Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"sow performance"”.
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The Effect of Exercise on Lactating Sow Performance
… weaning wt (WW), and back fat (BF) of lactating sows housed in farrowing crates. A total of 24 sows were used in four trials. Body weight (BW), BF, BCS, SS, IS, and LS were recorded at placement into the farrowing barn and again at weaning. A scale of 1 (poor) to 5 (excellent) was used for BCS, …
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Effects of restricted feeding schedule during development and gestation on gilt and sow performance
… management and feeding programs to increase sow longevity and productivity by improving welfare conditions. In Exp. 1, 208 gestating sows and 288 gestating gilts were utilized to determine the effect of feeding frequency (2 vs. 6) on performance and welfare issues. Feeding frequency had no …
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Assessing the well-being of gestating submissive sows in group pens using multiple welfare metrics
… today, specifically how to keep gestating sows. Internationally, many countries such as the European Union, Canada, and Australia, as well as some states within the U.S. have banned gestation crates. Consumer and legislative pressure have been the greatest push for these changes, despite …
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Effect of Sensory Additives on Sow Lactation Performance, Subsequent Reproductive Performance, and Nursey Pig Performance
… nutrient intake during lactation is vital to sow performance as well as litter performance. The aim of these studies was to evaluate the impact of a sensory additive on sow lactation performance and nursery pig performance. Five groups of sows were farrowed, three during winter (October, …
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The effects of high fiber diets and feeding partitions on the well-being of group-kept sows
… mandates. One of the main concerns with housing sows in groups is the increased aggression at mixing and around limited resources, especially feed and water. Grouped-housed sows establish a social hierarchy upon mixing which often reduces aggressive encounters later-on (Greenwood et al., 2014; …
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Effects of Phase Feeding During Gestation on Gilt Performance, Offspring Quality and Robustness
… ME; 3290 Kcal ME/kg) over 2 reproductive cycles. Sows received a common lactation diet from d 113 to weaning and weaned pigs received common diets post weaning. To assess gilt performance, BW, back fat, litter size, colostrum protein content and lactation feed intake were measured. To assess …
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The impact of gestation sow housing system (individual vs. group) on the reproductive performance of sows & the effect of farrowing pen size on pre-weaning mortality
Section 1: The effect of gestation sow housing system on sow performance was evaluated in a study carried out on a commercial breed-to-wean facility. A Randomized Complete Block Design was used to compare 2 treatments, Individual and Group (8 females/pen) housing. The experimental unit was …
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Effect of alternative, individual and group housing systems, and management factors in group pens on the well-being of gestating sows
… of referendum that ban gestation stalls for sows, crates for veal calves, and battery cages for laying hens. Currently no scientific information support the current notion that these housing systems compromise animal well-being nor support that any of the current alternative housing systems …