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Ultrastructural characteristics of spermiogenesis in the domestic duck (Anas platyrhynchos)
(2005-10-01)
In this present study was observed that the spermatids underwent morphological differentiation and modifications, which primarily comprised nuclear elongation, during the process of spermiogenesis in the domestic duck. The ...
Ultrastructural characteristics of spermiogenesis in the domestic duck (Anas platyrhynchos)
(2005-10-01)
In this present study was observed that the spermatids underwent morphological differentiation and modifications, which primarily comprised nuclear elongation, during the process of spermiogenesis in the domestic duck. The ...
Uranium metabolism associated with ontogenetic growth of birds: case studies with broilers and ducks
(Scientific Research, 2014)
Cobb broilers and domestic ducks, both one-day-old, were treated using ration doped with 20 ppm of uranyl nitrate. Uranium concentrations in the tibia (μg-U/g-bone) were measured by neutron activation analysis as function ...
Response to experimental vaccination against newcastle disease in domestic ducks (Anas platyrhynchos): Clinical and immunological parameters
(2009-12-01)
Clinical and immunological aspects of vaccinated domestic ducks against Newcastle disease were evaluated. Forty-eight domestic ducks were distributed into four different experimental groups, vaccinated or not against ...
Response to experimental vaccination against newcastle disease in domestic ducks (Anas platyrhynchos): Clinical and immunological parameters
(2009-12-01)
Clinical and immunological aspects of vaccinated domestic ducks against Newcastle disease were evaluated. Forty-eight domestic ducks were distributed into four different experimental groups, vaccinated or not against ...
SEASONAL REPRODUCTIVE CYCLE AND VARIABILITY IN PLASMA TESTOSTERONE LEVELS IN THE DOMESTIC DUCK (Anas platyrhynchos)
(Univ Federal Uberlandia, 2017-01-01)
Morphofunctional gonadal alterations constitute an annual cycle in birds during which four phases can be distinguished in the testes based on histological modifications in the seminiferous epithelium, called quiescence, ...
Comparative Quantitative and Qualitative Attributes of the Surface Respiratory Macrophages in the Domestic Duck and the Rabbit
(Sociedad Chilena de Anatomía, 2011)