The impact of ground water high in sulfates on the growth performance, nutrient utilization, and tissue mineral levels of pigs housed under commercial conditions
نویسندگان
چکیده
Materials and methods: Performance and nutrient digestibility were determined for pigs consuming either water treated by reverse osmosis (RO; 219 mg total dissolved solutes (TDS) per L, 29 mg sulfates per L) or untreated ground water (3078 mg TDS per L, 1650 mg sulfates per L). In each of two experiments, approximately 240 pigs (20 ± 3 days of age, 5.9 ± 1.0 kg) received either RO-treated or untreated water for 35 days. In Experiment One, water was delivered either via nipple drinkers or dish-type drinkers. In Experiment Two, diets either contained supplemental zinc oxide (3000 mg zinc per kg) or no supplemental zinc.
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