RYD – Le-rat-yaume-divin  ☾

Statistics

Breeding statistics

Breeding activity period	2008–2012 (4 years, 2 months)

Declared litters	34 litters, 155 pups
⨽ internal (born in the rattery)	⨽ 30 litters, 147 pups
⨽ external (other contributed litters)	⨽ 4 litters, 8 pups

All rat records	155 rats
⨽ females	⨽ 72 females (46.5 %)
⨽ males	⨽ 83 males (53.5 %)

Litter statistics

Average mother age	258 days (8.5 months)
Average father age	492 days (16.1 months)
Average litter size	4.6 pups per litter
Average sex ratio	1.153 (about 8 males for 7 females)

Lifespan statistics

Bred rats recorded as deceased	147 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 39 rats (26.5 %)
⨽ presumed dead	⨽ 108 rats (73.5 %)

Average lifespan of bred rats	18 months (♀: 18.6 months – ♂: 17.5 months)
⨽ infant mortality excluded	⨽ 18 months (♀: 18.6 months – ♂: 17.5 months)
⨽ accidents excluded	⨽ 18.5 months (♀: 18.6 months – ♂: 18.4 months)

Oldest bred rat	RYD Aston (deceased at 2 years, 9 months, 24 days)

Death causes statistics

Primary death causes by decreasing frequency

35.9 %	Other
15.38 %	Respiratory
12.82 %	Old age, natural death (from 24 month old minimum)
10.26 %	Accidents, traumas, poisonings
10.26 %	Unknown cause
7.69 %	Neurological (brain, spinal cords, nerves)
2.56 %	Reproductive system
2.56 %	Eye, ear, mouth, face
2.56 %	Digestive

Secondary death causes by decreasing frequency

20.51 %	Undetermined tumor (affected organ unknown)
12.82 %	Bronchitis, pneumonia
12.82 %	*Old age, natural death (from 24 month old minimum)
10.26 %	Undetermined cause (known date)
7.69 %	Domestic accident (crush, door...)
7.69 %	*Other
5.13 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
5.13 %	*Neurological (brain, spinal cords, nerves)
2.56 %	Stroke
2.56 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
2.56 %	Complications of gestation or parturition
2.56 %	Undetermined infection or abscess
2.56 %	Otitis, ear abscess
2.56 %	Hereditary megacolon
2.56 %	*Respiratory

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	24/12/2012	RYD Sélène	RYD Woody	2
✓	07/07/2012	INC Enigma	RYD Shetan	3
✓	06/07/2012	RSI Céleste	RYD Avatar	6
✓	11/06/2012	RNR-MEZ Cheeba	RYD Gandalf	2
✓	04/06/2012	RNR Ariana	RB. James	7
✓	31/03/2012	RYD Sexy	RTE Mikado	2
✓	03/03/2012	RYD Sheena	RTE Freky	13
✓	20/01/2012	RTE-RYD Démonia	IND Harry	11
✓	23/11/2011	RYD Xéna	RB. James	1
✓	20/11/2011	RYD Frisouille	RTE Mikado	2

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	RYD28790M	RYD	I Need Money †		09/09/2011	26 mo	Domestic accident	♂
✓	RYD31586M	RYD-YYR	Aku †		04/06/2012	4 mo	Virus, epidemic outbreak, etc.	♂
✓	RYD31487M	RYD	speedy †		09/11/2011	25 mo	Otitis, ear abscess	♂
✓	RYD41947M	RYD	Stark †		24/12/2012	25 mo	Other	♂
✓	RYD33250F	RYD	Athéna †		06/07/2012	– ?? –	No information	♀
✓	RYD27467F	RYD	Frisouille †		03/04/2011	– ?? –	No information	♀
✓	RYD34643F	RYD-YYR	Tatouille †		04/06/2012	28 mo	Other	♀
✓	RYD32701F	RYD-YYR	Kayla †		07/07/2012	26 mo	Old age, natural death	♀
✓	RYD31467F	RYD	Jeanne †		06/07/2012	24 mo	Undetermined cause	♀
✓	RYD32537M	RYD-YYR	Kenseï †		11/06/2012	25 mo	Undetermined tumor	♂