Urinary estrogens in pregnant cows
نویسندگان
چکیده
منابع مشابه
The Fecal Excretion of Estrogens by Pregnant Cows*
Recent reports (1) that administered estrogen is removed from the circulation and concentrated in the bile suggest the possibility that considerable quantities of estrogen may leave the body by alimentary elimination. Although many investigations of the urinary excretion of estrogens have been reported, only three reports of the estimation of the fecal excretion of these substances have been fo...
متن کاملMeasurement of urinary estrogens.
In a commentary on the existingmethodology for the determination of urinary estrogens, data are givenfor normalrangesin nonpregnancy and pregnancyurine aswell as the expectedinterferencesdue to medicationand substancesoccurring in high concentrationsin diseasestates. Becauseof the wide rangeof normal excretionvalues,the point is madethat onlyserialanalysesof a patient’sphysiologic course (e.g.,...
متن کاملRadioimmunoassay of total urinary estrogens.
We describe a radioimmunoassay for total estrogens in urine. Estrogens are extracted by adsorption on XAD-2 resin, eluted with methanol, and acid-hydrolyzed. Estrogens are then determined in a diluted aliquot of the hydrolysate. Within-run coefficients of variation for estriol values between 6.0 and 100 micrograms/L were less than 5%; between-run CV was 19.6% at an estriol concentration of 16.8...
متن کاملGetting Anovular Cows Pregnant
I will be using the term anovular in this presentation. This means that a cow is not ovulating. Some people prefer the term anestrus. This means a cow is not showing heat or may not be cycling. We are generally evaluating the ovaries in our studies and so we can accurately tell which cows are ovulating but not showing heat and which cows are not ovulating whether or not they are showing heat. I...
متن کاملAsymptomatic Urinary Tract Infection in Pregnant Women
Background and Objectives: Urinary tract infection is one of the most common bacterial infections in the human population, and more frequent infection during pregnancy. With notice to this point that most of urinary tract infections during pregnancy are asymptomatic, they could lead to serious complications such as prematurity, low-birth weight, hypertension, and higher fetal mortality rates...
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ژورنال
عنوان ژورنال: The Japanese journal of animal reproduction
سال: 1973
ISSN: 0453-0551
DOI: 10.1262/jrd1955.19.33