... color,growth 4)Timely delivery 1.Betaine is a highly Complex, highquality, economy, widely used in livestock, poultry, aquaculture ... Add in the pig compound betaine hydrochloride, can increase eye muscle area, average backfat thickness of pigs decreased to ... abdominal deposition, lower feed conversion. (3) with attractant activity. Complex betaine can stimulate the animals sense of smell and taste ...