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Lamb productivity on stockpiled fescue in honeylocust and black walnut silvopastures

Lamb productivity on stockpiled fescue in honeylocust and black walnut silvopastures Trees in silvopastures can provide forage-livestock systems with multiple goods and services, including shade, shelter, and browse, but the provision of browse has received little exploration in temperate systems. Honeylocust trees (Gleditsia triacanthos) produce nutritious pods that could serve as supplemental fodder for livestock grazing stockpiled tall fescue (Schedonorus arundinaceus). This study compared lamb performance in honeylocust (cv. Millwood) and black walnut (Juglans nigra) silvopastures with productivity on open pastures during a six week winter grazing trial. Treatment pastures were rotationally stocked with three (walnut) or six (honeylocust and open) lambs per experimental unit based on forage availability. Lambs were naïve to pods and did not readily consume the fodder until four weeks into the trial. Forage availability did not differ (P = 0.7580) between honeylocust silvopastures and open pastures (mean = 5090 ± 90 kg ha−1) but was greater (P < 0.0001) than forage availability in the black walnut silvopastures (3790 ± 90 kg ha−1). Average daily gains did not differ (P = 0.3763) among treatments over the six weeks of study. However, lambs within the honeylocust silvopastures began consuming pods at about week four of the study and had greater (P = 0.0251) average daily gains in the final period (0.12 ± 0.02 kg day−1) than lambs within the open pastures (0 ± 0.02 kg day−1). These data suggest that honeylocust pods may support greater lamb weight gains, but previous exposure and longer study periods may be necessary to see their nutritional benefit when grazing high quality forages. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agroforestry Systems Springer Journals

Lamb productivity on stockpiled fescue in honeylocust and black walnut silvopastures

Pent, Gabriel; Fike, John
Agroforestry Systems , Volume 93 (1) – Jun 16, 2018
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References (18)

Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Nature B.V.
Subject
Life Sciences; Forestry; Agriculture
ISSN
0167-4366
eISSN
1572-9680
DOI
10.1007/s10457-018-0264-0
Publisher site
See Article on Publisher Site

Abstract

Trees in silvopastures can provide forage-livestock systems with multiple goods and services, including shade, shelter, and browse, but the provision of browse has received little exploration in temperate systems. Honeylocust trees (Gleditsia triacanthos) produce nutritious pods that could serve as supplemental fodder for livestock grazing stockpiled tall fescue (Schedonorus arundinaceus). This study compared lamb performance in honeylocust (cv. Millwood) and black walnut (Juglans nigra) silvopastures with productivity on open pastures during a six week winter grazing trial. Treatment pastures were rotationally stocked with three (walnut) or six (honeylocust and open) lambs per experimental unit based on forage availability. Lambs were naïve to pods and did not readily consume the fodder until four weeks into the trial. Forage availability did not differ (P = 0.7580) between honeylocust silvopastures and open pastures (mean = 5090 ± 90 kg ha−1) but was greater (P < 0.0001) than forage availability in the black walnut silvopastures (3790 ± 90 kg ha−1). Average daily gains did not differ (P = 0.3763) among treatments over the six weeks of study. However, lambs within the honeylocust silvopastures began consuming pods at about week four of the study and had greater (P = 0.0251) average daily gains in the final period (0.12 ± 0.02 kg day−1) than lambs within the open pastures (0 ± 0.02 kg day−1). These data suggest that honeylocust pods may support greater lamb weight gains, but previous exposure and longer study periods may be necessary to see their nutritional benefit when grazing high quality forages.

Journal

Agroforestry Systems – Springer Journals

Published: Jun 16, 2018

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