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	375 rats
⨽ females	⨽ 193 females (51.5 %)
⨽ males	⨽ 182 males (48.5 %)

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	0.943 (about 1 female for 1 male)

Lifespan statistics

Bred rats recorded as deceased	217 rats (72.6 % of recorded bred rats)
⨽ declared with known date	⨽ 117 rats (53.9 %)
⨽ presumed dead	⨽ 100 rats (46.1 %)

Average lifespan of bred rats	23.1 months (♀: 24.2 months – ♂: 21.9 months)
⨽ infant mortality excluded	⨽ 23.7 months (♀: 24.7 months – ♂: 22.7 months)
⨽ accidents excluded	⨽ 24.1 months (♀: 24.7 months – ♂: 23.4 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

38.46 %	Old age, natural death (from 48 month old minimum)
19.66 %	Other
14.53 %	Unknown cause
11.97 %	Respiratory
5.13 %	Neurological (brain, spinal cords, nerves)
2.56 %	Infant mortality (up to 6 week old)
2.56 %	Digestive
1.71 %	Accidents, traumas, poisonings
1.71 %	Eye, ear, mouth, face
0.85 %	Cardiovascular
0.85 %	Urinary system (kidney, bladder)

Secondary death causes by decreasing frequency

38.46 %	*Old age, natural death (from 48 month old minimum)
14.53 %	Undetermined cause (known date)
11.97 %	Undetermined tumor (affected organ unknown)
5.98 %	Bronchitis, pneumonia
5.13 %	*Respiratory
4.27 %	*Other
3.42 %	Undetermined infection or abscess
3.42 %	Stroke
1.71 %	Domestic accident (crush, door...)
1.71 %	*Infant mortality (up to 6 week old)
0.85 %	Other respiratory trouble
0.85 %	Dental malocclusion
0.85 %	Heart failure, valvular disease
0.85 %	Other digestive trouble
0.85 %	Stillborn
0.85 %	Tooth abscess
0.85 %	Epilepsy
0.85 %	Intestinal obstruction (excluding megacolon)
0.85 %	Hereditary megacolon
0.85 %	*Neurological (brain, spinal cords, nerves)
0.85 %	*Urinary system (kidney, bladder)

Related entries

Last contributed litters

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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

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State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✗	ARK55650M	ARK	Babe †	Roussin de la Hague	17/07/2021	34 mo	Undetermined cause	♂
✓	ARK58881M	ARK	Karadoc	Gondin	16/12/2023	6 mo	– alive –	♂
✓	ARK58886M	ARK	Merlin	VeParty	16/12/2023	6 mo	– alive –	♂
✓	ARK58884M	ARK	Perceval	Massage des Poubelles	16/12/2023	6 mo	– alive –	♂
✓	ARK54223F	ARK	Alpha K †	Orrona Urdina	13/09/2020	31 mo	Tooth abscess	♀
✓	ARK56829M	ARK	Dark †	L'Église en Granit	17/02/2022	26 mo	Other respiratory trouble	♂
✓	ARK51896M	ARK	Moka †	Shawn James	08/11/2018	4 mo	Other digestive trouble	♂
✓	ARK56834F	ARK	Neige	Le Prix de la Guerre	17/02/2022	28 mo	– alive –	♀
✓	ARK58354F	ARK	Ciara Marquise de la Tronche en Biais †		06/05/2023	9 mo	Dental malocclusion	♀
✓	ARK58891F	ARK	Lila †	Fabian	16/12/2023	3 mo	Bronchitis, pneumonia	♀