OKR – Okya des rats  ☾

Statistics

Breeding statistics

Breeding activity period	2006–2014 (7 years, 9 months)

Declared litters	47 litters, 97 pups
⨽ internal (born in the rattery)	⨽ 47 litters, 97 pups
⨽ external (other contributed litters)	⨽ 0 litter, no pup

All rat records	120 rats
⨽ females	⨽ 70 females (58.3 %)
⨽ males	⨽ 50 males (41.7 %)

Litter statistics

Average mother age	185 days (6.1 months)
Average father age	274 days (9 months)
Average litter size	2.1 pups per litter
Average sex ratio	0.714 (about 7 females for 5 males)

Lifespan statistics

Bred rats recorded as deceased	120 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 40 rats (33.3 %)
⨽ presumed dead	⨽ 80 rats (66.7 %)

Average lifespan of bred rats	22.5 months (♀: 23 months – ♂: 21.4 months)
⨽ infant mortality excluded	⨽ 22.5 months (♀: 23 months – ♂: 21.4 months)
⨽ accidents excluded	⨽ 23 months (♀: 23 months – ♂: 22.9 months)

Oldest bred rat	OKR Gigolo (deceased at 3 years, 2 months)

Death causes statistics

Primary death causes by decreasing frequency

40 %	Old age, natural death (from 24 month old minimum)
27.5 %	Other
20 %	Unknown cause
5 %	Respiratory
5 %	Accidents, traumas, poisonings
2.5 %	Neurological (brain, spinal cords, nerves)

Secondary death causes by decreasing frequency

40 %	*Old age, natural death (from 24 month old minimum)
22.5 %	Undetermined tumor (affected organ unknown)
20 %	Undetermined cause (known date)
5 %	Bronchitis, pneumonia
5 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
5 %	Domestic accident (crush, door...)
2.5 %	Stroke

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	14/05/2014	LAB Ayatt	Unknown	1
✓	02/10/2009	OKR-ZRC Bes	IND Tsume	3
✓	02/10/2009	OKR inconnu	IND Tsume	3
✓	24/04/2009	ZRC Hymy	RB. Coby	1
✓	01/04/2009	ETR Jamee	ETR Bully	1
✓	26/10/2008	INC May-Day	RB. Coby	1
✓	11/10/2008	ETR Ja-Perla	OKR Simon	4
✓	01/09/2008	OKR-RDW Kenya	ETR Bully	1
✓	19/08/2008	ETR Jamee	OKR Azur	2
✓	11/07/2008	OKR Daitona	OKR Jay	2

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	OKR17352F	OKR	Ice †		01/03/2008	– ?? –	No information	♀
♺	OKR19158M	OKR	Mensah †		10/03/2007	– ?? –	No information	♂
✓	OKR23487F	OKR	Bluebell †		25/03/2008	– ?? –	No information	♀
♺	OKR6138F	OKR	Tina †		01/08/1981	– ?? –	No information	♀
♺	OKR6206F	OKR	Korin †		01/08/1981	– ?? –	No information	♀
♺	OKR6149F	OKR	Edlweiss †		01/08/1981	– ?? –	No information	♀
♺	OKR6137M	OKR	Tizi †		01/08/1981	– ?? –	No information	♂
♺	OKR6125M	OKR	oscar †		01/08/1981	– ?? –	No information	♂
♺	OKR6883M	OKR	Racail †		01/08/1981	– ?? –	No information	♂
✓	OKR17353M	OKR	Tabby †		01/03/2008	– ?? –	No information	♂