... (anti-progesterone-11 alpha- hemisuccinate-BSA) crossreacted 4 pregnane- ... percent and with β-estradiol, estriol and testosterone was less than 0.001 ...
Indian J Physiol Pharmacol 2004; 48 (2) : 245–250
SHORT COMMUNICATION PERIPHERAL PLASMA FSH CONCENTRATION IN RELATION TO EXPRESSION OF ESTRUS IN SAHIWAL CATTLE (BOS INDICUS) S. MONDAL*, B. S. PRAKASH AND P. PALTA National Dairy Research Institute, Karnal – 132 001 ( Received on August 6, 2003 ) Abstract : An experiment was conducted to investigate the changes in peripheral plasma FSH concentrations in relation to expression of estrus in Sahiwal cows. Out of total five estrus, three were accompanied by overt signs whereas rest two were silent estrus. In cows with overt estrus, plasma FSH concentrations during periestrus, early luteal, midluteal and late luteal phase were 1.65 ± 0.34, 1.67 ± 0.21, 1.58 ± 0.18 and 1.69 ± 0.31 ng/ml, respectively and the corresponding values in cows with silent estrus being 0.68 ± 0.39, 0.50 ± 0.12, 0.75 ± 0.13 and 0.46 ± 0.12 ng/ml, respectively. The overall plasma FSH levels in cows that exhibited overt estrus was 1.63 ± 0.82 ng/ml as against 0.64 ± 0.55 ng/ml in silent estrus. It was concluded that FSH levels were higher (P
