the reproductive performance of a dairy herd has a significant effect on the profitability of that herd. common measures of reproductive performance are days to first service, days to conception, calving interval, services per conception, conception rate, estrus detection rate, and pregnancy rate. most cow operations would benefit economically by reducing the number of operational days, decreas...

Antiphospholipid syndrome (APS), characterized by circulating antiphospholipid (aPL) antibodies, is a major cause of early pregnancy failure and placental insufficiency. In this study, we examined whether impaired endometrial differentiation before conception contributes to the high incidence of pregnancy complications in APS. Timed secretory endometrial biopsies were obtained from a cohort of ...

The objective was to review the effects of production stressors on reproductive performance of dairy cows. It has been well documented that genetic selection for milk yield over the last 50 yr has been associated with reduced fertility. In addition to negative associations between yield and conception rate, there is also an association between milk production and expression of behavioral estrus...

striking disparities in access to healthcare and in health outcomes are major characteristics of health across the globe. this inequitable state of global health and how it could be improved has become a highly popularized field of academic study. in a series of articles in this journal the roles of power and politics in global health have been addressed in considerable detail. three points are...

aestheticians and moralphilosophers alike are inclined to the view that there is no particular!j beneficial effect on moral life ofa developed aesthetic sensibility. the usual supporting witness is the pitiless nazi ss officer with a refined tastefor mozart and torture. but though his testimony can hard!j be gainsaid, there is an unnoticed and unwarranted narro1ving of the scope ofaesthetic sen...

forty ewes (3-6 years of age, average weight 41.2 kg)were randomly chosen from the flock of the sheep experiment station of tripoli university. ewes were divided into two groups, control group (c) received untreated barley straw and treatment group (t) received barley straw treated with 10% urea solution applied as 40% (v/w). barley straw was sprayed with molasses when fed to animals. both grou...