[Relationship between reproduction and the presence of microorganisms in the external os of the cervix in the cow].
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Biomedical subjects
Publications and source records attributed to P Guay.
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Serum and uterine secretions Na, K, Ca, Mg and P were studied in 15 normally reproducing and in 15 repeat-breeder cows. No cyclical variations were noted for these elements in the serum whereas the normal group showed cyclical and significant K, Mg and P variations (P <0.05) in the uterine secretions. The concentration of the studied uterine elements, with the exception of P, correlated with the concentration of their homologue in the serum at different stages of the cycle. It is believed that the concentration of serum Na, K, Mg and Ca maintains the intrauterine concentrations at the physiological level for the survival of the gametes and the embryo. Significant differences in the uterine concentrations of Na, K and P were noted between the groups at different stages of the cycle. These various concentrations as well as the nonsignificant variations of the uterine secretions might explain the infertility in the abnormal group.
Exocervical samplings of 57 cows' genital secretions (30 normal reproducing and 27 repeat breeder cows) were studied during estrus. An attempt has been made to detect the following electrolytes: A1, Ca, Co, Cu, Fe, K, Mg, Mn, Na and Zn in these secretions. Ca, K, Mg and Na were found. No significant difference is noted in the Ca, K and Mg concentration (P>0.05) between the two groups, whereas a highly significant difference (P<0.001) in exocervical Na concentration has been measured between these groups.
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