Generic origin
Certified

ETR – * Éleveur étranger *

This is a generic prefix. It does not correspond to an actual rattery. Therefore, only limited information is shown.

Statistics

Breeding statistics

Litters recorded under this prefix 515 litters
Rat recorded under this prefix 1,496 rats
 ⨽ females  ⨽ 780 females (52.1 %)
 ⨽ males  ⨽ 716 males (47.9 %)

Lifespan statistics

Rats recorded as deceased 1,398 rats (93.4 % of recorded rats)
 ⨽ declared with known date  ⨽ 707 rats (50.6 %)
 ⨽ presumed dead  ⨽ 691 rats (49.4 %)
Average lifespan of rats with this prefix 25.3 months (♀: 25.3 months – ♂: 25.3 months)
 ⨽ infant mortality excluded  ⨽ 25.3 months (♀: 25.4 months – ♂: 25.3 months)
 ⨽ accidents excluded  ⨽ 25.7 months (♀: 25.8 months – ♂: 25.7 months)