Abstract
The aim of current work was a part of study for animal husbandry effects on emissions of greenhouse gases and some mitigation strategies between the end of XX and the beginning of XXI century. It?s emphasized on nitrogen (N) balance and its fluctuated values, as well as brings forward attendant factors. As a result, we deducted strong correlation models (R2> 0.89, 0.85, 0.99), as an estimator of the N2O emissions (Gg.CO2-eq), generated by manure management in relation to animal population (monogastric, ruminant, total) among the investigated middle-term periods throughout 1989 - 2011 y for the Bulgarian realities.
Highlights
The microclimate pooled physical, chemical and biological factors
We emphasized on a number of worldwide and local mitigation strategies and some ecological aspects of ammonia
We aimed to investigate the animal husbandry effects on emissions of N-related greenhouse gases
Summary
The microclimate pooled physical (temperature, humidity, air flow), chemical (toxic gases) and biological (bacteria, viruses, fungi) factors. The productive systems and technologies determined limiting factors as breeding and nutrition strategies, environmental conditions, production need, etc. In this regards must be promoted the following role „hygiene = health = efficiency = profitability“. Thereby, the common air gases pollutants are ammonia, carbon dioxide, hydrosulphide and methane. The atmospheric ammonia concentrations developed animal response in terms of health problems and reduced performance. We emphasized on a number of worldwide and local mitigation strategies (genetic, nutritional, herd, technological, etc.) and some ecological aspects of ammonia
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