RLA – Rattery livia  ☾

Statistics

Breeding statistics

Breeding activity period	2017–2021 (4 years, 2 months)

Declared litters	33 litters, 36 pups
⨽ internal (born in the rattery)	⨽ 32 litters, 35 pups
⨽ external (other contributed litters)	⨽ 1 litter, 1 pup

All rat records	64 rats
⨽ females	⨽ 29 females (45.3 %)
⨽ males	⨽ 35 males (54.7 %)

Litter statistics

Average mother age	218 days (7.1 months)
Average father age	443 days (14.5 months)
Average litter size	1.1 pups per litter
Average sex ratio	1.207 (about 6 males for 5 females)

Lifespan statistics

Bred rats recorded as deceased	63 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 62 rats (98.4 %)
⨽ presumed dead	⨽ 1 rat (1.6 %)

Average lifespan of bred rats	29 months (♀: 28.5 months – ♂: 29.4 months)
⨽ infant mortality excluded	⨽ 29 months (♀: 28.5 months – ♂: 29.4 months)
⨽ accidents excluded	⨽ 29.2 months (♀: 28.5 months – ♂: 29.8 months)

Oldest bred rat	RLA annelise (deceased at 3 years, 2 months, 19 days)

Death causes statistics

Primary death causes by decreasing frequency

64.52 %	Old age, natural death (from 24 month old minimum)
14.52 %	Neurological (brain, spinal cords, nerves)
11.29 %	Other
1.61 %	Respiratory
1.61 %	Accidents, traumas, poisonings
1.61 %	Reproductive system
1.61 %	Unknown cause
1.61 %	Digestive
1.61 %	Cardiovascular

Secondary death causes by decreasing frequency

64.52 %	*Old age, natural death (from 24 month old minimum)
12.9 %	Stroke
9.68 %	Undetermined tumor (affected organ unknown)
1.61 %	Domestic accident (crush, door...)
1.61 %	Uterus infection (metritis, pyometra)
1.61 %	Undetermined infection or abscess
1.61 %	Undetermined cause (known date)
1.61 %	Intestinal obstruction (excluding megacolon)
1.61 %	Heart failure, valvular disease
1.61 %	*Neurological (brain, spinal cords, nerves)
1.61 %	*Respiratory

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	25/10/2021	RLA lili	RLA Gunther	1
✓	12/09/2021	RLA pina	RLA jami	2
✓	04/05/2021	RLA lucinda	RLA antoine	1
✓	08/03/2021	RLA leonore	RLA ludwig	1
✓	12/02/2021	RLA Melissa	RLA Neko	1
✓	18/01/2021	RLA rinhe	RLA danny	1
✓	14/11/2020	RLA yolande	RLA lucien	1
✓	15/08/2020	IND lora	RLA franz	2
✓	25/06/2020	RLA Lindia	RLA Fabrice	1
✓	17/06/2020	RLA rachel	RLA léon	1

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	RLA56968M	RLA	David †		25/06/2020	30 mo	Old age, natural death	♂
✓	RLA57209M	RLA	louis †		04/05/2021	34 mo	Old age, natural death	♂
✓	RLA57032M	RLA	antoine †		12/09/2021	26 mo	Undetermined cause	♂
✓	RLA56949F	RLA	Lucie †		25/10/2021	26 mo	Uterus infection	♀
✓	RLA57033M	RLA	hugo †		12/09/2021	23 mo	Intestinal obstruction	♂
✓	RLA56876M	RLA	Richard †		12/02/2021	27 mo	Old age, natural death	♂
✓	RLA56862F	RLA	rachel †		25/12/2019	27 mo	Neurological	♀
✓	RLA56867F	RLA	Melissa †		17/06/2020	24 mo	Respiratory	♀
✓	RLA56875M	RLA	Neko †		14/09/2019	29 mo	Old age, natural death	♂
✓	RLA56906F	RLA	leonore †		15/08/2020	25 mo	Undetermined tumor	♀