Present situation and problems on nonpopular livestocks [honeybees, minks, ducks]

abeille domestique agricultura agriculture alimentation alimentation des animaux animal animal domestique animal feeding animal production animales animales de caza animals anseriformes arthropode utile aves de caza aves de corral aves domesticas behaviour birds canard carnivore carnivoros comportamiento comportement comportement alimentaire domestic animals domesticated birds ducks feeding feeding habits game game birds gibier honeybees insecte utile mammals minks mustelidae nutrition oiseau oiseau domestique pato poultry production production animale useful arthropods useful insects vertebrados vertebrates vertebre vison volaille zootechnie zootechny zootecnia