2016
DOI: 10.5433/1679-0359.2016v37n2p947
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Abstract: The objective of this study was to evaluate the effect of sex class (castrated; non-castrated) and level of food restriction (0%, 30% and 60% of ad libitum consumption) on the quantitative composition of carcass and non-carcass components of Santa Ines lambs. A completely randomized 3x2 design (restriction level x sex class) was used to evaluate thirty lambs approximately two months of age with an average initial body weight of 13 ± 1.49 kg. When the average body weight of the animals in one of the treatment g… Show more

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(1 citation statement)
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“…This is relevant because the intake of MR can be reduced on farm due to unhealthy status of the lambs, environmental conditions (e.g., hot weather during the summer; good/bad barn hosting the lambs), or inadequate management of the artificial MR, thus lowering profitability during postweaning phases. Similar to other studies under feed restriction conditions (Drouillard et al, 1991;dos Santos et al, 2016), the RES preweaned lambs were slaughtered with a lower LBW, which explains the reduced weight of all the organs and carcass or noncarcass components registered at slaughter (data not shown). However, it must be stressed that the proportion of several parts of the gut (e.g., reticulorumen and abomasum) was increased when calculated as a percentage of the EDT, whereas the average villus height in the ileal epithelium was shorter in the RES preweaned lamb.…”
Section: Discussionsupporting
confidence: 80%
“…This is relevant because the intake of MR can be reduced on farm due to unhealthy status of the lambs, environmental conditions (e.g., hot weather during the summer; good/bad barn hosting the lambs), or inadequate management of the artificial MR, thus lowering profitability during postweaning phases. Similar to other studies under feed restriction conditions (Drouillard et al, 1991;dos Santos et al, 2016), the RES preweaned lambs were slaughtered with a lower LBW, which explains the reduced weight of all the organs and carcass or noncarcass components registered at slaughter (data not shown). However, it must be stressed that the proportion of several parts of the gut (e.g., reticulorumen and abomasum) was increased when calculated as a percentage of the EDT, whereas the average villus height in the ileal epithelium was shorter in the RES preweaned lamb.…”
Section: Discussionsupporting
confidence: 80%