Research Article Looks At Grass-Based Katahdin Lambs
April 5, 2019
An article entitled Gastrointestinal Nematode Infection and Growth of Grass Based Katahdin Lambs has been added to the online Sheep & Goat Research Journal.
“Grass-finishing lambs presents a challenge in the southeastern United States due to poor quality perennial grasses much of the year and presence of gastrointestinal nematodes (GIN). The objective of this study was to examine the effect of forage-based production, either grass-fed or grass-based with modest supplementation, on GIN infection and growth of fall-born lambs,” reads the article’s summary.
Researchers concluded, “The addition of minimal by-product grain supplementation to a forage diet for fall-born-ram lambs is effective to achieve optimal weight gain when forage quality is low. However, when quality of the forage is high the addition of supplementation is unnecessary and lambs can achieve optimal weight gain in a grass-fed system. Improved forage quality appeared to provide improved tolerance to GIN and improved weight gain in ram but not ewe lambs, although deworming was not necessary for any fall-born lamb. Winter-born lambs were not suitable for a grass-fed system without any supplementation or moderate supplementation in the southeastern United States because of poor growth potential and a greater GIN challenge on pasture. Production of fall-born ram lambs on quality cool-season forages offers sustainable options for southeastern U.S. farmers wishing to minimize off-farm inputs.”
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