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Effect of drinker type on water intake and waste in newly weaned piglets¹

S. Torrey^*,2, E. L. M. Toth Tamminga and T. M. Widowski

^* Agriculture and Agri-Food Canada, Dairy and Swine Research and Development Centre, Sherbrooke, Quebec, J1M 1Z3, Canada; and Department of Animal and Poultry Science, University of Guelph, Guelph, Ontario, N1G 2W1, Canada

² Corresponding author: torreys{at}agr.gc.ca

During the first few days after weaning, pigs often experience BW loss as they adapt to eating solid food. During this time period, they are also known to drink excessively and develop abnormal oral behavior such as belly nosing. The excessive drinking may stem from the piglets’ attempt to satiate hunger through gut fill from a familiar ingestive source. Gut fill through water intake may affect the establishment of feeding behavior. Using drinker devices other than the standard nipple drinker may ease the piglets’ transition at weaning by facilitating the initiation of feeding and preventing the development of behavioral problems such as excessive drinking and belly nosing. In this experiment, we examined the effect of drinker type on water and food intake, growth rates, and belly nosing in newly weaned piglets. Eighteen pens of 15 piglets each (270 piglets total) were weaned at 18.1 ± 0.1 d of age and housed in pens containing 1 of 3 drinker devices (standard nipple, push-lever bowl, and float bowl). Piglets’ water and feed intake, water use, BW, and behavior were examined on a pen basis through 2 wk after weaning. Piglets with nipple drinkers wasted more water than the other piglets (P < 0.001; float, 295 ± 70 mL · pig^–1 · d^–1; nipple, 1,114 ± 63 mL · pig^–1 · d^–1; and push-lever, 186 ± 63 mL · pig^–1 · d^–1), whereas piglets with float bowls consumed less water than the other piglets (P < 0.001; float, 475 ± 81 mL · pig^–1 · d^–1; nipple, 870 ± 76 mL · pig^–1 · d^–1; push-lever, 774 ± 76 mL · pig^–1 · d^–1). Drinker type affected feeding behavior (P = 0.02); piglets with push-lever bowls spent less time at the feeder than the other piglets, although no difference was detected for feed intake (P = 0.64) or overall ADG (P = 0.16). Piglets with push-lever bowls also tended to perform less piglet-directed nosing behavior than piglets with the float bowl (P = 0.04). Piglets appear to use more water during the first 2 d after weaning with certain drinker devices. However, piglets do not appear to attain satiety through water consumption because most of the water used during the first few days after weaning is wasted. This excessive drinking and water wastage can be abated through the use of push-lever drinkers without negative implications for feed intake or growth rates.

Key Words: behavior • belly nosing • drinker device • drinking • early weaning • piglet

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