This work was carried out to evaluate the inclusion of urea and tannin in multiple supplements on ingestive behavior of cattle in pasture. The experiment was taken in the Cattle Nutrition pasture of the Experimental Farm ...

Context: Urea is widely used in ruminant diets as a source of non-protein nitrogen (NPN), partially substituting for true protein in feed, but high levels of urea in the diet may cause toxicity. Aims: This study investigated ...

Los aditivos para concreto son sustancias químicas que son insumos que actúan químicamente al contacto del cemento en la modificación de algunas propiedades del cemento, tales como la resistencia a compresión a corto plazo, ...

The aim of this study was to evaluate the effects of substituting soybean meal for urea on milk protein fractions (casein, whey protein and non-protein nitrogen) of dairy cows in three dietary levels. Nine mid-lactation ...

El nitrógeno es un macronutriente principal que es requerido por las plantas debido a su efecto en la formación de proteínas, sin embargo, su exceso es negativo en la producción, lo que puede verse complementado con la ...

The demand for urea is continuously growing and entwined with the need for fertilizers and animal feed additives. Industrially, urea is initially produced in liquid form as a concentrated solution. Then, it can be converted ...