The ovulation rate, plasma progesterone and estradiol concentration, and litter size of a local ewe breed kept in a barn vs. those kept under an overhead shelter. - Kuźnicka, Ewa; Rant, Witold; Radzik-Rant, Aurelia; Kunowska-Slósarz, Małgorzata; Balcerak, Marek (Archives Animal Breeding / Archiv Tierzucht, 2016)