Cultural Energy Analysis of Lamb Production in the Feedlot or on Pasture and in the Feedlot

Data from terminal study conducted to evaluate postweaning growth and carcass traits of Texel, Suffolk and Columbia sired offspring were used to evaluate cultural energy analysis of lamb production in the feedlot or on pasture and in the feedlot. Study was initiated with exposing 82 whiteface ewes c...

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Bibliographic Details
Published in:Journal of sustainable agriculture 2007-08, Vol.30 (4), p.95-108
Main Authors: Koknaroglu, H, Ali, A, Ekinci, K, Morrical, D.G, Hoffman, M.P
Format: Article
Language:English
Subjects:
animal growth
breed differences
carcass characteristics
carcass weight
culling (animals)
cultural energy
Cultural energy analysis
feed concentrates
feed rations
feedlot
feedlots
finishing
food animals
grazing
input output analysis
lambs
livestock production
liveweight gain
pasture
pastures
sheep
sheep breeds
sustainable agriculture
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Summary:Data from terminal study conducted to evaluate postweaning growth and carcass traits of Texel, Suffolk and Columbia sired offspring were used to evaluate cultural energy analysis of lamb production in the feedlot or on pasture and in the feedlot. Study was initiated with exposing 82 whiteface ewes composed of primarily Polypay X Dorset ewes to Texel, Suffolk or Columbia rams for 35-day breeding season. The ewes were wintered outdoors on average quality alfalfa hay fed at a level to meet their NRC (1985) requirements and were not fed any concentrate during late gestation or lactation.
ISSN:1044-0046
1540-7578
DOI:10.1300/J064v30n04_07