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Browsing Anatomy and Physiology by Subject "Ostrich (Struthio camelus)"
Now showing items 1-7 of 7
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(Wiley, 2017-09)A specialized region of the bill tip characterized by a complex arrangement of mechanoreceptors and referred to as a bill tip organ, has been identified in numerous avians. A bill tip organ was initially inferred in kiwi ...
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(University of Pretoria, 2013)This study describes, on a comparative basis, the morphology of mechanical (the linguo-laryngeal apparatus) and sensory (Herbst corpuscles and taste buds) specialisations in the upper digestive tract (bill and oropharynx) ...
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(Elsevier, 2014-11)Commercial ostrich farming is constrained by the absence of a formal animal recordingand evaluation scheme as well as by current farming practices. Artificial insemination mayhave an important role in overcoming these ...
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(Springer, 2020-09)The study evaluated the effect of time of the year in which changes in photoperiod occurs on ostrich semen characteristics and male libido. Semen was collected for 5 days before, on and 5 days after winter solstice (21 ...
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(Wiley, 2020-04)This study describes the persistence of an embryonal structure through to sub‐adulthood in the ostrich and emu. Mandibles from sub‐adult ostrich and emu were subjected to special staining, light microscopy and dissected ...
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(CSIRO Publishing, 2019)Sperm macrocephaly syndrome (SMS) is characterised by a high percentage of spermatozoa with enlarged heads and multiple tails, and is related to infertility. Although this multiple sperm defect has been described in other ...
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(Springer, 2023-10)Few studies describe the sequence of morphological events that characterize spermiogenesis in birds. In this paper, the clearly observable steps of spermiogenesis are described and illustrated for the first time in a ...
Now showing items 1-7 of 7