Гонять глистов надо по крайней мере 2 раза в год, причем, обязательно - перед прививкой или вязкой. А вообще, желательно раз в 3-4 месяца. Чаще тоже не стоит, можно отравить собаку.
He is your friend, your partner, your defender, your dog.
You are his life, his love, his leader. He will be yours,
faithful and true, to the last beat of his heart. You owe it
to him to be worthy of such devotion.
Anonymous