Spermiogenesis in the cattle egret (Bubulcus ibis)
نویسندگان
چکیده
منابع مشابه
Macro and Microscopic Characteristics of the Gast- Rointestinal Tract of the Cattle Egret (bubulcus Ibis)
Address for Correspondence: Dr. Shaymaa Hussein, Department of Cytology and Histology, Fac. Vet.Med. Cairo University, Postal code: 12411, Egypt. Tel: 02/01126760046 E-Mail: [email protected] Introduction: Cattle egret (Bubulcus ibis) is widely spread in Egypt and acts as a reservoir for many diseases. Few study described the anatomical and histological picture of its gastrointestinal ...
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Cattle egret Bubulcus ibis (Linnaeus, 1758) is a highly synanthropic species, which has been benefitted by the increase of livestock in recent decades (Sick, 1997). The species originates from the Old World and spread to all the continents, with the exception of Antarctica (Martínez-Vilalta and Moltis, 1992). Three current concerns of this expansion and population growth are: competition for re...
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Cattle Egrets have a worldwide distribution, feed in proximity to cattle and other domestic animals, and often nest in large colonies in urban woodlots. Over a 3-yr period, nestlings from five Cattle Egret colonies from Central Texas, USA, were surveyed for salmonellosis. Prevalence of infection ranged from 29% to 95%. Seventeen Salmonella enterica subsp. enterica serotypes were isolated, of wh...
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Mercury concentrations in feather, liver, kidney, and muscle tissue of Little egret (n = 8) and Cattle egret (n = 3) from Shadegan Wetlands in south-western Iran were examined. Liver of Little egret had significantly higher mercury compared to Cattle egret (p < 0.05). In addition, mercury values were consistently larger in Little egret when compared to Cattle egret, but mercury levels found in ...
متن کاملNaturally occurring secondary nutritional hyperparathyroidism in cattle egrets (Bubulcus ibis) from central Texas.
Naturally occurring secondary nutritional hyperparathyroidism is described in the nestlings of two colonies of cattle egrets (Bubulcus ibis) from Central Texas (Bryan and San Antonio, Texas, USA). Nestlings from a third colony (Waco, Texas, USA) were collected in a subsequent year for comparison. Birds from the first two colonies consistently had severe osteopenia and associated curving deformi...
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ژورنال
عنوان ژورنال: Tissue and Cell
سال: 2021
ISSN: 0040-8166
DOI: 10.1016/j.tice.2020.101457