A morphological classification of sperm defects in the ostrich (Struthio camelus)

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A morphological classification of sperm defects in the ostrich (Struthio camelus).

Commercial ostrich farming is constrained by the absence of a formal animal recording and evaluation scheme as well as by current farming practices. Artificial insemination may have an important role in overcoming these limitations, but requires a thorough knowledge of sperm morphology. Although the morphological characteristics of normal ostrich sperm have been documented, little information i...

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Gross anatomy of the heart in Ostrich (Struthio camelus)

Today, with emphasis on the mechanical heart and heart transplantation from one human to another andone species to another, a knowledge of the anatomy of the bird’s heart could contribute to theseaccomplishments. Eight male adult ostriches were used to study the heart macroscopically. This studyrevealed that the ostrich heart has some different features from the other birds. In the ostrich, fib...

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Sperm-storage tubules in the vagina of the ostrich (Struthio camelus).

Sperm-storage tubules have been described in a number of species of birds. The presence of these tubules in the Rhea has been mentioned, but no description of these structures in ratites is available. The purpose of this study was to determine the presence and morphology of sperm-storage tubules in the vagina of the ostrich. The study was performed with the use of conventional light- and electr...

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Phylogeographic Patterns in Mitochondrial Dna of the Ostrich (struthio Camelus)

--We assayed restriction-site differences in mitochondrial DNA (mtDNA) within and among populations of the Ostrich (Struthio camelus) throughout much of its African distribution. Little genetic diversity was evident among samples drawn from localities throughout southern Africa (S.c. australis), while deep divisions in the mtDNA gene tree exist between representatives of the eastern (S.c. molyb...

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ژورنال

عنوان ژورنال: Animal Reproduction Science

سال: 2014

ISSN: 0378-4320

DOI: 10.1016/j.anireprosci.2014.09.003