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	251 rats (83.7 % of recorded bred rats)
⨽ declared with known date	⨽ 131 rats (52.2 %)
⨽ presumed dead	⨽ 120 rats (47.8 %)

Average lifespan of bred rats	23.7 months (♀: 25 months – ♂: 22.1 months)
⨽ infant mortality excluded	⨽ 24.2 months (♀: 25.4 months – ♂: 22.9 months)
⨽ accidents excluded	⨽ 24.6 months (♀: 25.4 months – ♂: 23.6 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

37.4 %	Old age, natural death (from 24 month old minimum)
17.56 %	Other
14.5 %	Unknown cause
12.21 %	Respiratory
5.34 %	Neurological (brain, spinal cords, nerves)
3.05 %	Digestive
2.29 %	Eye, ear, mouth, face
2.29 %	Reproductive system
2.29 %	Infant mortality (up to 6 week old)
1.53 %	Accidents, traumas, poisonings
0.76 %	Urinary system (kidney, bladder)
0.76 %	Cardiovascular

Secondary death causes by decreasing frequency

37.4 %	*Old age, natural death (from 24 month old minimum)
14.5 %	Undetermined cause (known date)
10.69 %	Undetermined tumor (affected organ unknown)
6.11 %	Bronchitis, pneumonia
4.58 %	*Respiratory
3.82 %	*Other
3.05 %	Undetermined infection or abscess
3.05 %	Stroke
2.29 %	Mammary tumor
1.53 %	Domestic accident (crush, door...)
1.53 %	*Infant mortality (up to 6 week old)
0.76 %	Other digestive trouble
0.76 %	Digestive tumor (stomach, liver, pancreas, intestines...)
0.76 %	Stillborn
0.76 %	Tooth abscess
0.76 %	Epilepsy
0.76 %	Intestinal obstruction (excluding megacolon)
0.76 %	Hereditary megacolon
0.76 %	Other respiratory trouble
0.76 %	Facial tumor (excluding Zymbal tumor)
0.76 %	Heart failure, valvular disease
0.76 %	Lung tumor
0.76 %	Other neurological trouble
0.76 %	Dental malocclusion
0.76 %	*Neurological (brain, spinal cords, nerves)
0.76 %	*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
✓	ARK58350M	ARK	Callaghan †	Calvann	06/05/2023	28 mo	Other neurological trouble	♂
✓	ARK58882M	ARK	Guimauve	Lenti Steuplé	16/12/2023	22 mo	– alive –	♂
✓	ARK58887M	ARK	Matthew †	Faël Nadal	16/12/2023	13 mo	Undetermined cause	♂
✓	ARK58349M	ARK	Dagmar †		06/05/2023	26 mo	Lung tumor	♂
✓	ARK58883M	ARK	Lucifer †	Yan Gosling	16/12/2023	18 mo	Digestive tumor	♂
✓	ARK57418F	ARK	P!nk Piknik †	Panic! At The Disco	27/05/2022	33 mo	Old age, natural death	♀
✓	ARK56831F	ARK	Atouille †	Landes de Pierre	17/02/2022	34 mo	Mammary tumor	♀
✓	ARK56830F	ARK	Le Prix du Silence †	Finsternis	17/02/2022	33 mo	Facial tumor	♀
✓	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	♀