Bilateral luteal maintenance in unilaterally pregnant pigs with infusions of embryonic extracts.

摘要: Thirty unilaterally pregnant gilts with bilateral corpora lutea received infusions three times daily into a surgically isolated, nonpregnant uterine horn from d 12 through 19 after mating. The consisted of either saline alone or embryonic extracts in which were untreated, heat-treated charcoal-absorbed. porcine embryos, membranes and fluids between 16 25 pregnancy. While only 20% the infused none those charcoal-absorbed maintained pregnancy to 19, 100 83% untreated heal-treated extracts, respectively, on 19. Similar treatment effects observed for incidence luteal maintenance. No receiving exhibited However, 67% heated had maintenance Additionally, weights progesterone concentrations adjacent horns not different (P less than .05)