In this study, we present some species of sea cucumbers common to the Algerian coast, namely the Mostaganem coast. 43 individuals of the species studied are collected in different regions of the Mostaganem coast, between ...
From the studies we will discover that the breeder is mainly interested in 3 things: the health of the hen and the weight of the egg and the strength of the shell. the health of the chickens depended on good rearing ...