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 1,417 rats
 ⨽ females  ⨽ 740 females (52.2 %)
 ⨽ males  ⨽ 677 males (47.8 %)

Lifespan statistics

Rats recorded as deceased 1,342 rats (94.7 % of recorded rats)
 ⨽ declared with known date  ⨽ 678 rats (50.5 %)
 ⨽ presumed dead  ⨽ 664 rats (49.5 %)
Average lifespan of rats with this prefix 25.3 months (♀: 25.2 months – ♂: 25.3 months)
 ⨽ infant mortality excluded  ⨽ 25.3 months (♀: 25.3 months – ♂: 25.3 months)
 ⨽ accidents excluded  ⨽ 25.7 months (♀: 25.7 months – ♂: 25.8 months)