RLF – Raterie de La Fontaine  ☾

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Statistics

Breeding statistics

Breeding activity period	2007–2023 (15 years, 11 months)

Declared litters	12 litters, 110 pups
⨽ internal (born in the rattery)	⨽ 9 litters, 85 pups
⨽ external (other contributed litters)	⨽ 3 litters, 25 pups

All rat records	114 rats
⨽ females	⨽ 56 females (49.1 %)
⨽ males	⨽ 58 males (50.9 %)

Litter statistics

Average mother age	206 days (6.7 months)
Average father age	536 days (17.6 months)
Average litter size	9.2 pups per litter
Average sex ratio	1.036 (about 1 male for 1 female)

Lifespan statistics

Bred rats recorded as deceased	86 rats (96.6 % of recorded bred rats)
⨽ declared with known date	⨽ 56 rats (65.1 %)
⨽ presumed dead	⨽ 30 rats (34.9 %)

Average lifespan of bred rats	25.7 months (♀: 23.1 months – ♂: 28.1 months)
⨽ infant mortality excluded	⨽ 26.1 months (♀: 23.1 months – ♂: 29.1 months)
⨽ accidents excluded	⨽ 26.9 months (♀: 24.1 months – ♂: 29.4 months)

Oldest bred rat	RLF Oméga (deceased at 3 years, 6 months, 26 days)

Death causes statistics

Primary death causes by decreasing frequency

32.14 %	Old age, natural death (from 24 month old minimum)
30.36 %	Other
10.71 %	Unknown cause
10.71 %	Respiratory
5.36 %	Accidents, traumas, poisonings
3.57 %	Neurological (brain, spinal cords, nerves)
3.57 %	Cardiovascular
1.79 %	Reproductive system
1.79 %	Infant mortality (up to 6 week old)

Secondary death causes by decreasing frequency

32.14 %	*Old age, natural death (from 24 month old minimum)
26.79 %	Undetermined tumor (affected organ unknown)
10.71 %	Undetermined cause (known date)
8.93 %	Bronchitis, pneumonia
3.57 %	Undetermined infection or abscess
3.57 %	Domestic accident (crush, door...)
3.57 %	Stroke
3.57 %	Heart failure, valvular disease
1.79 %	Uterus infection (metritis, pyometra)
1.79 %	Stillborn
1.79 %	Veterinary accident (anesthesia during a minor operation, medical error, etc.)
1.79 %	*Respiratory

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	01/06/2023	IND Astra	IND Kupydon	3
✓	17/05/2010	FAC-RLF Twiki	LEO-PPK Gustin	12
✓	20/02/2010	RLF-MSS Kira	RB. Terence	13
✓	15/02/2010	RDN Shan'auc	RAF-BFC Didjéridoo	13
✓	16/08/2009	FAC-CRB Twister	RLF Kloug de kellogs junior de la fontaine	11
✓	21/07/2009	RLF Sunny	MSS-ABR Zoro	12
✓	21/01/2009	RLF Kazantip	CSB Kaiser	11
✓	02/10/2008	INC Inésis	INC Kimi	1
✓	03/07/2008	PLP Muffin	INC Kimi	4
✓	10/02/2008	RLF kimiko	IND Cheyenne	8

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	RLF19632M	RLF-PAZ	Kirin Thor †	Tiwaz	17/05/2010	20 mo	Bronchitis, pneumonia	♂
✓	RLF58693F	RLF	Kalypso		01/06/2023	13 mo	– alive –	♀
✓	RLF58458F	RLF	Aphrodyte		01/06/2023	13 mo	– alive –	♀
✓	RLF58619F	RLF	Kira		01/06/2023	13 mo	– alive –	♀
✓	RLF19625F	RLF-PAZ	Tanuky †	Oya	17/05/2010	25 mo	Old age, natural death	♀
✓	RLF18292M	RLF-MSS	Lassa †		20/02/2010	34 mo	Old age, natural death	♂
✓	RLF19628F	RLF-PAZ	Baby doll †	Cliodhna	17/05/2010	32 mo	Undetermined tumor	♀
✓	RLF19623F	RLF-PAZ	Zorya †	Oshun	17/05/2010	33 mo	Undetermined tumor	♀
✓	RLF7973M	RLF	Dartagnan †		15/03/2006	– ?? –	No information	♂
✓	RLF8003F	RLF	Olga †		15/03/2006	21 mo	Undetermined infection or abscess	♀