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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 20 of 50 for “"feed additives"”.
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FUNCTIONAL FEED ADDITIVES FOR ANIMAL HEALTH
… through the supplementation of ingredients and additives which contain bioactive molecules that positively impact on health. Functional feed ingredients and additives possess bioactive characteristics, such as antibacterial and antioxidant activities, capable of contrasting infections and …
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Pharmacological Screening of Some Medicinal Plants as Antimicrobial and Feed Additives
… conducted to investigate the antibacterial and feed additive potential of medicinal plants. Ethanol extracts of different medicinal plants including Curcuma longa (Turmeric), Zingiber officinale (Ginger), Piper nigrum (Black Pepper), Cinnamomum cassia (Cinnamon), Thymus vulgaris (Thyme), Laurus …
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Effects of feed additives on uterine morphology and selected reproductive attributes
… supplementation has demonstrated efficacy as a feed additive capable of reducing the detrimental effects of stress. As such, its application in dairy production may help to alleviate economic losses associated with seasonal heat stress and the stress experienced during the early postpartum …
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Methylsulfonylmethane and anti-IL10 antibody: Novel feed additives for supporting poultry health
… to evaluate the beneficial effects of 2 novel feed additives, methylsulfonylmethane (MSM) and anti-IL10 antibody contained in a dried egg product (DEP), in improving immunity and antioxidant capacity of birds during oxidative stress and coccidiosis. Methylsulfonylmethane is an organic, …
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Evaluation of Feed Ingredients and Feed Additives on Poultry Performance and Health
The grinding of feed ingredients is a major contributor to the costs of poultry production and there is no optimal ingredient particle size for corn or calcium (Ca). Optimization of ingredient particle size can alleviate costs, improve growth and production, and promote sustainability. Intestinal …
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Effects of Commercial Feed Additives on Growth Performance and Gut Microbiota of Nursery Pigs
… secure animal welfare and maximum production, feed additives are often added to nursery pig diets to increase nutrition digestibility, enhance intestinal health, and prevent or mitigate disease, with the ultimate goal of improving growth performance. This thesis performed a longitudinal …
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Performance and Microbial Profiles of Broiler Chickens fed Phytogenic Feed Additives or Probiotics during Coccidiosis
… alternatives, such as probiotics and phytogenic feed additives (PFAs). Two separate studies were performed to evaluate the performance and microbial profiles of commercial broilers fed either PFAs or Eimeria challenged broilers fed probiotics. During the probiotics study, 1056 day-old male Ross …
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The Effect of Various Feed Additives on Growth Performance, Nutrient Utilization, and Cecal Microbial Populations in Poultry
… no significant improvements in weight gain and feed efficiency in any dietary treatment. The final study evaluated whole wheat, whole sorghum, and whole barley. In general, the results showed that whole wheat, whole sorghum, and whole barley could be included in a young chick's diet from 0 to 21 …
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Effect of Feed Additives and Toxic Elements on Swine Growth Performance, Nutrient Digestibility, Immune Function and Reproductive Performance
… during phase 3. These studies demonstrate that feeding nursery pigs with peptide in combination with acidifiers improved growth performance similar to that observed in pigs fed high levels of zinc oxide, indicating that acidifiers may be an alternative to high levels of ZnO in weaned pigs diets …
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Evaluating the efficacy of brewers’ yeast-derived functional feed additives in mitigating soybean meal-induced enteritis in Atlantic salmon
… function. Meanwhile, the use of functional feed additives such as those derived from brewers’ yeast (Saccharomyces cerevisiae) have emerged as a promising strategy to mitigate such diet-induced pathologies and support immune regulation. This thesis investigates the efficacy of structurally …
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Impact of Brewing Industry Byproducts Used as Feed Additives for Aquaculture-Raised Fish: Studies of the Host-Microbe Relationship
… society. As there is an increased demand to feed a growing human population, many wild-caught fisheries have struggled due to the overexploitation of resources. Currently, production relies heavily on wild-caught fish to produce fishmeal to feed farm-raised fish. The demand for alternative …
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Impact of feed additives in swine diets and the effect of corn particle size on metabolizable energy in gestating sows
… were conducted to analyze the effect of 5 feed additives on PEDv and PRRSv in a feed matrix. A fourth study was conducted to analyze the effect of corn particle size on digestible and metabolizable energy in gestating sows. In experiment 1, 5 treatments consisting of a control, or the …
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Effects of dietary feed additives on the performance and gastrointestinal health of broilers exposed with coccidial spores and varying litter conditions
… investigates the effectiveness of dietary feed additives, essential oils (garlic and cinnamon), betaine, butyrate, and benzoic acid, on broilers raised under coccidial challenges and varying litter conditions such as differences in moisture content and reuse of litter, focusing on their …
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A comparison of virginiamycin and a lactobacillus probiotic as feed additives for swine and the effects of virginiamycin supplementation and crowding stress on swine performance
Two experiments were conducted to compare the feedlot performance of swine fed diets containing a commercially available lactobacillus probiotic and virginiamycin, a gram-positive antibiotic (experiment I) and to evaluate the feedlot performance of starter and grower-finisher swine housed under …
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The nutritional effects of selected algae, prebiotics and commercial herbal feed additives on the growth rate and health of juvenile spotted grunter, Pomadasys commersonnii (Pisces: Haemulidae)
… of fish meal. Fish meal is a nutrient rich feed that contains essential amino acids and fatty acids, which are required to maintain optimum growth and health of an animal. It is traditionally used in aquaculture to promote feed efficiency, nutrient uptake and feed intake due to its high …
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The development and application of liquid chromatographic - mass spectrometric methods for the veterinary drugs carbadox and olaquindox
The use of veterinary drugs and zootechnical feed additives has become widespread in modern agricultural practice. Each Member State of the European Union is required to monitor for residues of these compounds in animal tissue and animal products that are intended for human consumption. From 1st …
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Effects of Host-derived Probiotics on the Growth Performance and Health of Tilapia and Carp
… carpio</i>), and their influence on growth, feed utilisation, intestinal integrity and microbiome, and mucosal health of the host.<br/>A total of 263 intestinal bacterial isolates were screened <i>in vitro</i> for antagonism against <i>Aeromonas hydrophila</i> and <i>Streptococcus iniae</i>. …
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ENVIRONMENTAL BENEFIT AND BURDEN OF POSTBIOTICS IN ANIMAL NUTRITION
The EU Sustainability Goals (NP/EFSA/FEEDCO/2022/02) heavily relies on feed additives. The revision of the feed additives regulation is one of the goals of the Farm to Fork strategy. Its primary objective is to encourage innovation in feed additives, especially those that help reduce the use of …
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Nutritional Evaluation of Corn Distillers Dried Grains With Solubles (Ddgs) for Poultry
… samples. Both phytase enzyme and citric acid feed additives improved the bioavailability of P in DDGS. Increased heat processing of DDGS also increased bioavailability of P in DDGS, but it also decreased protein quality, particularly lysine digestibility. Particle sizes ranging from 542 to 837 …
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