. ** average elisa titre obtained after a repeated administration of one dose in swine. indic ations active immunization of the swine herd against atrophic rhinitis and respiratory processes caused by b. bronchiseptica, h. parasuis, m. hyopneumoniae, p. haemolytica and p. multocida type d. administration...
the world's two largest economies. to that, add the ambiguities surrounding brexit and the renegotiation of nafta, as well as conflicts in central america and other regions. we also saw disruptions in the ocean shipping industry and, as the year progressed, a shakeup in animal feed demand and global meat...
food is man's basic need. without food it is not only difficult but quite impossible to survive. man must, therefore eat food in some form or another. whatever man regularly eats can be divided into two broad categories, namely vegetables and meat, both of which are abundantly available. as far a vegetables...
in confinement buildings for purpose of selling pork to meatpacking establishments: selects and breeds swine according to knowledge of animals, genealogy, characteristics, and offspring desired. ) regulates breeding of sow herd to produce maximum number of litters. ) attends sows during farrowing and...