Suzanne Leonard 博士断奶前仔猪饮水.pdf

1、Water for Prewean PigletsSuzanne M.Leonard,Ph.D.Assistant Professor and Extension SpecialistDepartment of Animal Sciencesmleona4ncsu.eduDepartment of Animal Science 2Prewean Piglet Water Most use piglet nipple on sow water line At least 0.5 gallon/min Piglet may have to enter sow space to drink Typi

2、cal sow nipple:12”or 34”Piglet nipple:38”Department of Animal Science 3Study Design NCDA Tidewater Research Station,July 2024 72 litters(P2),randomly allocated to one of four treatments:Department of Animal Science 4No piglet waterPiglet nipple on sow water lineGravity flow jug into bowlGravity flow

3、 pig nippleNoneNormalBowlPipeMaterials and Methods All waterers installed at least 1 d prior to farrowing on right side of sow stall Empty crate for evaporation comparison with pipe,bowl on HL side,and bowl on non-HL side Measured Bowl and Pipe water disappearance daily Did not measure Normal water

4、disappearanceDepartment of Animal Science 5Materials and Methods Drinkers cleaned and refilled as needed Piglets individually weighed at farrowing,days 7,14,21,28(weaning)Department of Animal Science 6Productivity Summary No statistical differences in productivity due to drinker treatmentDepartment

5、of Animal Science 7TreatmentNumber of LittersAverage Liveborn per LitterTotal LivebornNone1913.2250Normal1813.7246Pipe1813.9250Bowl1712.1205Prewean Mortality No statistical difference due to waterer treatment(p=0.17)Department of Animal Science 8NoneMeanSENone15.93.0Normal17.83.7Pipe16.43.5Bowl8.41.

6、8Average Daily Gain No statistical difference due to waterer treatment(p=0.58)Department of Animal Science 9NoneMeanSENone0.520.02Normal0.520.02Pipe0.490.02Bowl0.530.02Water Disappearance,mL per Head per DayDepartment of Animal Science 10TreatmentWhich Litters Drank the Most?Depa