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Sow feeding management
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Maternal investment, sow behavioural needs and criteria for housing design The reproductive strategy of producing large broods and smaller young, resulting in a higher mortality rate, fits the picture of domestic pigs remarkably well (reviewed by Drake et al. 2008). The average litter size in domestic sows is around 12 to 14 piglets, but litters of above 20 piglets are not uncommon even in gilts, although the number of functional teats is usually between 14...
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INTRODUCTION Sow productivity has increased considerably in recent years, mainly owing to an increase in litter size, which has resulted in an increased metabolic demand for nutrients to support fetal growth and colostrum and milk production (TOKACH et al., 2019). However, this increase in nutritional requirements has not been accompanied by the pattern of sow intake, thus, sows undergo excessive mobilization of body protein during lactation (YANG et al., 2000a). This can affect...
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Introduction Modern piglet production has continuously increased the amount of piglets born per sow year (PSY) through improving genetics, farm management and nutrition. In the Netherlands in 2016 on average 30.0 piglets were weaned per sow per year. This was achieved in 2.36 cycles with 14.7 piglets/litter born alive (PSY 34.7). With larger litters, the heterogeneity in birth weights increases and mortality increases with a higher percentage of small piglets. The mortality till...
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COMMON PROBLEMS IN BREEDING SOWS The high prolificacy of modern genetic lines provides extraordinary productivity, but at the same time increases the frequency of problems which, if not managed properly, will increase the culling rate. Among the main challenges we can...
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Márcio Gonçalves shares some insights about sow lactation feed intake in this Swine It video....
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I would like to know what to do to the sow, it is 90 days pregnant and does not eat, drinks a little. ...
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My pregnant pig is not eating. What would be the cause? ...
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Dr. Billy Flowers (NC State University) discusses reproductive management in depth during a Swine It interview with host Márcio Gonçalves....
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Dr. Hyatt Frobose (Jyga Technologies) comments on renovations, regulations and farrowing crates, in this Swine It interview with host Laura Greiner....
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Dr. Lee Johnston (University of Minnesota) talked about ways of increasing piglet birth weight in a clip from this Swine It interview with host Márcio Gonçalves....
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Listen to Professor Bruno Silva from the Federal University of Minas Gerais in Brazil to know more! This video is part of a series of short educational videos, lasting from 5 to 7 min, that help to better understand the feeding behavior of sows and ways to modulate it.
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The use of feed flavors offers the opportunity to improve the lactation and voluntary feed intake of sows. Listen to Professor Bruno Silva from the Federal University of Minas Gerais in Brazil to know more!
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Dr. Steve Pollman and Dr. Joe Crenshaw discuss how the performance of the entire system begins and ends with the sow. Learn the importance of using benchmark data to develop solutions that reduce variation and improve productivity in today's sow herd....
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WHAT OUR PRESENTERS DISCUSSED: Dr. Steve Pollmann Benchmarking Sow mortality Seasonal effects on sow productivity Parity effects on farrowing rate & litter size Sow farm impact on wean-to-finishing results Dr. Joe Crenshaw Results of adding plasma in transition sow feed Reduced stillborn pigs Improved oxidative...
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Introduction A successful gestation feeding program is one that yields a large, vigorous litter of pigs and a healthy sow equipped with adequate mammary development and body nutrient stores to produce large quantities of milk for the suckling litter. Variations in body size, productivity, and environmental conditions dictate different daily concentrations of nutrients to satisfy the sow’s requirement. Models have been developed for sow nutrient requirements in gestation...
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INTRODUCTION Sows in transition from gestation to lactation are in a period of dramatic physiological change due to high nutrient demands of rapidly growing fetuses in utero, parturition, and lactation. These physiological changes require coordinated hormonal, nutritional, and management transitions to optimize piglet viability and postnatal growth (Theil, 2015). Inadequate preparation for these massive physiological changes could lead to increased stillbirth rate,...
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Introduction The U.S. swine industry is facing a significant change in production practices regarding gestation sow housing. Many pork producers across the United States are shifting from housing gestating sows in individual stalls to a group housing system. This is driven by animal welfare concerns, state legislatures, and food companies’ demands. Electronic sow feeding (ESF) is one option for feeding gestating sows within a group housing system. Electronic sow...
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Introduction Lysine is the first limiting amino acid in corn-soybean meal-based swine diets. In order to maximize efficiency in all stages of production, the requirement of Lys needs to be determined. In lactation diets, nutrients need to be supplied to support both sow maintenance and litter growth. Inadequate nutrient intake during lactation can cause the sow to be catabolic and cause increased sow body protein mobilization. Previous research has suggested a linear correlation...
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