This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.

Thesis (M.S.)--University of Missouri-Columbia, 2008. / The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed Sept. 19, 2008). Includes bibliographical references.

Call number: LD2668 .T4 1952 P55 / Master of Science

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This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.

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Relatively few investigations have been made on the salivary glands of the chick. Owen (1866) appears to be the first author to describe these "little developed glands". [...]

The aim of the four studies reported in this thesis was to evaluate the effects of the inclusion of lupins in the diets for broiler chicks, and to evaluate any effect of enzyme supplementation on performance of birds fed lupin-based diets.  Five types of lupin were used in the studies.  Two determinate cultivars of <i>Lupinus albus, </i>Lucyane and Ludet, and two dwarf cultivars of <i>Lupinus albus, </i>Luniverse and Lucille.  One cultivar of <i>L. luteus </i>cv. Wodjil was also used.  The nutritive value of the lupins was determined by two precision feeding studies.  The value of including the lupins in diets for broilers was evaluated using two growth trails.  One trial was conducted using birds grown from 7-28 days and the other using birds grown from 0-13 days.  The use of sialic acid as a measure of endogenous losses was also investigated.  Effects of the diets on microflora in the birds gastro-intestinal tract were determined using GC profiling of the caecal contents. The five lupin types used in the study had protein levels that were similar to soyabean meal. Results of all studies indicated that the different cultivars of lupin behaved very differently, and therefore need to be considered separately in terms of which enzyme to use and levels of supplementation.  It cannot be assumed that all lupins will respond in the same way to enzyme supplementation.  The results of both growth studies showed that the two types of lupin cultivar, determinate and dwarf, respond differently to enzyme supplementation.  This is possibly due to the different routes of plant breeding. It was clear from the study that the effects of lupin inclusion, enzyme supplementation and the interactions between the two are very complex.  Further investigations of the mechanisms behind the effects are recommended.