11. Population and breeding status of the Bulgarian dairy synthetic population, controlled by the breeding association of the Bulgarian dairy sheep breeds

Author: Zornitsa Petkova, Vasil Nikolov, Plamen Gospodinov

3. Results of breeding sudangrass, sorghum-sudangrass hybrids and sweet sorghum for green mass productivity

Author: Tzvetan Kikindonov, Kalin Slanev, Stanimir Enchev, Georgi Kikindonov