EPR – Au Pays de Rattlousi 

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Statistics

Breeding statistics

Breeding activity period	2015–2023 (8 years, 6 months)

Declared litters	25 litters, 196 pups
⨽ internal (born in the rattery)	⨽ 25 litters, 196 pups
⨽ external (other contributed litters)	⨽ 0 litter, no pup

All rat records	196 rats
⨽ females	⨽ 121 females (61.7 %)
⨽ males	⨽ 75 males (38.3 %)

Litter statistics

Average mother age	190 days (6.2 months)
Average father age	312 days (10.2 months)
Average litter size	7.8 pups per litter
Average sex ratio	0.62 (about 8 females for 5 males)

Lifespan statistics

Bred rats recorded as deceased	154 rats (78.6 % of recorded bred rats)
⨽ declared with known date	⨽ 122 rats (79.2 %)
⨽ presumed dead	⨽ 32 rats (20.8 %)

Average lifespan of bred rats	21.7 months (♀: 21.2 months – ♂: 22.3 months)
⨽ infant mortality excluded	⨽ 22.4 months (♀: 22.6 months – ♂: 22.3 months)
⨽ accidents excluded	⨽ 23 months (♀: 23.3 months – ♂: 22.7 months)

Oldest bred rat	EPR Pantalaimon (deceased at 3 years, 3 months, 10 days)

Death causes statistics

Primary death causes by decreasing frequency

37.7 %	Other
22.13 %	Old age, natural death (from 48 month old minimum)
15.57 %	Unknown cause
7.38 %	Respiratory
5.74 %	Accidents, traumas, poisonings
3.28 %	Infant mortality (up to 6 week old)
3.28 %	Neurological (brain, spinal cords, nerves)
2.46 %	Urinary system (kidney, bladder)
0.82 %	Digestive
0.82 %	Cardiovascular
0.82 %	Reproductive system

Secondary death causes by decreasing frequency

22.13 %	*Old age, natural death (from 48 month old minimum)
19.67 %	Undetermined tumor (affected organ unknown)
15.57 %	Undetermined cause (known date)
11.48 %	*Other
4.1 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
4.1 %	*Respiratory
3.28 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
3.28 %	Bronchitis, pneumonia
2.46 %	Stroke
2.46 %	*Infant mortality (up to 6 week old)
1.64 %	Renal failure
1.64 %	Domestic accident (crush, door...)
1.64 %	Undetermined infection or abscess
0.82 %	Generalized cancer, leukemia, lymphoma
0.82 %	Stillborn
0.82 %	Intestinal obstruction (excluding megacolon)
0.82 %	Heart failure, valvular disease
0.82 %	Uterus infection (metritis, pyometra)
0.82 %	Pituitary tumor
0.82 %	Other known cause fitting no other category
0.82 %	*Urinary system (kidney, bladder)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	15/11/2023	MIL Sellen	EPR-VIC Sontar	12
✓	17/08/2022	LTE B'Queenie	EPR Koda	9
✓	17/06/2021	MIL Tempete	EPR Gribouille	9
✓	17/07/2020	EPR Kenya	MIL Fang Xin	11
✓	27/02/2020	EPR Vénus	EPR-NMS Perceval	14
✓	23/11/2019	EPR Moana	EPR-NMS Karadoc	15
✓	09/08/2019	RB. Surprise	RB. Nardole	8
✓	19/05/2019	NMS-DTC Octavia	ETR Helvede	14
✓	05/11/2018	RB. Rusty	DTC-IDC Darken Rahl	5
✓	13/09/2017	EPR Folia	EPR Donuts	13

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	EPR53620F	EPR	Hoku †	BipBip	27/02/2020	37 mo	Pituitary tumor	♀
✓	EPR57384F	EPR-VIC	Kandoka		17/08/2022	21 mo	– alive –	♀
✓	EPR58796M	EPR	Anathar	Sram	15/11/2023	6 mo	– alive –	♂
✓	EPR53983M	EPR	Diomèse †		17/07/2020	19 mo	Other known cause fitting no other category	♂
✓	EPR55393F	EPR	Brouillard †	Prisca	17/06/2021	33 mo	Generalized cancer, etc.	♀
✓	EPR58791F	EPR	Brocéliande	Sadida	15/11/2023	6 mo	– alive –	♀
✓	EPR58786F	EPR	Clette	Crâ	15/11/2023	6 mo	– alive –	♀
✓	EPR58788F	EPR	Chance	Féca	15/11/2023	6 mo	– alive –	♀
✓	EPR58789F	EPR	Esperance	Sacrieur	15/11/2023	6 mo	– alive –	♀
✓	EPR58790F	EPR	Tatouille	Pandawa	15/11/2023	6 mo	– alive –	♀