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 “"feed conversion efficiency"”.
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Influence of Diet and Environmental Variation on Physiological Responses of Juvenile Pallid Sturgeon (Scaphirhynchus albus)
… propagation program. In this study, I compared feeding, growth and energy status of juvenile pallid sturgeon fed a commercial or invertebrate diet and explore whether pallid sturgeon exhibit physiological adaptations based on recent, genetic stock structure analysis. To compare growth, food …
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Effects of mixer type on utilization of diets with increasing amounts of modified wet distillers grains with solubles for lactating dairy cattle
… replacing corn, SBM, and whole cottonseed. Feed DMI was less for KMF (P = 0.05), but was unaffected by MWDGS concentration (P = 0.39). Milk production did not differ (P = 0.75) by concentration of MWDGS or by interaction of MWDGS × mixer (P = 0.18). Milk protein content tended (P = 0.09) to …
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Feeding strategies to enhance gilt reproduction and subsequent longevity and productivity in the breeding herd
… parities. Thus, utilization of an electronic sow feeder (ESF) enables caretakers to manage animals individually in group-housing situations, by allotting predetermined amounts of feed. The specific objectives of this study were to: 1) to determine the effects of AD or restricted (RS) feeding bases …
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An investigation of laying hen interactions with ammoniated environments by means of preference testing
… conditions have been proven to affect feed intake, feed conversion efficiency, weight gain, and to inhibit immune function, among other physiological aspects depending on the challenge to which animals are exposed. In addition, as concerns regarding the humane management of animals rise …
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Investigating the effects of free lactation crates on sow and piglet welfare
… weight gain did not affect ADFI (average daily feed intake) and resulted in Free pigs having a significantly better FCE (feed conversion efficiency) in the weaner stage. There was a reduction in days to slaughter with free pigs reaching the 105kg target weigh in 147.56 days compared with 149.23 …
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Nature and nurture: genetic strains of broiler chickens housed in varying levels of environmental complexity
… showed lower anxiety through more broilers feeding and showing less vigilance during the attention bias test. Complex environments decreased anxiety in early life but anxiety increased to similar levels as those raised in simple environments as broilers gained weight. Anxiety, shown through …
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Agronomic potential of Lupinus polyphyllus L. for dryland Merino properties in the Mackenzie Basin : A thesis submitted in partial fulfilment of the requirements for the Degree of Doctor of Philosophy at Lincoln University
… The use of perennial lupin as a suitable feed for a commercial Merino ewe flock was evaluated in an on-farm study at Sawdon Station, Lake Tekapo. The performance of ewes and lambs grazing a lupin-based pasture was compared with a control flock that was predominantly grazing lucerne. The …
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The evaluation of the nutritive value of Baobab seed cake and Macadamia oil cake as feed for ruminants
… and Baobab seed cake as nutrient supplements for feedlot animals. Several experiments were carried-out to evaluate the nutritive value of Macadamia oil cake and Baobab seed cake as feed for ruminants. The nutrient composition of the cakes were determined using both proximate and modern methods of …