The transition to a low carbon society and a circular economy require action also in agriculture. The environmental footprint of food depends also on the production methods. Over the decades, modern animal husbandry has substantially reduced the carbon footprint of food of animal origin. Achieving environmental standards in animal husbandry requires: improved productivity, housing conditions, and animal health, as well as the use of nutrition that minimizes emissions. Options for reducing the environmental burden of nutrition include: accurate meeting of animal requirements, improved production parameters, use of feed additives, good feeding equipment, and the use of feed materials with a small environmental footprint. In pigs, the greatest improvement has been achieved in the reduction of nitrogen and phosphorus emissions. Feed with reduced protein and phosphorus content, using amino acids and phytase, can reduce their secretion by more than 50 %. By accurate meeting of animal requirements in all stages of growth and of reproductive cycle, by the use of multiphase feeding and feed additives, a further reduction of nutrient excretion and of the need for high-carbon footprint protein feeds and phosphates can be achieved.
COBISS.SI-ID: 4329096
Information about the current legal requirements related to the emission of ammonia and greenhouse gases from animal housing in 21 EU and 5 non-EU countries is presented. Overall the review shows that most of the included countries have established procedures to limit ammonia emissions, however there are no requirements to limit greenhouse gas emission. The review indicates that the important animal producing countries have implemented the EU requirements, and, that only a few countries with a large pig population have implemented requirements that are stricter than what is required by the EU. This is a unique overview of the situation that has gained nearly 400 reads in Research Gate since June 2019.
COBISS.SI-ID: 5785960
The paper presents nutritional factors affecting urea content in milk and describes the consequences of inadequate crude protein concentration in ruminant diets. An overview of expert recommendations and scientific articles for milk urea in dairy ewes and goats are given. Based on the literature, we confirmed the most appropriate values for urea in goat's milk (20?40 mg per 100 ml) and suggested corrected values for sheep (30?45 mg per 100 ml). Literature data on urea content in milk of dairy ewes and goats in Slovenia are also presented.
COBISS.SI-ID: 5912680