ArticleTranslational animal science2025
The effect of litter size relative to functional teat count on lactating sow and litter performance.
Article in Translational animal science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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12 authors.
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Abstract
A total of 1005 sows and their litters were used to evaluate the effect of initial litter size relative to functional teat count on sow and litter performance. Sows were blocked by parity (1, 2 to 4, or 5+) and functional teat count (≤13, 14 to 15, or ≥16) categories and allotted to one of four treatments with 251 or 252 replications. Treatments consisted of 1 less pig than functional teats (-1), same number of pigs as functional teats (0), 1 more pig than functional teats (+1), or 2 more pigs than functional teats (+2). Pigs were individually weighed after cross-fostering and before weaning. Pigs born <0.9 kg were fostered onto sows not included in this study. Replacement pigs were not added to litters after a removal or mortality. Sow body weight (BW), caliper score, and backfat depth were collected at farrowing house entry and weaning (d 22). Parity category, treatment, and their interaction were fixed effects in the model along with teat category. As litter size relative to functional teat count increased, sows lost more BW and caliper units, but culling rate due to non-conception decreased (linear,
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