00411nam a2200145Ia 4500003000400000005001700004008004100021082001600062245010100078260002100179300000800200650002100208650002100229700001500250OSt20191019103503.0140316s9999    xx            000 0 und d  a636bTHO/SM  aSmall holder livestock production systems in developing countries : opportunities and challenges  bC K Thomasc2000  a403  aAnimal husbandry  aAnimal husbandry  aThomas,C K