YDT – Yume Detenshi  ☾

Statistics

Breeding statistics

Breeding activity period	2009–2012 (3 years, 2 months)

Declared litters	10 litters, 23 pups
⨽ internal (born in the rattery)	⨽ 8 litters, 16 pups
⨽ external (other contributed litters)	⨽ 2 litters, 7 pups

All rat records	23 rats
⨽ females	⨽ 12 females (52.2 %)
⨽ males	⨽ 11 males (47.8 %)

Litter statistics

Average mother age	233 days (7.7 months)
Average father age	235 days (7.7 months)
Average litter size	2.3 pups per litter
Average sex ratio	0.917 (about 12 females for 11 males)

Lifespan statistics

Bred rats recorded as deceased	16 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 10 rats (62.5 %)
⨽ presumed dead	⨽ 6 rats (37.5 %)

Average lifespan of bred rats	24.3 months (♀: 24.4 months – ♂: 24.2 months)
⨽ infant mortality excluded	⨽ 24.3 months (♀: 24.4 months – ♂: 24.2 months)
⨽ accidents excluded	⨽ 24.3 months (♀: 24.4 months – ♂: 24.2 months)

Oldest bred rat	YDT Nova (deceased at 3 years, 2 months, 19 days)

Death causes statistics

Primary death causes by decreasing frequency

40 %	Old age, natural death (from 24 month old minimum)
20 %	Other
20 %	Neurological (brain, spinal cords, nerves)
10 %	Cardiovascular
10 %	Unknown cause

Secondary death causes by decreasing frequency

40 %	*Old age, natural death (from 24 month old minimum)
20 %	Stroke
10 %	Undetermined infection or abscess
10 %	Heart failure, valvular disease
10 %	Undetermined cause (known date)
10 %	*Other

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	03/09/2012	INC Exhib	INC Nudiste	1
✓	07/04/2012	INC Rukkia	Unknown	1
✓	07/04/2012	YDT Shika	Unknown	1
✓	27/12/2011	INC Rukkia	SOS Nobu	1
✓	16/12/2011	YDT Risa	SOS Nobu	6
✓	29/11/2011	YDT Lovely	YDT Hollow	4
✓	08/04/2011	INC Rukkia	INC Yuki	3
✓	03/01/2011	INC Twixst	YDT Itachi	4
✓	26/10/2009	INC Hinata	YDT Itachi	1
✓	24/06/2009	INC Hinata	Unknown	1

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	YDT24891M	YDT	Inari †		08/04/2011	24 mo	Stroke	♂
✓	YDT24725M	YDT	Hollow †		03/01/2011	24 mo	Stroke	♂
✓	YDT24726M	YDT	Sabia †		03/01/2011	28 mo	Old age, natural death	♂
✓	YDT24893F	YDT	Lovely †		08/04/2011	– ?? –	No information	♀
✓	YDT24894F	YDT	Risa †		08/04/2011	31 mo	Old age, natural death	♀
✓	YDT28486F	YDT-FRT	Bianca †	Manzanna	29/11/2011	29 mo	Old age, natural death	♀
✓	YDT30631F	YDT	Misaki †		07/04/2012	5 mo	Other	♀
✓	YDT24729F	YDT	Nova †		03/01/2011	38 mo	Old age, natural death	♀
✓	YDT24728F	YDT	Ciel †		03/01/2011	18 mo	Undetermined infection or abscess	♀
✓	YDT30632M	YDT	Fripouille †		07/04/2012	– ?? –	No information	♂