Fry can be fed with infusoria, paramecium culture, crushed flakes, and rotifers after they have used all the yolk sack.
12.
His primary areas of research involved the evolutionary development of flatworms, investigations of infusoria and the development of mammary organs in marsupials.
13.
He was one of the first to study microorganisms, and established the classification of several groups of animals in addition to the infusoria, including Linnaeus.
14.
Once the fry hatch and have begun to swim freely, the male is best removed and the fry raised on infusoria or newly hatched brine shrimp.
15.
In the Austrian sector of the Danube, 5 parasite species are registered : infusoria " Trichodina " sp ., Acanthocephalus lucii ".
16.
Sometime in the early 1940s he returned to his microscope, producing the first part of what was supposed to be another 4-volume treatise on the infusoria.
17.
While the fry are likely to develop best if given infusoria as part of their feeding r�gime, it is possible to raise fry to adulthood entirely upon prepared foods.
18.
At this time, microscopic algae were discovered and reported by a different group of workers ( e . g ., Ehrenberg ) studying the Infusoria ( microscopic organisms ).
19.
In 1838, at the meeting of the British Association at Newcastle, he was the sole opponent of Christian Gottfried Ehrenberg, who maintained the polygastric nature of certain infusoria.
20.
O . F . M�ller ( 1773, 1786 ) described eight species of the genus " Vibrio " ( included in Infusoria ), three of which were spirilliforms.
