Efecto de la cobertura arbórea sobre el movimiento, comportamiento y preferencia de árboles por vacas lecheras en Rivas, Nicaragua
mag(2012)
关键词
animal breeding,seasonal variation,radioimmunoassay,reproduction,growth,chemical composition,dry season,embryo transfer,information systems,organoleptic properties,population change,plant breeding,biomass,diagnosis,fertility,cell walls,modernisation,forage,hay,birth rate,hormones,selection,genotypes,solids,livestock,productivity,animal health,animal husbandry,hedges,skim milk,fermentation,food composition,concentrates,sustainability,canopy,modernization,animal nutrition,marketing,nitrogen,herds,evaluation,proteins,weight,hormone,oestrous cycle,col,agroforestry,genotype,degradation,fish meal,sampling,temperature,nutritional requirements
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