5 %	Undetermined infection or abscess
5 %	*Neurological (brain, spinal cords, nerves)
5 %	*Old age, natural death (from 24 month old minimum)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	27/09/2019	IND madjine	RSK Nilfgaard	11
✓	08/06/2017	RZL Shani	CHL Ulrik	2
✓	29/03/2017	RZL Shani	CHL Ulrik	9
✓	30/06/2016	CHL Illya	IND Iron	4
✓	04/08/2015	IND Lapsang	INC Zéphir	13

Recently modified rats

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State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	RZL49105F	RZL-PTB	† †		29/03/2017	0 mo	Lack of milk	♀
✓	RZL49104M	RZL-PTB	† †		29/03/2017	0 mo	Lack of milk	♂
✓	RZL49103M	RZL-PTB	† †		29/03/2017	0 mo	Lack of milk	♂
✓	RZL53214F	RZL	Yumi †	GAÏA	27/09/2019	26 mo	Neurological	♀
✓	RZL53218F	RZL	Caldera †	Ch'aska	27/09/2019	18 mo	Bronchitis, pneumonia	♀
✓	RZL53219M	RZL	Tengri †		27/09/2019	21 mo	Undetermined cause	♂
✓	RZL53220M	RZL	Tao †		27/09/2019	25 mo	Undetermined infection or abscess	♂
✓	RZL53221M	RZL	Fujin †		27/09/2019	25 mo	Old age, natural death	♂
✓	RZL53224M	RZL	Shui †	Mr Shelbi	27/09/2019	25 mo	Respiratory	♂
✓	RZL53215F	RZL	Cérès †	petit coeur	27/09/2019	– ?? –	No information	♀