The document describes how farm animals (chickens, sheep, pigs, calves) react to various stimuli using reflexes. At the same time, it shows different levels of learning and other interesting things from the world of farm animals.
1948
1937
1942
1936
2018
2015
1972
1968
1946
1945
1961
1941
1933
1938
1935
1932
1951