00691naa a2200205 a 450000100080000000500110000800800410001910000220006024501650008226000090024765000180025665000170027465300140029165300210030570000290032670000180035570000160037370000190038977300770040819506142013-02-22 2012 bl uuuu u00u1 u #d1 aPFEIFER, L. F. M. aEffect of ovulatory follicle diameter and progesterone concentration on the pregnancy rate of fixed-time inseminated lactating beef cows.h[electronic resource] c2012 acorpus luteum aprogesterone aFertility aPost-partum cows1 aLEAL, S. del C. B. de S.1 aSCHNEIDER, A.1 aSCHMITT, E.1 aCORRÊA, M. N. tRevista Brasileira de Zootecnia, Botucatugv.41, n.4, p.1004-1008, 2012.