Table 2. Effects of OvuGel® (JBS United LLC, Sheridan, IN) and P.G. 600® (Merck Animal Health, Inc., De Sota, KS) alone or in combination on reproduction in sows. Values are LS means ± SE. OvuGel No OvuGel P-values P.G. No P.G. P.G. No P.G. OvuGel vs. P.G. 600 P.G. 600 600 600 600 600 SEM No OvuGel vs. No x OvuGel Item: P.G.600 Number of sows 24 24 24 24 --- --- --- Estrus by day 7 96.8 92.1 79.5 84.9 0.1 0.03 0.95 0.35 post-weaning, % Estrus by day 99.4a 95.2a,b 82.7b 95.2a,b 0.1 0.09 0.39 0.09 10 % Wean-to-estrus, 4.7 5.2 5.0 5.5 0.4 0.09 0.03 0.92 days Pregnant1, % 53.7 61.0 68.5 61.4 0.1 0.46 0.99 0.48 Pregnant2,% 54.0 61.8 61.8 58.4 0.1 0.99 0.68 0.73 Farrowing1, % 45.6 62.1 65.3 53.7 0.1 0.59 0.81 0.18 Farrowing2, % 45.4 61.8 54.1 49.5 0.1 0.86 0.56 0.31 1 Sows pregnant or farrowing/sows inseminated 2 Sows pregnant or farrowing/sows allotted to treatments a,b Values with different superscripts tend to differ (P = 0.09). Figure 1. Distribution of WEI among treatment groups. Sows in TRT1 received 5 mL of OvuGel (JBS United Animal Health; Sheridan, IN) approximately 96 h post-weaning. Sows in TRT2 received 5 mL of P.G. 600 (Merck Animal Health; De Sota, KS) at weaning (h 0) and 2 mL of
Table 2. Effects of OvuGel® (JBS United LLC, Sheridan, IN) and P.G. 600® (Merck Animal Health, Inc., De Sota, KS) alone or in combination on reproduction in sows. Values are LS means ± SE. OvuGel No OvuGel P-values Item: P.G. 600 No P.G. 600 P.G. 600 No P.G. 600 SEM OvuGel vs. No OvuGel P.G. 600 vs. No P.G.600 P.G. 600 x OvuGel Number of sows 24 24 24 24 --- --- --- Estrus by day 7 post-weaning, % 96.8 92.1 79.5 84.9 0.1 0.03 0.95 0.35 Estrus by day 10 % 99.4a 95.2a,b 82.7b 95.2a,b 0.1 0.09 0.39 0.09 Wean-to-estrus, days 4.7 5.2 5.0 5.5 0.4 0.09 0.03 0.92 Pregnant1, % 53.7 61.0 68.5 61.4 0.1 0.46 0.99 0.48 Pregnant2,% 54.0 61.8 61.8 58.4 0.1 0.99 0.68 0.73 Farrowing1, % 45.6 62.1 65.3 53.7 0.1 0.59 0.81 0.18 Farrowing2, % 45.4 61.8 54.1 49.5 0.1 0.86 0.56 0.31 1 Sows pregnant or farrowing/sows inseminated 2 Sows pregnant or farrowing/sows allotted to treatments a,b Values with different superscripts tend to differ (P = 0.09). Figure 1. Distribution of WEI among treatment groups. Sows in TRT1 received 5 mL of OvuGel (JBS United Animal Health; Sheridan, IN) approximately 96 h post-weaning. Sows in TRT2 received 5 mL of P.G. 600 (Merck Animal Health; De Sota, KS) at weaning (h 0) and 2 mL of