Coccidian (Apicomplexa: Coccidia) parasites have been reported in almost all groups of vertebrates. These parasites may cause serious ecological and pathological effects to their hosts. Reptiles were found the be the host of the parasites of the genera Schellackia and Lankesterella, as these...

Use of planktonic diets especially zooplankton are important in first larval feeding period in fishes. One of the methods for evaluation of larval feeding performance is measuring ingestion rate. In this study, three different live foods, Ceriodaphnia quadrangula, Artemia franciscana nauplii, and...

Mycobacteriosis or fish tuberculosis a chronic or acute, systemic, granulomatous disease in fish that occurs due to nontuberculous mycobacteria and affect all fish species. Families of Cyprinidae, Anabantidae and Characidae appears to be more susceptible to mycobacteriosis. This survey was carried...

A total of 434 birds (210 canaries, 163 greenfinch, 54 finch and 7 parrots) were examined for gastrointestinal parasites. The results indicate that infection by nematode eggs in parrots and greenfinch were 71.4 and 2.4%, respectively. 47.6% of the canaries were infected with Isospora canaria. The...

BACKGROUND: Goldfish (Carassius auratus), a carp fish of Cyprinidae family, is one of the most popular aquarium fishes in Iran and also in the world. Ornamental fish trade, especially Goldfish, is aged over a hundred years. If we believe that any aquatic species or country has its own specific and...

Color is the most important characteristic of the ornamental fish. The use of pigments for changing the color of skin and carcasses has become more prominent in recent years. In the present study, the effects of astaxanthin pigment on skin color and tissue of parrotfish were studied using RGB and...

Ichthyophthirius multifiliis is one of the most important ectoparasites in ornamental fish causing economic losses. Although many different methods are being applied to reduce the prevalence of the disease but it is recommended to adopt preventive methods such as using immune stimulative materials...

BACKGROUND: Avian influenza is one of the most important diseases both economically and from a public health viewpoint. OBJECTIVES: To investigate the serological and molecular prevalence of AI-H9N2 in live bird markets, bird gardens, parks and zoos. METHODS: This cross-sectional study was...

BACKGROUND: Fish are constantly exposed to various pathogens and parasites in particular. Gyrodactylus from Platyhelminthes is an important monogenean ectoparasite that can cause disease and economical losses to cultured, wild, salt and fresh water and ornamental fish. Gyrodactylus appears to be...

This experiment was carried out to evaluate the effect of earthworm (Eisenia fetida) in diet for Oscar fish (Astronotus ocellatus) in a randomized design with three treatments in triplicates using 9 aquarium for 9 weeks. Twenty pieces of Oscar fish with average weight 3.6±0.5 g were stocked in each ...