MEZ – Max et ses zanimos  ☾

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Statistics

Breeding statistics

Breeding activity period	2007–2013 (6 years, 3 months)

Declared litters	23 litters, 62 pups
⨽ internal (born in the rattery)	⨽ 17 litters, 44 pups
⨽ external (other contributed litters)	⨽ 6 litters, 18 pups

All rat records	54 rats
⨽ females	⨽ 34 females (63 %)
⨽ males	⨽ 20 males (37 %)

Litter statistics

Average mother age	243 days (8 months)
Average father age	391 days (12.8 months)
Average litter size	2.7 pups per litter
Average sex ratio	0.588 (about 17 females for 10 males)

Lifespan statistics

Bred rats recorded as deceased	36 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 12 rats (33.3 %)
⨽ presumed dead	⨽ 24 rats (66.7 %)

Average lifespan of bred rats	23.8 months (♀: 24.7 months – ♂: 22.6 months)
⨽ infant mortality excluded	⨽ 23.8 months (♀: 24.7 months – ♂: 22.6 months)
⨽ accidents excluded	⨽ 25.1 months (♀: 27.2 months – ♂: 22.6 months)

Oldest bred rat	MEZ Astride (deceased at 3 years, 11 months, 26 days)

Death causes statistics

Primary death causes by decreasing frequency

25 %	Unknown cause
25 %	Other
16.67 %	Old age, natural death (from 24 month old minimum)
8.33 %	Cardiovascular
8.33 %	Respiratory
8.33 %	Accidents, traumas, poisonings
8.33 %	Neurological (brain, spinal cords, nerves)

Secondary death causes by decreasing frequency

25 %	Undetermined cause (known date)
16.67 %	*Old age, natural death (from 24 month old minimum)
8.33 %	Heart failure, valvular disease
8.33 %	Virus, epidemic outbreak, immune deficiency (SDA, Sendai, Tyzzer...)
8.33 %	Fights, injuries, serious bites, subsequent hemorrhage (excluding abnormal hemorrhage)
8.33 %	Stroke
8.33 %	Undetermined tumor (affected organ unknown)
8.33 %	*Respiratory
8.33 %	*Other

Related entries

Last contributed litters

See all

State	Birth date	Dam	Sire	Size	Actions
✓	06/06/2013	MEZ Fleur	MEZ Jean	1
✓	12/10/2012	MEZ Shafouine	MEZ Bouddha	2
✓	25/06/2012	RYD Ginger	RNR-MEZ Gargouille	1
✓	21/03/2012	RYD Ginger	MEZ Tibère	6
✓	27/08/2011	MEZ Margoulette	MEZ Valentin	1
✓	08/07/2011	MEZ Fantasia	MEZ Petit pois	1
✓	05/07/2011	RNR-MEZ Spouk	MEZ Valentin	10
✓	10/06/2011	RNR-MEZ Etoile d'araignée	RB. harley	1
✓	11/05/2011	VAN Angie	IND Coup de Foudre	1
✓	25/04/2011	RB. Yuby	RNR Sliman	3

Recently modified rats

See all

State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	MEZ26413M	MEZ	Valentin †		14/02/2010	30 mo	Old age, natural death	♂
✓	MEZ20820F	MEZ	Malone †		21/03/2010	21 mo	Heart failure, etc.	♀
✓	MEZ22211M	MEZ	Hourson †		22/09/2009	– ?? –	No information	♂
✓	MEZ22524M	MEZ	Clever †	Clev-Clev'	12/02/2007	32 mo	Other	♂
✓	MEZ25997F	MEZ	Waffle †		01/12/2010	– ?? –	No information	♀
✓	MEZ23911M	MEZ	Patte molle †		12/12/2010	15 mo	Undetermined cause	♂
✓	MEZ26508M	MEZ	Petit pois †		12/12/2010	– ?? –	No information	♂
✓	MEZ20817F	MEZ	Huitre †		22/09/2009	30 mo	Undetermined cause	♀
✓	MEZ29790F	MEZ	Valentine †		21/03/2012	15 mo	Stroke	♀
✓	MEZ29776M	MEZ	Tibère †		13/03/2011	– ?? –	No information	♂