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 512 litters
Rat recorded under this prefix 1,491 rats
 ⨽ females  ⨽ 776 females (52 %)
 ⨽ males  ⨽ 715 males (48 %)

Lifespan statistics

Rats recorded as deceased 1,394 rats (93.5 % of recorded rats)
 ⨽ declared with known date  ⨽ 706 rats (50.6 %)
 ⨽ presumed dead  ⨽ 688 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)