3. a) Rewrite the sentences in the active voice, where it is necessary, use the words: a scientist, a researcher, a breeder, a farmer. 1. The planning of mating combinations was introduced in practice. 2. Animals are bred for utility, sport, pleasure, and research. 3. Horses are being bred for sport. 4. The breeding value of animals has been researched thoroughly by scientists for different kinds of animals. 5. In the past, chickens were bred for the combined production of eggs and meat. 6. It is necessary to judge young males that will be used for breeding. 7. Special studbooks are maintained by government record associations. 8. The most significant progress in animal breeding has been done with dairy cattle. b) Rewrite the sentences in the passive voice. 1. Breeding procedures involve the application of several basic sciences. 2. At present, farmers are using different breeding programmes to improve their herds. 3. Farmers started systematic recordings of individual animal characteristics. 4. Farmers will rely on the record of an individual animal’s ancestors. 5. Animal breeders apply different mating systems. 6. Actual measurement of an individual animal’s performance has established the foundation of breeding programmes.

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