ARK – Le Domaine des Arkenstones 

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Statistics

Breeding statistics

Breeding activity period	2014–2023 (9 years, 10 months)

Declared litters	40 litters, 376 pups
⨽ internal (born in the rattery)	⨽ 30 litters, 300 pups
⨽ external (other contributed litters)	⨽ 10 litters, 76 pups

All rat records	376 rats
⨽ females	⨽ 193 females (51.3 %)
⨽ males	⨽ 183 males (48.7 %)

Litter statistics

Average mother age	244 days (8 months)
Average father age	531 days (17.4 months)
Average litter size	9.4 pups per litter
Average sex ratio	0.948 (about 1 female for 1 male)

Lifespan statistics

Bred rats recorded as deceased	224 rats (74.7 % of recorded bred rats)
⨽ declared with known date	⨽ 124 rats (55.4 %)
⨽ presumed dead	⨽ 100 rats (44.6 %)

Average lifespan of bred rats	23.5 months (♀: 24.7 months – ♂: 22.2 months)
⨽ infant mortality excluded	⨽ 24.1 months (♀: 25 months – ♂: 23 months)
⨽ accidents excluded	⨽ 24.4 months (♀: 25 months – ♂: 23.7 months)

Oldest bred rat	ARK Orisha Iðunn Helluin (deceased at 3 years, 2 months, 6 days)

Death causes statistics

Primary death causes by decreasing frequency

38.71 %	Old age, natural death (from 24 month old minimum)
18.55 %	Other
14.52 %	Unknown cause
12.1 %	Respiratory
4.84 %	Neurological (brain, spinal cords, nerves)
2.42 %	Infant mortality (up to 6 week old)
2.42 %	Digestive
1.61 %	Accidents, traumas, poisonings
1.61 %	Eye, ear, mouth, face
1.61 %	Reproductive system
0.81 %	Cardiovascular
0.81 %	Urinary system (kidney, bladder)

Secondary death causes by decreasing frequency

38.71 %	*Old age, natural death (from 24 month old minimum)
14.52 %	Undetermined cause (known date)
11.29 %	Undetermined tumor (affected organ unknown)
6.45 %	Bronchitis, pneumonia
4.84 %	*Respiratory
4.03 %	*Other
3.23 %	Undetermined infection or abscess
3.23 %	Stroke
1.61 %	Mammary tumor
1.61 %	Domestic accident (crush, door...)
1.61 %	*Infant mortality (up to 6 week old)
0.81 %	Other respiratory trouble
0.81 %	Heart failure, valvular disease
0.81 %	Dental malocclusion
0.81 %	Other digestive trouble
0.81 %	Stillborn
0.81 %	Tooth abscess
0.81 %	Epilepsy
0.81 %	Intestinal obstruction (excluding megacolon)
0.81 %	Hereditary megacolon
0.81 %	*Neurological (brain, spinal cords, nerves)
0.81 %	*Urinary system (kidney, bladder)

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	16/12/2023	HDL-FAE Morag MacKenzie	Unknown	16
✓	06/05/2023	ARK Monsoon	ARK Klaus	14
✓	30/06/2022	CDC-DNA Coffee Jelly	ARK Klaus	8
✓	27/05/2022	ARK Riley Blue	ALC Atoma	13
✓	17/02/2022	ARK Lollipop Marrubi	ALC Aeon	9
✓	01/11/2021	DEL-LTE Brunehilde la Valkyrie	ARK Urakan Gorria	14
✓	17/07/2021	ARK Ilargi Beltza	PRH Robin-Bézoard	7
✓	20/03/2021	ARK Parfaite Kielyr Erin	ARK Derek Hale	12
✓	12/03/2021	HKM-NAM Tximista Thundersdottir	ARK Medivh	12
✓	13/09/2020	HKM-NAM Tximista Thundersdottir	ARK Yharnam	11

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	ARK57420F	ARK	Monsoon †	My Chemical Romance	27/05/2022	30 mo	Old age, natural death	♀
✓	ARK56835F	ARK	Caoimhe †	Le Ciel Irlandais	17/02/2022	30 mo	Mammary tumor	♀
✓	ARK56834F	ARK	Neige †	Le Prix de la Guerre	17/02/2022	30 mo	Old age, natural death	♀
✓	ARK56833F	ARK	Atine †	Terre Brûlée	17/02/2022	30 mo	Mammary tumor	♀
✓	ARK56836F	ARK	Un goût de meilleur †	Epilepsia Saltatoria	17/02/2022	28 mo	Bronchitis, pneumonia	♀
✓	ARK56828M	ARK	Amaranthe †	Un peu d'enfer	17/02/2022	29 mo	Old age, natural death	♂
✓	ARK58351M	ARK	Moonlight Rendezvous	Joachim	06/05/2023	20 mo	– alive –	♂
✓	ARK55650M	ARK	Babe †	Roussin de la Hague	17/07/2021	34 mo	Undetermined cause	♂
✓	ARK58881M	ARK	Karadoc	Gondin	16/12/2023	12 mo	– alive –	♂
✓	ARK58886M	ARK	Merlin	VeParty	16/12/2023	12 mo	– alive –	♂