TY - SER AU - Bringel,B.A. AU - Jacob,J.C.F. AU - Zimmerman,M. AU - Alvarenga,M. AU - Douglas,R.H. TI - Biorelease progesterone LA 150 and its application to overcome effects of premature luteolysis on progesterone levels in mares KW - ÉGUA KW - HORMÔNIO ANIMAL KW - PROGESTERONA KW - CICLO ESTRAL KW - CORPO LÚTEO ER -