• Elaborado con ingredientes naturales
• Sin colorantes, aromatizantes ni conservantes artificiales
• Sin gluten
• Completo y equilibrado, adaptado a las necesidades de su perro

THINK
The user wants a Portuguese to Spanish (Spain) translation.
The context is pet product e-commerce content.
The source text is "Carne de vaca e vegetais."
"Carne de vaca" translates to "Carne de vacuno" or "Ternera" (if young beef). Given the e-commerce context for pet food, "Carne de vacuno" is more general and appropriate. "Carne de res" is also common in Latin America, but "vacuno" is preferred for Spain.
"e" translates to "y".
"vegetais" translates to "verduras" or "vegetales". Both are fine, "verduras" is very common in Spain for food items. "Vegetales" is also correct. For pet food, "verduras" sounds natural.

Let's consider the common phrasing for pet food ingredients.
"Carne de vacuno y verduras" or "Carne de vacuno y vegetales".
Both are perfectly valid and natural in Spain. "Verduras" might be slightly more common in everyday speech for mixed vegetables.

I will go with "Carne de vacuno y verduras" as it sounds very natural for a pet food ingredient list in Spain.Carne de vacuno y verduras