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 451 litters
Rat recorded under this prefix 1,414 rats
 ⨽ females  ⨽ 737 females (52.1 %)
 ⨽ males  ⨽ 677 males (47.9 %)

Lifespan statistics

Rats recorded as deceased 1,338 rats (94.6 % of recorded rats)
 ⨽ declared with known date  ⨽ 676 rats (50.5 %)
 ⨽ presumed dead  ⨽ 662 rats (49.5 %)
Average lifespan of rats with this prefix 25.3 months (♀: 25.3 months – ♂: 25.3 months)
 ⨽ infant mortality excluded  ⨽ 25.3 months (♀: 25.3 months – ♂: 25.3 months)
 ⨽ accidents excluded  ⨽ 25.8 months (♀: 25.7 months – ♂: 25.8 months)