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Articles 1 - 6 of 6
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Use Of Condensed Tannins Supplementation And Inorganic Copper As Deworming Agents In Naturally Infected Ewes And Lambs, Moara De Santana Martins
Use Of Condensed Tannins Supplementation And Inorganic Copper As Deworming Agents In Naturally Infected Ewes And Lambs, Moara De Santana Martins
LSU Master's Theses
Sheep production is an important socioeconomic activity for the small producers and it can represent their primary income source. Gastrointestinal parasites have become the principal limiting factor for this industry around the world, especially because of the anthelmintic resistance phenomenon that has been increasing worldwide. The negligent use of anthelmintics has been reported as the main factor in the development of resistance. Among the parasites that infect sheep, H. contortus is considered the most harmful and also the parasite responsible for the fastest development of nematode resistance in small ruminants. Due to the economic impact this parasite may bring upon …
Intravenous Injection Of Insulin For Measuring Insulin Sensitivity In Horses: Effects Of Epinephrine, Feeding Regimen, And Supplementation With Cinnamon For Fish Oil, Lisa Rosalee Earl
Intravenous Injection Of Insulin For Measuring Insulin Sensitivity In Horses: Effects Of Epinephrine, Feeding Regimen, And Supplementation With Cinnamon For Fish Oil, Lisa Rosalee Earl
LSU Master's Theses
Seven experiments were performed to assess the use of glucose responses to insulin injections as a means of estimating insulin sensitivity in horses; to compare the insulin sensitivities of normal horses vs. those displaying hyperleptinemia; and to put this method into practical application. Experiment 3.1 examined dose-responses in mares of potentially different insulin sensitivities. Recombinant human insulin was injected at doses of 8, 20, 50, and 125 mU/kg BW, as needed, to estimate the dose of insulin causing a 50% decrease in glucose concentrations (ED50). Five mares each of low leptin concentrations (LL) and low BCS, LL and high BCS, …
Development And Permeability Of Equine Blastocysts, Brittany Reshel Scott
Development And Permeability Of Equine Blastocysts, Brittany Reshel Scott
LSU Master's Theses
Equine embryo cryopreservation is unsuccessful in larger, more easily collected, day-7 embryos. It is imperative that methods to successfully cryopreserve large equine embryos or develop reliable methods to determine embryo size before collection. Therefore the objectives for this study were to quantify the amount of tritiated glycerol that would permeate various sizes of equine embryos and to determine if circulating progesterone concentration was correlated with in utero embryo size. Mean embryo diameter (± SEM) across treatments (1.4M and 3.4M tritiated glycerol) was 696.5µm ± 108.6µm and 925.9 µm ± 214.1µm, respectively and were not different (P=0.44). The percent permeation for …
Effects Of Resistant Starch In Milk Replacer On Health And Performance In Neonatal Holstein Heifer Calves, Bethany Leann Fisher
Effects Of Resistant Starch In Milk Replacer On Health And Performance In Neonatal Holstein Heifer Calves, Bethany Leann Fisher
LSU Master's Theses
Forty-two female Holstein calves were assigned to one of three treatments at d 2 of age to study the effects of adding resistant starch (RS) to the milk replacer on health and performance. Treatments were control (0g RS), 4g RS, or 8g RS mixed into the reconstituted milk replacer. Calves were housed in individual calf hutches and fed milk replacer once daily until d 42 of age. Water and an 18% crude protein calf starter were offered ad libitum beginning d 3 throughout the duration of the 56 d trial. Calves remained in their hutches until d 56 of age …
Optimizing The Feeding Time For Low Crude Protein, Amino Acid-Supplemented Diets For Broilers, Stephen T. Treese
Optimizing The Feeding Time For Low Crude Protein, Amino Acid-Supplemented Diets For Broilers, Stephen T. Treese
LSU Master's Theses
The objectives of this research were to determine whether delaying the feeding of a diet with reduced crude protein, supplemented with L-Lysine, for several days post-hatching, would result in improved growth performance of broiler chicks and determine an optimal time to feed such a diet to the chick. All experiments were conducted in brooder batteries from 0- to 14- or 18- days (d) post-hatching. Treatments contained a minimum of 6 replicate pens with at least 6 broilers per pen. Two experiments were conducted to determine whether delaying the feeding of a corn-soybean meal (SBM) diet with reduced CP for either …
Influence Of Low Sonication Intensities At Different Temperatures On Acid Tolerance, Bile Tolerance, Protease Activity And Growth Of Yogurt Culture Bacteria Lactobacillus Delbrueckii Ssp. Bulgaricus And Streptococcus Salivarius Ssp. Thermophilus, Marvin L. Moncada Reyes
LSU Master's Theses
Streptococcus salivarius ssp. thermophilus and Lactobacillus delbrueckii ssp. bulgaricus are dairy cultures widely used in the dairy industry. Low sonication intensity condition is a non-destructive technique that uses sound waves to cause cavitation in aqueous solutions and may improve the permeability of membranes, speed up the transfer of substrates and promote cellular growth and propagation. The objective of this study was to determine the effect of low sonication intensities at different temperatures on acid tolerance, bile tolerance, protease activity and growth of the two dairy cultures. The cultures were freshly thawed and suspended in 0.1% peptone water and 18 ml …