ARIAN embryonic mortality has long been a subject of biological interest. It is also a problem oœ obvious economic importance. The total embryonic mortality of domestic fowl, Gallus gallus, has been progressively increasing for some time. Less than 30 years ago, when flocks were small and kept at large, the embryonic death rate rarely exceeded i0 per cent. As simple and primitive methods of pou...

As a result of the study, new knowledge was obtained for first time about effect FXI locus polymorphism on quality reproduction in dairy cattle, degree influence frequency development pathologies reproductive organs, their clinical manifestation individuals - carriers anomaly and healthy animals established. The embryonic postembryonic mortality, condition safety newborn calves comparison with ...

Most Lophiiformes including Lophius species are considered to spawn egg masses called an “egg veil” or ribbon” composed of numerous mucoid chambers. However, eggs have been rarely collected in the field and thus little is known about their biological features. Here we examined embryonic development litulon also effects water temperature on from veils field. Embryonic was observed late cleavage ...

This study was conducted in two steps to determine the effects of in ovo injection of zinc acetate (ZAC) on some gene expression associated with embryonic growth and development, and with growth and carcass characteristics of the resultant chicks. In the first step the effect of in ovo injectionofZAC on the expression of insulin-like growth factors (IGFs:IGF-I and IGF-I), myog...

The purpose of this review is to summarize bacterial, fungal, protozoan, and viral causes of reproductive dysgenesis in cattle, sheep, goats, pigs, horses, dogs, and cats. The clinical presentations of disease due to reproductive pathogens are emphasized, with a focus on assisting development of complete lists of causes that result in abortion and infertility in these species. Clinicians are en...

Background DOX is a powerful chemotherapeutic agent used in the treatment of solid tumors and malignant hematological diseases. However, its cardiac toxicity limits the clinical usefulness of this drug. Previous reports have shown Corticosteroids induce a cytoprotective effect on cardiomyocytes. Mouse transgenic embryonic stem cell-derived pure cardiomyocytes may be considered as a model for a...

The present study was carried out with the aim of determining the effects of storage temperature and storage position on embryonic mortalities in ostrich eggs. A total of 229 ostrich eggs was collected from two commercial ostrich farms. The effects of storage temperature on embryonic mortality differed. Embryonic deaths (totalled for early, medium and late incubation) were determined at respect...

Embryonic mortality (EM) has a substantial impact on the fertility of domestic animals. Most of the embryonic losses occur during the first days after fertilization and during the process of implantation. Causes of EM can be divided into infectious and non-infectious categories. Primary attention has often been given to infectious agents but non-infectious causes probably account for 70% or mor...