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 516 litters
Rat recorded under this prefix 1,520 rats
 ⨽ females  ⨽ 792 females (52.1 %)
 ⨽ males  ⨽ 728 males (47.9 %)

Lifespan statistics

Rats recorded as deceased 1,458 rats (95.9 % of recorded rats)
 ⨽ declared with known date  ⨽ 728 rats (49.9 %)
 ⨽ presumed dead  ⨽ 730 rats (50.1 %)
Average lifespan of rats with this prefix 25.3 months (♀: 25.4 months – ♂: 25.2 months)
 ⨽ infant mortality excluded  ⨽ 25.3 months (♀: 25.4 months – ♂: 25.2 months)
 ⨽ accidents excluded  ⨽ 25.7 months (♀: 25.8 months – ♂: 25.6 months)