Tamme rat pattern
Effen
One color all over with no pattern or white: self in rabbits, cavies, rats and canaries; a tongue or hoof of one even color.
1 Tamme rat breed lists Effen. It is in a club standard for 1 breed.
Breeds whose standards accept Effen
| Breed | AFRMA | NFRS |
|---|---|---|
| Tamme rat | Standaard (“Self”) | Standaard (“Self”) |
Color changes
How Effen can appear or change over an animal's life.
Effenchanges toGezilverd
Vacht · Progressief · from 2 to 12 weeks
Effenchanges toRoan
Vacht · Progressief · from 4 weeks
Gezilverdchanges toEffen
Vacht · Met de leeftijd · from 7 to 78 weeks
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