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Descriptive statistics of meteorological data at day of first insemination and day of successful insemination

 
Day of first insemination
Day of successful insemination
Characteristic Mean SD Minimum Maximum Mean SD Minimum Maximum
Minimum temperature, °C 10.5 6.3 -16.9 26.0 10.4 6.2 -16.9 26
Maximum temperature, °C 20.6 8.1 -2.4 44.1 20.4 8.1 -2.4 43.2
Diurnal temperature range, °C 10.0 4.1 0.0 36.5 10.0 4.1 0.0 36.5



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Descriptive statistics of reproduction data

 
Gilts (parity 1)
Sows (parity 2 to 7)
Gilts vs. Sows
Characteristic n Mean SD n Mean SD Difference P-value
Parity 4331 1 ± 0 16,556 4.1 ± 1.6
Gestation length, days 4200 113.7 ± 9.1 16,223 113.9 ± 6.7 -0.25 0.09
Farrowing rate 4244 0.79 ± 0.41 16,298 0.87 ± 0.34 -0.07 < 0.01
Total born 4111 11.3 ± 2.7 16,053 12.2 ± 2.7 -0.84 < 0.01