Recently, the attention for ornamental birds has increased significantly. This in turn has been reflected in the growth of their trade, and has become a good source of cash income for owners and traders on a small scale. However, there was no attention for studying the parasites that infecting these categories of birds. The current study aims to study the parasites infecting the ornamental birds particularly, the gastrointestinal parasites that infecting these birds. Since 100 fresh fecal samples of 10 species of birds were collected during period from April to September 2016 from pet-shops at Alexandria Province, Egypt. The current study revealed that, the overall incidence of gastrointestinal parasites was 31% and the infestation was concentrated only in 8 species where cockatiel spp recorded the highest incidence (64.7%) followed by Hamam hazaz (50%) then Fisher rose (44.44%), Zebra spp (40 %), Australly (35 %) finally, 20 % was for Gawa spp. Whereas Redram pet, Canary and Badgy recorded no infestation rate at all. The infestation was restricted in three groups of endoparasites (Protozoa are represented in Eimeria, Trematodes are represented in Echinostoma and Nematodes are represented in Ascaridia and Contracaecum spp).

For the time being, a growing number of exotic reptiles are kept as pets. Pet reptiles are often infected with parasites, some of which are potentially dangerous to humans. A total of 115 samples from reptile species (Wedge-Snouted skink, African Chameleon, Egg eating snake and Egyptian tortoise) were collected for examination. The results indicated that (48.7%) out of 115 infected with internal parasites .A wide range of internal parasites were detected including nematodes, cestodes and protozoa. Wedge-snouted skink showed the highest infection rate where it reached 82.3%, followed by African Chameleon (51.5%), Egg eating snake (23%) and Egyptian tortoise (22.7%). Various parasites were detected including Strongylid eggs, Spirurid eggs, Heterakid eggs, Oxyurid eggs, eggs of mites, Nyctotherus cysts, Cryptosporidium oocysts, Thelandros spp., Parapharyngodon spp., Raillietascarisvarani, Physaloptera tupinambae, Meteterakis saotomensis and Oochoristica spp.These results revealed that a routine parasitological examination should be done in such animals.

A total one hundred (Tilapia spp) Oreochromis spp fishes were collected and examined for the presence of ectoparasites, fifty fishes from each farm and wild environment (River Nile) over a period of five months from February to July 2017. Total infestation rate of ectoparasites from cultured Oreochromis spp (100%) was higher than of those recorded in wild Oreochromis spp (74 %). The ciliated protozoan parasite Trichodina spp was the most abundant ectoparasite recovered from both cultured and wild environment. However, the study revealed two kinds of external parasites, protozoa and monogenetic trematodes. Protozoans showed the most prevalent ectoparasites (100%) in cultured Oreochromis spp and (74%) in wild Orechromis spp, while the monogenetic trematodes recorded (20%) in cultured fishes only while wild fishes showed no infestation. Furthermore, the load of protozoans in cultured Oreochromis differed significantly (P< 0.001) from those of wild Oreochromis spp. Concerning, infestation rate of each parasite, the study uncovered that Trichodina spp, Chilodonella spp, Apiosoma spp and Myxobolus spp lodged the wild Oreochromis spp differ significantly (P < 0.05) from those of cultured type in contrary, the only Ambiphrya spp did not differ significantly (P > 0.05). As well as monogenetic trematodes recovered from cultured fishes were differing significantly (P< 0.001) from those recovered from wild fishes but this difference was applied only on Dactylogyrus spp since the Gyrodactlus spp did not show any significant.