ATR – Les Aristoc Rats  ☾

Statistics

Breeding statistics

Breeding activity period	2008–2013 (4 years, 11 months)

Declared litters	10 litters, 69 pups
⨽ internal (born in the rattery)	⨽ 4 litters, 29 pups
⨽ external (other contributed litters)	⨽ 6 litters, 40 pups

All rat records	69 rats
⨽ females	⨽ 31 females (44.9 %)
⨽ males	⨽ 38 males (55.1 %)

Litter statistics

Average mother age	262 days (8.6 months)
Average father age	495 days (16.2 months)
Average litter size	6.9 pups per litter
Average sex ratio	1.226 (about 11 males for 9 females)

Lifespan statistics

Bred rats recorded as deceased	29 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 23 rats (79.3 %)
⨽ presumed dead	⨽ 6 rats (20.7 %)

Average lifespan of bred rats	25.2 months (♀: 26.5 months – ♂: 24.4 months)
⨽ infant mortality excluded	⨽ 25.2 months (♀: 26.5 months – ♂: 24.4 months)
⨽ accidents excluded	⨽ 25.2 months (♀: 26.5 months – ♂: 24.4 months)

Oldest bred rat	ATR Célia (deceased at 2 years, 10 months, 28 days)

Death causes statistics

Primary death causes by decreasing frequency

56.52 %	Old age, natural death (from 24 month old minimum)
17.39 %	Unknown cause
17.39 %	Other
8.7 %	Respiratory

Secondary death causes by decreasing frequency

56.52 %	*Old age, natural death (from 24 month old minimum)
17.39 %	Undetermined cause (known date)
8.7 %	Undetermined tumor (affected organ unknown)
8.7 %	*Respiratory
4.35 %	Undetermined infection or abscess
4.35 %	*Other

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	27/11/2013	FRG-RAZ Perry	L-L Albus Orion	3
✓	13/07/2013	RPM Dakota	ATR Cody	11
✓	21/05/2013	RAC-RAZ Luce	ATR Cody	3
✓	15/03/2012	PKR-RDN Kotoha	ATR Judah	5
✓	17/05/2011	ATR Célia	IND Sacha	14
✓	16/10/2010	FCB-ATR Jude	FCB Géant	9
✓	23/02/2010	FCB Eurydice	IND-ATR Sylas	14
✓	06/02/2010	FCB Fany	IND-ATR Sylas	8
✓	19/07/2009	ETR Sina	ETR Wizard	1
✓	11/12/2008	RTN Nami	IND Pointu	1

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	ATR37361M	ATR	Wolverine †		21/05/2013	26 mo	Old age, natural death	♂
✓	ATR43776M	ATR-FRG	Kit †		27/11/2013	29 mo	Old age, natural death	♂
✓	ATR40606F	ATR-FRG	Grace †		27/11/2013	26 mo	Undetermined tumor	♀
✓	ATR26352M	ATR	Cody †		17/05/2011	26 mo	Undetermined cause	♂
✓	ATR26355M	ATR	Gabriel †		17/05/2011	27 mo	Respiratory	♂
✓	ATR37359F	ATR	Senshi †		21/05/2013	17 mo	Undetermined cause	♀
✓	ATR37360M	ATR	Jensen †		21/05/2013	20 mo	Undetermined cause	♂
✓	ATR23579F	ATR	Célia †		16/10/2010	35 mo	Old age, natural death	♀
✓	ATR26351F	ATR	Astor †		17/05/2011	28 mo	Old age, natural death	♀
✓	ATR41065F	ATR-FRG	Arya †		27/11/2013	– ?? –	No information	♀