This breed is an out-bred multipurpose albino rat, known for its calm temperament and ease of handling. Sprague Dawley rats can weigh up to 520 grams and live for about 3.5 years. Their friendly ...

1. Quite unexpectedly, injection of 20–30 mgm. of this substance, in albino rats, produced an orange-yellow pigmentation of the hair. It was then observed that the coloration so produced is ...