Mastitis represents a major endemic disease of dairy cattle, being a very complex disease that depends on several factors and usually presented subclinically in herds. The treatment and control entails high costs and losses for the industry. The author has developed an accurate, visual review analysing the most highlighted features of this condition and pointing out the main control measures to prevent it.

The most updated information on avian influenza with a practical approach. The authors review the aetiology, clinical signs, diagnosis, and control of avian influenza viruses. It also includes numerous graphic resources to make the contents more understandable to readers. 

Vaccination is one of the cornerstones of poultry production. In fact, it is one of the aspects that most influence production parameters in the poultry industry. In broilers, the optimum time of vaccination should aim at obtaining the maximum meat yield. In layers and breeders, both time and the route of administration have an influence in the quality of egg shells and the number of eggs per laying, among others.