MSA – Raterie des MascaRats  ☾

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Statistics

Breeding statistics

Breeding activity period	2011–2017 (5 years, 8 months)

Declared litters	5 litters, 43 pups
⨽ internal (born in the rattery)	⨽ 4 litters, 30 pups
⨽ external (other contributed litters)	⨽ 1 litter, 13 pups

All rat records	43 rats
⨽ females	⨽ 15 females (34.9 %)
⨽ males	⨽ 28 males (65.1 %)

Litter statistics

Average mother age	192 days (6.3 months)
Average father age	642 days (21.1 months)
Average litter size	8.6 pups per litter
Average sex ratio	1.867 (about 15 males for 8 females)

Lifespan statistics

Bred rats recorded as deceased	30 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 15 rats (50 %)
⨽ presumed dead	⨽ 15 rats (50 %)

Average lifespan of bred rats	21.9 months (♀: 18.8 months – ♂: 23.5 months)
⨽ infant mortality excluded	⨽ 21.9 months (♀: 18.8 months – ♂: 23.5 months)
⨽ accidents excluded	⨽ 22.8 months (♀: 18.8 months – ♂: 25 months)

Oldest bred rat	MSA-RDN Coco Crumble (deceased at 2 years, 6 months, 29 days)

Death causes statistics

Primary death causes by decreasing frequency

66.67 %	Other
13.33 %	Old age, natural death (from 24 month old minimum)
6.67 %	Unknown cause
6.67 %	Accidents, traumas, poisonings
6.67 %	Reproductive system

Secondary death causes by decreasing frequency

40 %	Undetermined tumor (affected organ unknown)
20 %	Undetermined infection or abscess
13.33 %	*Old age, natural death (from 24 month old minimum)
6.67 %	Undetermined cause (known date)
6.67 %	Domestic accident (crush, door...)
6.67 %	Complications of gestation or parturition
6.67 %	*Other

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	18/05/2017	PDD Ernestine	APS Beetlejuice	13
✓	23/01/2014	MSA-RDN Fresa Fresca	ETR Barnabas of Collinwood	7
✓	10/04/2013	ETR Trucula BonBon	PKR-RDN Brat'ac	12
✓	05/09/2011	IND Spit	Unknown	3
✓	23/08/2011	IND Down	Unknown	8

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	MSA35072M	MSA-RDN	Lucian †	BlueBerry Champagne	10/04/2013	26 mo	Undetermined tumor	♂
✓	MSA35486F	MSA-RDN	Cranberry Bliss †		10/04/2013	10 mo	Other	♀
✓	MSA35063M	MSA-RDN	Coco Crumble †		10/04/2013	31 mo	Undetermined tumor	♂
✓	MSA35068M	MSA-RDN	Til'c †	Fruity Sky	10/04/2013	22 mo	Undetermined tumor	♂
✓	MSA35069M	MSA-RDN	Jekyll †	Espresso Buttercream	10/04/2013	30 mo	Old age, natural death	♂
✓	MSA35071M	MSA-RDN	Kenzo †	Marshmallow Frosting	10/04/2013	26 mo	Undetermined infection or abscess	♂
✓	MSA35070M	MSA-RDN	Hyde †	Earl Grey Muffin	10/04/2013	29 mo	Old age, natural death	♂
✓	MSA35064M	MSA-RDN	Chunky Hubby †		10/04/2013	22 mo	Undetermined infection or abscess	♂
✓	MSA35066F	MSA-RDN	Siloé †	Sweet Cherry Pie	10/04/2013	22 mo	Undetermined tumor	♀
✓	MSA35067F	MSA-RDN	Sélénée †	Vanilla Pastry Cream	10/04/2013	26 mo	Undetermined tumor	♀