Boar sperm encapsulation in barium alginate membranes: mechanical resistance of capsules and spermatozoa kinetics. - D. Vigo(*), M. Faustini, E. Munari, M. Pace, V. Russo, M.L. Torre, L. Maggi, U. Conte, G. Maffeo (International Pig Veterinary Society Congress, 2000)