Histopathological, ultrastructural and molecular examination of Sarcocystis spp. in sheep of Mashhad area, Khorasan Razavi province, Iran

This study aimed to determine and identify Sarcocystis spp.infection in sheep of Mashhad city, Iran.From October 2018 to May 2019, the entire esophagus and diaphragm from 100 slaughtered sheep were collected from the Mashhad abattoir.Initially, samples were inspected by the naked eye for the presence of macrocysts.Also, all samples Glass Dining Tab

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Optical Zitterbewegung effect in arrays of helical waveguides

Owing to its topological properties and band collapse, Floquet helical photonic lattices have gained increasing attention as a purely classical setting to realize the optical analogues of a wide variety of Turmeric quantum phenomena.We demonstrate both theoretically and numerically that light propagation in an appropriately designed helical superla

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Colemanus keeleyorum (Braconidae, Ichneutinae s. l.): a new genus and species of Eocene wasp from the Green River Formation of western North America

A new genus and species of Ichneutinae s.l., Colemanus keeleyorum Fisher, is described Default from the Eocene Green River Formation in Colorado, USA.Colemanus was placed on a phylogenetic hypothesis using morphological data.Using a parsimony criterion, Colemanus is placed within Proteropini (Ichneutinae s.l.).Reconstructions of well-preserved regi

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