Mathematical approaches to detect low concentrations in progesterone profiles
نویسندگان
چکیده
منابع مشابه
Mathematical approaches to detect low concentrations in progesterone profiles.
There is a general need for higher objectivity and accuracy in describing the physiological fertility performance of dairy cows. To develop the alternative meaningful starting points for the selection of genetically superior dairy cows, this study focused on the detection of low progesterone concentrations, which are indicative of estrus events. Three mathematical approaches were used: one base...
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Plasma concentrations of 170H-progesterone were determined in 60 normal newborn infants aged between 3 and 36 hours. Mean levels decreased rapidly during this time after removal of the placental contribution of this steroid. A further 70 normal infants, studied between ages 2 and 7 days, showed a mean plasma 170H-progesterone concentration of 3.5 nmol/l (1.2 ng/ml). By comparison, plasma concen...
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ژورنال
عنوان ژورنال: Animal
سال: 2013
ISSN: 1751-7311
DOI: 10.1017/s1751731113001754