Abstract
<p>The purpose of this study was to investigate the performance, digestion of the diet and greenhouse gas emission of cows with subacute ruminal acidosis (SARA). Twelve cows were included. The blood parameters, milk yields, manure, and urine of healthy (H group) and cows with SARA (R group) were analyzed. The results showed that the plasma concentrations of total protein (TP) and globulin (GLO) of the R group were significantly lower than those of the H group. Aspartate amino transferase (AST), non-esterified fatty acids (NEFA), beta-hydroxybutyric acid (BHBA), creatinine kinase (CK) and L-lactate were significantly higher in the R group than in the H group. The levels of neutral detergent fiber (NDF) and acid detergent fiber (ADF) in feces from the R group were significantly lower than in the H group. Milk protein and milk fat were significantly lower in the R group than in the H group, and the energy corrected milk (ECM) value of the R group was significantly lower than that of the H group. The emission of ammonia and methane by the R group was slightly lower than by the H group. These results showed that the forage digestibility was significantly higher in the R group than the H group. The performance and ammonia and methane emission in the R group were slightly lower than those of the H group.</p>
Highlights
It is generally predicated that global warming is caused due to increases in the concentration of greenhouse gases (GHG), from anthropogentic activities including carbon dioxide, methane, nitrous oxide and chlorofluorocarbons (Patra, 2014)
The results showed that the plasma concentrations of total protein (TP) and globulin (GLO) of the R group were significantly lower than those of the H group
Aspartate amino transferase (AST), non-esterified fatty acids (NEFA), beta-hydroxybutyric acid (BHBA), creatinine kinase (CK) and L-lactate were significantly higher in the R group than in the H group
Summary
It is generally predicated that global warming is caused due to increases in the concentration of greenhouse gases (GHG), from anthropogentic activities including carbon dioxide, methane, nitrous oxide and chlorofluorocarbons (Patra, 2014). The livestock sector represents a significantly source of greenhouse emissions worldwide (Gerber et al, 2013). It is all know there were climate change, sea level increased etc when happened global warming. The climate change has direct and indirect impacts on livestock production (Chauhan & Ghosh, 2014; Taqi, Hassanein, & Khalil, 2013). This is an infinite loop, we should mitigation the greenhouse emission increased
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