Abstract
Effects of Dietary Electrolyte Balance and Crude Protein Level on Growth Performance, Carcass Characteristics, and Blood Analytes of Finishing Pigs
Highlights
Economic and environmental pressures have obligated nutritionists to develop low protein, amino acid fortified diets that deliver performance equivalent to traditional formulations
A total of 288 finishing pigs (PIC 327 × 1050, initially 243.5 lb) were used in a 20-d trial to determine if dietary electrolyte balance in conjunction with low protein, amino acid fortified diets has any influence on growth performance
Pigs fed 13% CP diets had greater (P = 0.001) ADG, heavier (P = 0.037) final body weight, and improved (P < 0.001) feed efficiency compared with pigs fed the 10% CP diets
Summary
Economic and environmental pressures have obligated nutritionists to develop low protein, amino acid fortified diets that deliver performance equivalent to traditional formulations. In some studies, low protein diets lead to poorer performance. Kansas State University Agricultural Experiment Station and Cooperative Extension Service in late finishing pigs.[2] By lowering crude protein, dietary electrolyte balance decreased proportionally. Because the dEB is decreased when crystalline amino acids replace soybean meal in low crude protein diets, there is a need to establish whether dEB has any influence on finishing performance. The objective of the present study is to determine the effects of dEB in diets with different levels of crude protein on growth performance, carcass characteristics, and blood analytes of pigs between 250 and 285 lb
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