Excellent reviews of cattle breed comparisons or breed-cross comparisons have been previously reported by Franke (1980), Long (1980), and Marshall (1994). However, these reviews do not contain information on the calving ease, performance, carcass characteristics, or beef palatability of crossbred progeny of Holstein dams sired by different beef breeds. In many countries dairy females are common...

Clinical manifestation of the disease caused by chicken anaemia virus (CAV) occurs when chicks are vertically contaminated or before second week life. CAV control is based on vaccination broiler breeders in order to promote progeny protection through maternal antibodies. This work aims evaluate, under field conditions, antibody title commercial at 28, 48, and 68 weeks age, rate transference pro...

We tested a critical assumption of sexual dialectics theory (Gowaty 1997, Feminism and Evolutionary Biology, Chapman & Hall) using house mice, Mus musculus. We asked if female house mice accrue viability benefits for their offspring when they mate with males they prefer versus with males they do not prefer. Our experiment was designed to eliminate or control other mechanisms of reproductive com...