Evaluation of Some Commercial Food Rations in Terms of Chemical Composition, Methane Production, Net Energy and Organic Substance Digestibility

Abstract

The rapid increase in the world population increases the need for plant and animal food. Agriculture and animal husbandry practices are becoming more common day by day to meet the need for food and to obtain more products. This situation increases the amount of waste per unit of animal products. Increased animal excrement is associated with greenhouse gas emissions, harms the environment and animal health. One of these greenhouse gases, methane, increases animal production and poses a significant threat to global warming. Feeding research, which optimizes rumens and animal productivity to reduce ruminant methane emissions, is one of the hottest topics today. The purpose of this study is to evaluate feed distribution in terms of chemical composition, methane production, net energy, and organic matter digestibility by collecting forage and concentrates from various ranches in Niğde. Therefore, to increase the productivity of livestock on small farms in Turkey, the ratio of feed ingredients was determined on a farm basis, and there were some comments on the lower and upper limits of the fattening rate. Gas and methane production of TMR samples was determined using in vitro gas production technology. Nutrient contents obtained from different livestock farms CP (9.58-14.72), CF (1.89- 2.30), CA (7.64-13.92), ADF (19.77-27.82) NDF (36.71-45.69) DM (90.48-91.79) content, methane (CHâ‚„), OMS, NEL and ME values were also different (P<0.05). It has been observed that the rations determined in this study were not calculated according to age, age, fattening period, and animal needs. Even in groups with similar characteristics, companies have been observed to use different rations. By recording the fattening ability of animals such as weight gain, head fattening, and weight fattening, it can be said that more economical and profitable livestock can be realized by recording an increase in a large amount of concentrated feed and feed consumption.