WEE – RatLoween  ☾

Statistics

Breeding statistics

Breeding activity period	2013 (one-shot rattery)

Declared litters	1 litter, 11 pups
⨽ internal (born in the rattery)	⨽ 1 litter, 11 pups
⨽ external (other contributed litters)	⨽ 0 litter, no pup

All rat records	11 rats
⨽ females	⨽ 6 females (54.5 %)
⨽ males	⨽ 5 males (45.5 %)

Litter statistics

Average mother age	285 days (9.3 months)
Average father age	482 days (15.8 months)
Average litter size	11 pups per litter
Average sex ratio	0.833 (about 6 females for 5 males)

Lifespan statistics

Bred rats recorded as deceased	11 rats (100 % of recorded bred rats)
⨽ declared with known date	⨽ 10 rats (90.9 %)
⨽ presumed dead	⨽ 1 rat (9.1 %)

Average lifespan of bred rats	20 months (♀: 28.9 months – ♂: 11.2 months)
⨽ infant mortality excluded	⨽ 20 months (♀: 28.9 months – ♂: 11.2 months)
⨽ accidents excluded	⨽ 24.7 months (♀: 28.9 months – ♂: 17.8 months)

Oldest bred rat	WEE-PAZ Morgan Le Fay (deceased at 3 years, 1 month, 15 days)

Death causes statistics

Primary death causes by decreasing frequency

30 %	Other
20 %	Accidents, traumas, poisonings
10 %	Cardiovascular
10 %	Unknown cause
10 %	Digestive
10 %	Urinary system (kidney, bladder)
10 %	Old age, natural death (from 24 month old minimum)

Secondary death causes by decreasing frequency

30 %	Undetermined tumor (affected organ unknown)
20 %	Domestic accident (crush, door...)
10 %	Heart failure, valvular disease
10 %	Undetermined cause (known date)
10 %	Digestive tumor (stomach, liver, pancreas, intestines...)
10 %	*Old age, natural death (from 24 month old minimum)
10 %	*Urinary system (kidney, bladder)

Related entries

Last contributed litters

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State	Birth date	Dam	Sire	Size	Actions
✓	22/11/2013	MMX Fizz	TPX Oshu'Gun	11

Recently modified rats

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State	Identifier	Prefix	Name	Pup Name	Birth	Age	Death cause	Sex	Actions
✓	WEE37802M	WEE-PAZ	Tanannan †		22/11/2013	26 mo	Digestive tumor	♂
✓	WEE37803F	WEE-PAZ	Branwen †		22/11/2013	33 mo	Undetermined tumor	♀
✓	WEE37808F	WEE-PAZ	Morgan Le Fay †	Macha	22/11/2013	37 mo	Old age, natural death	♀
✓	WEE37800M	WEE-PAZ	Belenos †	Maponos	22/11/2013	7 mo	Heart failure, etc.	♂
✓	WEE37801M	WEE-PAZ	Manannan Mac Jean-Rat †	Toutatis	22/11/2013	20 mo	Undetermined cause	♂
✓	WEE37805F	WEE-PAZ	Mórrigan †		22/11/2013	– ?? –	No information	♀
✓	WEE37804F	WEE-PAZ	Brighit Picétou †	Eria	22/11/2013	27 mo	Undetermined tumor	♀
✓	WEE37807F	WEE-PAZ	Epona †	Dana	22/11/2013	27 mo	Undetermined tumor	♀
✓	WEE37806F	WEE-PAZ	Tuulikki †	Aífé	22/11/2013	20 mo	Urinary system	♀
✓	WEE37798M	WEE-PAZ	Pwyll †		22/11/2013	1 mo	Domestic accident	♂