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The present study was performed to test fertility in single-ovulating and superovulated dairy heifers after insemination with low dose sex-sorted sperm under field conditions. Some parameters, including the dosage, deposition site and timing, were assessed with the pregnancy rates after artificial insemination (AI). Moreover, the use of oestrus(More)
OBJECTIVES The changes of CSF flow dynamics in idiopathic normal pressure hydrocephalus (iNPH) are not fully elucidated. Most previous studies took the whole cardiac cycle as a unit. In this work, it is divided into systole and diastole phase and compared between iNPH patients and normal elderly and paid special attention to the change of netflow direction.(More)
To improve the activation protocol for in vitro-maturated porcine oocytes after intracytoplasmic sperm injection (ICSI), we examined the combined effect of U0126, a specific inhibitor of mitogen-activated protein kinase kinases, and an electrical pulse on pronuclear formation and developmental competence. Two approaches were tested: (i) 6-h treatment of(More)
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