Item | Betaine in lactation diets, % | SEM | P-valuesd | |||||
---|---|---|---|---|---|---|---|---|
0 | 0 | 0.2 | 0.2 | Betaine lactation | Betaine post-weaning | Interaction | ||
Betaine in post-weaning diets, % | ||||||||
0 | 0.2 | 0 | 0.2 | |||||
Parity 1, n | 39 | 44 | 44 | 42 | ||||
Days to estrus | 5.78 | 6.82 | 7.80 | 5.19 | 0.960 | 0.843 | 0.415 | 0.061 |
Farrowed:weanede | 0.923 | 0.841 | 0.818 | 0.833 | 0.054 | 0.327 | 0.555 | 0.328 |
Total pigs born | 12.32a,b | 13.82a | 13.40a,b | 12.18b | 0.598 | 0.638 | 0.821 | 0.025 |
Pigs born alive | 11.61b | 13.33a | 12.93a,b | 11.38b | 0.598 | 0.599 | 0.888 | 0.007 |
Parity 2 and 3, n | 71 | 71 | 71 | 72 | ||||
Days to estrus | 7.21 | 5.69 | 7.16 | 6.66 | 0.815 | 0.569 | 0.216 | 0.526 |
Farrowed:weanede | 0.929 | 0.915 | 0.915 | 0.847 | 0.035 | 0.245 | 0.245 | 0.444 |
Total pigs born | 13.42 | 13.20 | 13.41 | 13.01 | 0.541 | 0.848 | 0.550 | 0.864 |
Pigs born alive | 12.58 | 12.56 | 12.85 | 12.25 | 0.515 | 0.969 | 0.521 | 0.540 |
Parity 4, 5 and 6, n | 51 | 48 | 48 | 48 | ||||
Days to estrus | 5.28 | 5.56 | 6.25 | 4.51 | 0.685 | 0.957 | 0.242 | 0.107 |
Farrowed:weanede | 0.961 | 0.854 | 0.916 | 0.896 | 0.041 | 0.977 | 0.127 | 0.303 |
Total pigs born | 14.15 | 12.90 | 15.37 | 14.02 | 0.585 | 0.026 | 0.014 | 0.927 |
Pigs born alive | 13.07 | 12.06 | 13.59 | 12.88 | 0.552 | 0.178 | 0.084 | 0.768 |