Table 5.

Average weaning litter weights (at day 28 of lactation) per reproductive cycle and by parity group of sows culled due to swine urogenital disease (SUGD) during a 12-month period in 11 large Slovakian indoor production units

	Weaning litter weights (kg)
Parity groups	Sows culled due to swine urogenital disease (SUGD) (n = 1363)	Sows culled for reasons other than swine urogenital disease (SUGD) (n = 3499)
1	70.4, sχ̄ = 3.1a,A	71.1, sχ̄ = 4.0a,A
2 to 6	75.9, sχ̄ = 2.7b,A	79.9, sχ̄ = 4.2b,B
> 6	60.9, sχ̄ = 7.1c,A	64.2, sχ̄ = 4.1c,B

s_χ̄ — Standard error of the mean

^a,bP < 0.05 in a column

^{a,c, b,c}P < 0.01 in a column

^A,BP < 0.05 in a row