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hens
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20. Creation of new Broiler Parent Lines. 1. Main Production Characteristics of Broiler Parent Stock
Author: Mitko Lalev, Magdalena Oblakova, Nadja Minceva, Pavlina Hristakieva, Ivelina Ivanîva
42. State of surrounding structure of building for natural semi rearing hens
Author: Hristo Hristev, Alexander Nikolov, Rumiana Ivanova, Kalinka Kuzmova