Beef cattle: do we really want them that docile?
Ana Clara González, Héctor Ricardo Ferrari
págs. 117-119
Consumption of expanded polystyrene by Tenebrio molitor and Zophobas atratus, and use of their meal as feed for Piaractus brachypomus
Miguel F. Bonilla Amaya, Adriana Patricia Muñoz Ramírez, Fredy A. Aguilar Aguilar, Karol Bibiana Barragán Fonseca
págs. 121-136
Reproductive aspects of the Venezuelan layer hen breeds Maracay, GDB and their hybrids in a small-scale system
Félix Mejías, Rafael Galíndez
págs. 137-144
Productive behavior and nutritional quality of two varieties of alfalfa (Medicago sativa L.) subjected to fertilization and inoculation
Guido Arnaldo Portillo, Pedro Luis Paniagua Alcaraz
págs. 145-154
Reproductive behaviour of the creole goat managed extensively in the different altitudinal levels of the dry tropic of southern of Ecuador-South America
Edgar Aguirre, Miguel González Muñoz, César Benavidez Silva
págs. 155-161
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