Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"lamb growth"”.
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Nutritional constraints to lamb growth at pasture
… nutrient supply were measured in early weaned lambs grazing pure species swards of Rere lucerne (Medicago sativa, L), Huia white clover (Trifolium repens, C), Ruanui perennial ryegrass (Lolium perenne, R) and Matua prairie grass (Bromus catharticus, P). A study of the factors regulating intake …
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Pädiatrische tissue engineerte Herzklappen auf Basis einer Fibringelmatrix : Optimierung des Herstellungs- und Konditionierungsprozesses
… it necessary to replace them. Due to the lack of growth potential, as well as other disadvantages of currently used heart valve prostheses, the supply of children with congenital heart defects is currently unsatisfactory. With the help of tissue engineering completely autologous and growing heart …
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Evaluation of terminal sire breeds for hair sheep production systems
Terminal sire crossbreeding systems which improve growth performance while maintaining parasite resistance have the potential to enhance the profitability of hair sheep enterprises. Katahdin (KT, n = 4), Suffolk (SU, n = 3), and Texel (TX, n = 3) rams were randomly mated to KT ewes over two years …
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The welfare and production implications of fostering methods in sheep
… that allows the successful rearing of abandoned lambs onto other ewes, or the ability to provide surplus lambs a new mother in the case of triplets. Past research has focused on the success rates of the varying methods available, however, more research is needed to increase the knowledge about …
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Lamb performance, behavior, and body temperatures in hardwood silvopasture systems
… Pastures were rotationally stocked with 5-7 lambs depending on forage availability. Lambs were weighed every four weeks. Behavior measures were recorded within a replicate within a week, and these measures were taken sequentially within three experimental periods. Ewe lambs (n = 3) were …
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A computational approach to understanding maternal influences on the development of ruminant neonates
… mammary gland secretion rich in immunoglobulins, growth factors, cytokines, and viable maternal cells, which help the newborns to bypass this critical developmental period. While the detrimental effects associated with the failure of passive transfer of colostral immunoglobulins on neonatal …
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The profitability of nitrogen fertiliser usage on Canterbury irrigated sheep farms
… and application rate, and was most apparent when lambing rate was increased to 140%. Spring applied nitrogen responses generally occurred too late to reduce the supplementation requirement. The increase in feed requirements which occurred when lambing rate increased from 120 to 140% could have …