CRL – Raterie Ca Rat Mel  ☾

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Statistics

Breeding statistics

Breeding activity period	2010–2015 (4 years, 3 months)

Declared litters	7 litters, 55 pups
⨽ internal (born in the rattery)	⨽ 5 litters, 36 pups
⨽ external (other contributed litters)	⨽ 2 litters, 19 pups

All rat records	55 rats
⨽ females	⨽ 23 females (41.8 %)
⨽ males	⨽ 32 males (58.2 %)

Litter statistics

Average mother age	199 days (6.5 months)
Average father age	503 days (16.5 months)
Average litter size	7.9 pups per litter
Average sex ratio	1.391 (about 7 males for 5 females)

Lifespan statistics

Bred rats recorded as deceased	36 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 22 rats (61.1 %)
⨽ presumed dead	⨽ 14 rats (38.9 %)

Average lifespan of bred rats	24 months (♀: 24.8 months – ♂: 23.2 months)
⨽ infant mortality excluded	⨽ 25.1 months (♀: 27.3 months – ♂: 23.2 months)
⨽ accidents excluded	⨽ 25.7 months (♀: 27.3 months – ♂: 24.2 months)

Oldest bred rat	CRL-RZS Kaley (deceased at 3 years, 3 months, 5 days)

Death causes statistics

Primary death causes by decreasing frequency

22.73 %	Old age, natural death (from 24 month old minimum)
22.73 %	Respiratory
18.18 %	Unknown cause
18.18 %	Other
4.55 %	Accidents, traumas, poisonings
4.55 %	Infant mortality (up to 6 week old)
4.55 %	Neurological (brain, spinal cords, nerves)
4.55 %	Cardiovascular

Secondary death causes by decreasing frequency

22.73 %	*Old age, natural death (from 24 month old minimum)
22.73 %	*Respiratory
18.18 %	Undetermined cause (known date)
13.64 %	Undetermined tumor (affected organ unknown)
4.55 %	Heart failure, valvular disease
4.55 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
4.55 %	Undetermined infection or abscess
4.55 %	*Neurological (brain, spinal cords, nerves)
4.55 %	*Infant mortality (up to 6 week old)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	07/02/2015	CRL Shelby	CRL Blue	2
✓	29/06/2014	CRL King Cobra	INC Koda	13
✓	16/05/2014	CRL Pepper Potts	INC Koda	2
✓	12/05/2014	INC Whoopie	Unknown	10
✓	12/11/2013	CRL-RZS Penny	IND Zébulon	11
✓	27/04/2013	IND Pooq	IND-RSD César	8
✓	01/11/2010	IND Dakota	RKL-EKR Skidoo	9

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	CRL42946M	CRL	Blueberry †	Prince Dastan	07/02/2015	27 mo	Undetermined infection or abscess	♂
✓	CRL37459F	CRL	Pepper Potts †		12/11/2013	36 mo	Old age, natural death	♀
✓	CRL37455M	CRL	Thor †		12/11/2013	31 mo	Respiratory	♂
✓	CRL34915F	CRL-RZS	Kaley †		27/04/2013	39 mo	Old age, natural death	♀
✓	CRL40768M	CRL	Eden †	Atom	29/06/2014	23 mo	Respiratory	♂
✓	CRL40219F	CRL	Alaska †	Nalaska	16/05/2014	19 mo	Undetermined tumor	♀
✓	CRL37462F	CRL	King Cobra †		12/11/2013	26 mo	Undetermined tumor	♀
✓	CRL37463F	CRL	Hit Girl †		12/11/2013	23 mo	Undetermined cause	♀
✓	CRL40800F	CRL	Shelby †		29/06/2014	21 mo	Undetermined cause	♀
✓	CRL34916F	CRL-RZS	Kilkenny †		27/04/2013	35 mo	Old age, natural death	♀