نتایج جستجو برای: day dry periods mean days to first postpartum ovulation were 279
تعداد نتایج: 11012041 فیلتر نتایج به سال:
Reduced Dry Periods and Varying Prepartum Diets Alter Postpartum Ovulation and Reproductive Measures
The study was carried out to evaluate the effect of restricting the ewe-lamb contact on the length of postpartum anestrous. We used 28 adult Pelibuey sheep and their young. One day after birth, females were randomly assigned to one of two testing groups. Restricted Suckling to 17 hours per day (RS, n = 17 sheep, n = 21 lambs), separation of ewes from lambs for 7 h / day (8:00 to 15:00 h). Unres...
The objective was to determine whether the suckling-induced delay in return to estrus postpartum could be explained by changes in hypothalamic LHRH content or ability of the pituitary to release LH and FSH in response to LHRH or 59 mM K+ in vitro. In addition, serum concentrations of several other hormones were measured. Nine Holstein cows were suckled ad libitum by two calves and milked by mac...
The relationships between energy balance, milk production and ovulation in postpartum Holstein cows.
Energy balance and serum progesterone concentrations were monitored during early lactation in a group of high producing Holstein cows. The postpartum interval to normal ovulation averaged 36 +/- 6 days (range 6 to 83 days). Average energy balance during the first 20 days of lactation (cumulative daily calculated energy balance divided by days in milk) was inversely related to days to normal ovu...
this study investigated the effects of planning on second-language written production with regard to task type. the participants were 75 iranian learners of english as a foreign language attending a private foreign language institution. they were asked to complete two different types of writing tasks (expository writing task and argumentative writing task) in different planned conditions (indiv...
objectives to determine the effectiveness of slow-stroke back massage on the anxiety levels of primiparous mothers in the first days after delivery. materials and methods this single-blind controlled clinical trial consisted of 100 primiparous mothers with normal deliveries. the mothers were randomly allocated to interventional (n = 50) or control (n = 50) groups using binary blocks. both group...
the current study examined iranian undergraduate efl students’ willingness to communicate with regard to their vocabulary knowledge. in general, participants were somewhat willing to communicate in english. the total mean score of 730 university students’ perception of willing to communicate was 83.53 out of 135. results, regarding four parts of willingness to communicate, revealed that part...
the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...
sange siyah dam is located two kilometers down the kabod khani village. the environ of ghorrve city in kurdestan province. this is an clay core dam. in this dam instrumentation is performed in three section and consist of electrical piezometers, total pressure cells, settlement cells and so on. the main objective of instrumentation is to control the behavior of dam body and foundation, end else...
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