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Audrey Earnhardt

As seen in: National Hog Farmer
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Articles by Audrey Earnhardt

Genetics of swine functional teats

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By Audrey Earnhardt, Mark Knauer
| National Hog Farmer Verified
By Audrey Earnhardt and Mark Knauer, North Carolina State University Piglet survival is of great importance for swine producers throughout the world due to its relationship with animal well-being and farm profitability. Recent data in the United States indicate piglet survival has perhaps decreased as litter size has increased (Figure 1). Yet production systems and geneticists alike are working fervently to reduce this trend.
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Sow functional teat number impacts piglet performance

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By Jeff Wiegert, Audrey Earnhardt, Mark Knauer
| National Hog Farmer Verified
By Jeff Wiegert, Audrey Earnhardt and Mark Knauer, North Carolina State UniversityTeat number is a commonly used metric to evaluate underline quality at replacement gilt selection. A minimum number of teats is typically suggested for entry into the breeding herd, yet this criterion may be forgiven when demand for gilts is high. The objective of the present study was to characterize the importance of sow functional teat number on piglet colostrum intake and litter throughput.
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