نتایج جستجو برای: animal breeding
تعداد نتایج: 259389 فیلتر نتایج به سال:
Animal breeding was, until the beginning of the twentieth century, a relatively uncontrolled activity based mainly on the animal’s physical appearance. The early animal breeders did not really have the knowledge and tools to predict and control what they were doing. This changed in the first half of the twentieth century, when Mendelian genetics was applied in farm animal breeding. Later, the s...
OBJECTIVES A population based case-control study was conducted in a highly agricultural area in Italy to investigate the association between chronic lymphocytic leukaemias (CLLs) and non-Hodgkin's lymphomas (NHLs), and subtypes, and exposure to pesticides in farming-animal breeding workers. METHODS 187 cases of CLLs and NHLs and 977 population controls were interviewed on medical, residential...
s related to the Thesis Horváth G, Petrovszki Z, Kékesi G, Benedek G, Kéri S. Behavioral changes in a new substrain developed by selective breeding. (MITT 2013.)
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید