Open Access. Powered by Scholars. Published by Universities.®

Life Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Animal Sciences

University of Kentucky

Series

Keyword
Publication Year
Publication
File Type

Articles 1 - 30 of 152

Full-Text Articles in Life Sciences

Implementing A Service Dog Registration In The United States, Avary Martin Jan 2023

Implementing A Service Dog Registration In The United States, Avary Martin

Lewis Honors College Thesis Collection

The presence of fake service animals in public spaces is increasing every day. These mislabeled dogs are posing a great danger to working service dogs and the rights of the handlers that utilize them. In order to reduce the number of fake service dogs in public and ensure equal accessibility to service dog users, a service dog registration should be implemented across the United States. Requiring a public access test to be conducted before a dog can be registered would ensure that any dog working in public has reached the standard of behavior required to be a service dog. This …


1-Back Matching And Mismatching By Pigeons, Thomas Zentall Jan 2023

1-Back Matching And Mismatching By Pigeons, Thomas Zentall

Psychology Research Data

No abstract provided.


Association Of A Green Tea Extract With Serum Immunoglobulin G Status And Neonatal Vitality In Newborn Dairy Calves, M. E. Reis, Melissa C. Cantor, C. M. M. Bittar, Joao H. C. Costa Nov 2022

Association Of A Green Tea Extract With Serum Immunoglobulin G Status And Neonatal Vitality In Newborn Dairy Calves, M. E. Reis, Melissa C. Cantor, C. M. M. Bittar, Joao H. C. Costa

Animal and Food Sciences Faculty Publications

Poor vigor at birth has been associated with reduced IgG absorption from colostrum and a reduced vitality in neonatal dairy calves. Some natural compounds, such as green tea extract, may improve vitality in compromised calves. The objective of this randomized controlled trial was to evaluate the potential of supplementing a green tea extract (15 mL) to calves to improve vigor and activity behavior for the first 72 h postnatal. Also, this study aimed to investigate the influence of green tea extract supplementation on calf serum IgG concentration and the apparent efficiency of absorption (AEA) of colostral IgG. Holstein calves (n …


Body Condition Score Change Throughout Lactation Utilizing An Automated Bcs System: A Descriptive Study, Carissa M. Truman, Magnus R. Campler, Joao H. C. Costa Feb 2022

Body Condition Score Change Throughout Lactation Utilizing An Automated Bcs System: A Descriptive Study, Carissa M. Truman, Magnus R. Campler, Joao H. C. Costa

Animal and Food Sciences Faculty Publications

Body condition scoring (BCS) is a traditional visual technique often using a five-point scale to non-invasively assess fat reserves in cattle. However, recent studies have highlighted the potential in automating body condition scoring using imaging technology. Therefore, the objective was to implement a commercially available automated body condition scoring (ABCS) camera system to collect data for developing a predictive equation of body condition dynamics throughout the lactation period. Holstein cows (n = 2343, parity = 2.1 ± 1.1, calving BCS = 3.42 ± 0.24), up to 300 days in milk (DIM), were scored daily using two ABCS cameras mounted …


Development And Utilization Of An Isolation Box Test To Characterize Personality Traits Of Dairy Calves, Megan Marie Woodrum Setser, Heather W. Neave, Eric S. Vanzant, Joao H. C. Costa Feb 2022

Development And Utilization Of An Isolation Box Test To Characterize Personality Traits Of Dairy Calves, Megan Marie Woodrum Setser, Heather W. Neave, Eric S. Vanzant, Joao H. C. Costa

Animal and Food Sciences Faculty Publications

The use of an isolation box test (IBT) to characterize personality traits has been used in non-bovine species with success. We aimed to develop an IBT for dairy calves and determine if the behavioral responses to an IBT were associated with personality traits found from traditional tests (novel person, novel object, and a startle tests) and average daily gain (ADG; Kg/d) through weaning. Calf movement while in the IBT was measured via accelerometers attached to 5 locations on the exterior of the box. A total movement index (TMI) was calculated based on accelerometer readings during the IBT. We performed a …


Form Of Supplemental Selenium Affects The Expression Of Mrna Transcripts Encoding Selenoproteins, And Proteins Regulating Cholesterol Uptake, In The Corpus Luteum Of Grazing Beef Cows, Sarah N. Carr, Benjamin R. Crites, Joy L. Pate, Camilla H. K. Hughes, James C. Matthews, Phillip J. Bridges Jan 2022

Form Of Supplemental Selenium Affects The Expression Of Mrna Transcripts Encoding Selenoproteins, And Proteins Regulating Cholesterol Uptake, In The Corpus Luteum Of Grazing Beef Cows, Sarah N. Carr, Benjamin R. Crites, Joy L. Pate, Camilla H. K. Hughes, James C. Matthews, Phillip J. Bridges

Animal and Food Sciences Faculty Publications

Selenium (Se)-deficient soils necessitate supplementation of this mineral to the diet of forage-grazing cattle. Functionally, Se is incorporated into selenoproteins, some of which function as important antioxidants. We have previously shown that the source of supplemental Se; inorganic (sodium selenite or sodium selenate; ISe), organic (selenomethionine or selenocysteine; OSe) or 1:1 mix of ISe and OSe (MIX), provided to Angus-cross cows affects concentrations of progesterone (P4) during the early luteal phase of the estrous cycle. In this study, we sought to investigate (1) the effect of form of Se on the expression of mRNA encoding selenoproteins in the corpus luteum …


Associations Between Feeding Behaviors Collected From An Automated Milk Feeder And Neonatal Calf Diarrhea In Group Housed Dairy Calves: A Case-Control Study, Meridith H. Conboy, Charlotte B. Winder, Melissa C. Cantor, Joao H. C. Costa, Michael A. Steele, Catalina Medrano-Galarza, Taika E. Von Konigslow, Amanda Kerr, Dave L. Renaud Jan 2022

Associations Between Feeding Behaviors Collected From An Automated Milk Feeder And Neonatal Calf Diarrhea In Group Housed Dairy Calves: A Case-Control Study, Meridith H. Conboy, Charlotte B. Winder, Melissa C. Cantor, Joao H. C. Costa, Michael A. Steele, Catalina Medrano-Galarza, Taika E. Von Konigslow, Amanda Kerr, Dave L. Renaud

Animal and Food Sciences Faculty Publications

The objective of this case-control study was to determine if feeding behavior data collected from an automated milk feeder (AMF) could be used to predict neonatal calf diarrhea (NCD) in the days surrounding diagnosis in pre-weaned group housed dairy calves. Data were collected from two research farms in Ontario between 2017 and 2020 where calves fed using an AMF were health scored daily and feeding behavior data (milk intake (mL/d), drinking speed (mL/min), number of rewarded or unrewarded visits) was collected. Calves with NCD were pair matched to healthy controls (31 pairs) by farm, gender, and age at case diagnosis …


Nutritional And Physiological Constraints Contributing To Limitations In Small Intestinal Starch Digestion And Glucose Absorption In Ruminants, Ronald J. Trotta, David L. Harmon, James C. Matthews, Kendall C. Swanson Dec 2021

Nutritional And Physiological Constraints Contributing To Limitations In Small Intestinal Starch Digestion And Glucose Absorption In Ruminants, Ronald J. Trotta, David L. Harmon, James C. Matthews, Kendall C. Swanson

Animal and Food Sciences Faculty Publications

Increased efficiency of nutrient utilization can potentially be gained with increased starch digestion in the small intestine in ruminants. However, ruminants have quantitative limits in the extent of starch disappearance in the small intestine. The objective is to explore the nutritional and physiological constraints that contribute to limitations of carbohydrate assimilation in the ruminant small intestine. Altered digesta composition and passage rate in the small intestine, insufficient pancreatic α-amylase and/or small intestinal carbohydrase activity, and reduced glucose absorption could all be potentially limiting factors of intestinal starch assimilation. The absence of intestinal sucrase activity in ruminants may be related to …


Influence Of Prolonged Serotonin And Ergovaline Pre-Exposure On Vasoconstriction Ex Vivo, Eriton E. L. Valente, David L. Harmon, James L. Klotz Dec 2021

Influence Of Prolonged Serotonin And Ergovaline Pre-Exposure On Vasoconstriction Ex Vivo, Eriton E. L. Valente, David L. Harmon, James L. Klotz

Animal and Food Sciences Faculty Publications

Ergot alkaloid mycotoxins interfere in many functions associated with serotonergic neurotransmitters. Therefore, the objective was to evaluate whether the association of serotonin (5-hydroxytryptamine, 5-HT) and ergot alkaloids during a 24 h pre-incubation could affect the vascular contractile response to ergot alkaloids. To evaluate the effects of 24 h exposure to 5-HT and ergot alkaloids (ergovaline, ERV), two assays were conducted. The first assay determined the half-maximal inhibitory concentration (IC50)following the 24 h pre-exposure period, while the second assay evaluated the effect of IC50 concentrations of 5-HT and ERV either individually or in combination. There was an interaction …


Synthesis, Evaluation, And Characterization Of An Ergotamine Imprinted Styrene-Based Polymer For Potential Use As An Ergot Alkaloid Selective Adsorbent, Manoj B. Kudupoje, Eric S. Vanzant, Kyle R. Mcleod, Alexandros Yiannikouris Nov 2021

Synthesis, Evaluation, And Characterization Of An Ergotamine Imprinted Styrene-Based Polymer For Potential Use As An Ergot Alkaloid Selective Adsorbent, Manoj B. Kudupoje, Eric S. Vanzant, Kyle R. Mcleod, Alexandros Yiannikouris

Animal and Food Sciences Faculty Publications

Alkaloid toxicities negatively impact livestock health and production. To assess alkaloid occurrences, adsorbent technologies may offer effective means to their extraction and isolation from a complex feed matrix. In this study, molecularly imprinted polymers (MIPs) were synthesized and evaluated for their specificity of binding to various ergot alkaloids. Co-polymers of styrene and hydroxyethyl methacrylate were synthesized in the absence or presence of an ergotamine (ETA) template, yielding non-imprinted polymer (NIP) and molecularly imprinted polymer (MIP), respectively. The influence of parameters such as pH, temperature, and initial concentration on the adsorption of ergot alkaloids was evaluated along with their application as …


Characterization Of Indoor Arenas Through An Anonymous Survey, Staci Mcgill, Morgan D. Hayes, Kimberly I. Tumlin, Robert Coleman Oct 2021

Characterization Of Indoor Arenas Through An Anonymous Survey, Staci Mcgill, Morgan D. Hayes, Kimberly I. Tumlin, Robert Coleman

Biosystems and Agricultural Engineering Faculty Publications

Equine farms are building both stables for the horses to live in and additional facilities to train and work horses (Kidd et al., 1997). For many of these farms, an outdoor arena that has an all-weather footing is the first working facility built. During inclement weather the ability to train in the outdoor arenas is inhibited, which in turn means the trainers, riders, and farms lose income as money is only made when horses are working, training, and competing. Indoor arenas allow for horses to continue to be worked no matter the weather conditions. The equine industry contributes a total …


Autoradiographic Localization Of [3h]-Nisoxetine Binding Sites In The Cns Of Male And Female Japanese Quail, Shannon E. Eaton, James R. Pauly, Deann M. Hopkins, Chana K. Akins Sep 2021

Autoradiographic Localization Of [3h]-Nisoxetine Binding Sites In The Cns Of Male And Female Japanese Quail, Shannon E. Eaton, James R. Pauly, Deann M. Hopkins, Chana K. Akins

Pharmaceutical Sciences Faculty Publications

Background

In the central nervous system of mammals, transporters localized on the presynaptic nerve terminals regulate the reuptake of neurotransmitters. These transporters are selective for a specific neurotransmitter such as dopamine (DA) and norepinephrine (NE). Specifically in the synapse, the dopamine transporter (DAT) reuptakes DA and the norepinephrine transporter (NET) reuptakes NE. However previous research has found that avian species do not have a gene for DAT, and therefore, birds may be using the NET to clear both NE and DA from the synapse. The current study aimed to extend this finding by localizing NET expression in male and female …


Judgement Bias In Miniature Donkeys: Conditioning Factors And Personality Links, Maria Pinto, Francisco Javier Navas González, Camie Heleski, Amy Mclean Sep 2021

Judgement Bias In Miniature Donkeys: Conditioning Factors And Personality Links, Maria Pinto, Francisco Javier Navas González, Camie Heleski, Amy Mclean

Animal and Food Sciences Faculty Publications

Expectation-related bias may configure individuals’ perception of their surrounding environment and of the elements present in it. This study aimed to determine the repercussions of environmental (weather elements) or subject-inherent factors (sex, age, or personality features) on judgment bias. A cognitive bias test was performed in eight Miniature jennies and four jacks. Test comprised habituation, training and testing phases during which subjects were trained on how to complete the test and scored based on their latency to approach an ambiguous stimulus. A questionnaire evaluating eleven personality features was parallelly completed by three caretakers, five operators and two care assistants to …


A Narrative Review On The Unexplored Potential Of Colostrum As A Preventative Treatment And Therapy For Diarrhea In Neonatal Dairy Calves, Havelah S. M. Carter, David L. Renaud, Michael A. Steele, Amanda J. Fischer-Tlustos, Joao H. C. Costa Jul 2021

A Narrative Review On The Unexplored Potential Of Colostrum As A Preventative Treatment And Therapy For Diarrhea In Neonatal Dairy Calves, Havelah S. M. Carter, David L. Renaud, Michael A. Steele, Amanda J. Fischer-Tlustos, Joao H. C. Costa

Animal and Food Sciences Faculty Publications

Diarrhea is the leading cause of morbidity and mortality in pre-weaned dairy calves and, as such, represents a significant animal health and welfare concern. Furthermore, digestive disease early in life is associated with several long-term consequences such as reduced growth rate and decreased milk yield during the first lactation, thus generating severe economic losses. The majority of diarrheic cases in young calves are treated with antimicrobials; however, it is necessary to develop alternative treatments, as excessive antimicrobial usage can lead to antimicrobial resistance and can negatively impact the gut microflora of a calf. Bovine colostrum is abundant in immune and …


Effect Of Biochanin A On The Rumen Microbial Community Of Holstein Steers Consuming A High Fiber Diet And Subjected To A Subacute Acidosis Challenge, Brittany E. Harlow, Michael D. Flythe, James L. Klotz, David L. Harmon, Glen E. Aiken Jul 2021

Effect Of Biochanin A On The Rumen Microbial Community Of Holstein Steers Consuming A High Fiber Diet And Subjected To A Subacute Acidosis Challenge, Brittany E. Harlow, Michael D. Flythe, James L. Klotz, David L. Harmon, Glen E. Aiken

Animal and Food Sciences Faculty Publications

Subacute rumen acidosis (SARA) occurs when highly fermentable carbohydrates are introduced into the diet, decreasing pH and disturbing the microbial ecology of the rumen. Rumen amylolytic bacteria rapidly catabolize starch, fermentation acids accumulate in the rumen and reduce environmental pH. Historically, antibiotics (e.g., monensin, MON) have been used in the prevention and treatment of SARA. Biochanin A (BCA), an isoflavone produced by red clover (Trifolium pratense), mitigates changes associated with starch fermentation ex vivo. The objective of the study was to determine the effect of BCA on amylolytic bacteria and rumen pH during …


Alteration Of The Canine Metabolome After A 3-Week Supplementation Of Cannabidiol (Cbd) Containing Treats: An Exploratory Study Of Healthy Animals, Elizabeth M. Morris, Susanna E. Kitts-Morgan, Dawn M. Spangler, Ibukun M. Ogunade, Kyle R. Mcleod, David L. Harmon Jul 2021

Alteration Of The Canine Metabolome After A 3-Week Supplementation Of Cannabidiol (Cbd) Containing Treats: An Exploratory Study Of Healthy Animals, Elizabeth M. Morris, Susanna E. Kitts-Morgan, Dawn M. Spangler, Ibukun M. Ogunade, Kyle R. Mcleod, David L. Harmon

Animal and Food Sciences Faculty Publications

Despite the increased interest and widespread use of cannabidiol (CBD) in humans and companion animals, much remains to be learned about its effects on health and physiology. Metabolomics is a useful tool to evaluate changes in the health status of animals and to analyze metabolic alterations caused by diet, disease, or other factors. Thus, the purpose of this investigation was to evaluate the impact of CBD supplementation on the canine plasma metabolome. Sixteen dogs (18.2 ± 3.4 kg BW) were utilized in a completely randomized design with treatments consisting of control and 4.5 mg CBD/kg BW/d. After 21 d of …


Feeding Cannabidiol (Cbd)-Containing Treats Did Not Affect Canine Daily Voluntary Activity, Elizabeth M. Morris, Susanna E. Kitts-Morgan, Dawn M. Spangler, Jessica Gebert, Eric S. Vanzant, Kyle R. Mcleod, David L. Harmon Apr 2021

Feeding Cannabidiol (Cbd)-Containing Treats Did Not Affect Canine Daily Voluntary Activity, Elizabeth M. Morris, Susanna E. Kitts-Morgan, Dawn M. Spangler, Jessica Gebert, Eric S. Vanzant, Kyle R. Mcleod, David L. Harmon

Animal and Food Sciences Faculty Publications

Growing public interest in the use of cannabidiol (CBD) for companion animals has amplified the need to elucidate potential impacts. The purpose of this investigation was to determine the influence of CBD on the daily activity of adult dogs. Twenty-four dogs (18.0 ± 3.4 kg, 9 months−4 years old) of various mixed breeds were utilized in a randomized complete block design with treatments targeted at 0 and 2.5 mg (LOW) and at 5.0 mg (HIGH) CBD/kg body weight (BW) per day split between two treats administered after twice-daily exercise (0700–0900 and 1,700–1,900 h). Four hours each day [1,000–1,200 h (a.m.) …


Nutraceutical Intervention With Colostrum Replacer: Can We Reduce Disease Hazard, Ameliorate Disease Severity, And Improve Performance In Preweaned Dairy Calves?, Melissa C. Cantor, D. L. Renaud, Joao H. C. Costa Mar 2021

Nutraceutical Intervention With Colostrum Replacer: Can We Reduce Disease Hazard, Ameliorate Disease Severity, And Improve Performance In Preweaned Dairy Calves?, Melissa C. Cantor, D. L. Renaud, Joao H. C. Costa

Animal and Food Sciences Faculty Publications

The objective of this randomized clinical trial was to determine if an intervention with colostrum replacer (CR; Premolac Plus, Zinpro; 125 g/d fed for 3 d) or a placebo milk replacer (Cows Match, Land O'Lakes Inc.; 125 g/d for 3 d) following a triggered alarm could ameliorate disease bouts in dairy calves. The alarm was set to detect negative deviations of milk intake (20% reduction) or drinking speed (30% reduction) in relation to a calf's 12-d rolling average feeding behavior. Calves were enrolled on this study (n = 42 CR, n = 42 placebo) when they triggered an alarm from …


Coccidia Vaccine Challenge And Exogenous Enzyme Supplementation In Broiler Chicken 1. Effect On Digesta Viscosity, Diet Energy Utilization, And Apparent Metabolizable Energy Value Of Wheat, Andrew E. Dunaway, Sunday A. Adedokun Feb 2021

Coccidia Vaccine Challenge And Exogenous Enzyme Supplementation In Broiler Chicken 1. Effect On Digesta Viscosity, Diet Energy Utilization, And Apparent Metabolizable Energy Value Of Wheat, Andrew E. Dunaway, Sunday A. Adedokun

Animal and Food Sciences Faculty Publications

This study examined the effect of exogenous mixed-enzyme supplementation (xylanase, β-glucanase, and pectinase) to a corn-SBM (CS) and a wheat-CS-based (WCS) diet in birds challenged with coccidia vaccine (Coccivac B-52™). The WCS-based diet was produced by replacing 30% of the energy-yielding portions of the CS-based diet with wheat. On day 14, 448 (n = 7) Cobb by-product breeder male broilers were assigned to a 2 (diet types) × 2 (with or without enzyme supplementation) × 2 (0 or 20 × coccidia vaccine challenge; CVC) factorial arrangement of treatments in a completely randomized design for the determination of the apparent …


Broiler Genetics Influences Proteome Profiles Of Normal And Woody Breast Muscle, Xue Zhang, K. Virellia To, Tessa R. Jarvis, Yan L. Campbell, Jasmine D. Hendrix, Surendranath Suman, Shuting Li, Daniel S. Antonelo, Wei Zhai, Jing Chen, Haining Zhu, M. Wes Schilling Jan 2021

Broiler Genetics Influences Proteome Profiles Of Normal And Woody Breast Muscle, Xue Zhang, K. Virellia To, Tessa R. Jarvis, Yan L. Campbell, Jasmine D. Hendrix, Surendranath Suman, Shuting Li, Daniel S. Antonelo, Wei Zhai, Jing Chen, Haining Zhu, M. Wes Schilling

Animal and Food Sciences Faculty Publications

Wooden or woody breast (WB) is a myopathy of the pectoralis major in fast-growing broilers that influences the quality of breast meat and causes an economic loss in the poultry industry. The objective of this study was to evaluate growth and proteome differences between 5 genetic strains of broilers that yield WB and normal breast (NB) meat. Eight-week-old broilers were evaluated for the WB myopathy and divided into NB and WB groups. Differential expression of proteins was analyzed using 2-dimensional gel electrophoresis and LC-MS/MS to elucidate the mechanism behind the breast myopathy because of the genetic …


Prenatal And Postnatal Nutrition Influence Pancreatic And Intestinal Carbohydrase Activities Of Ruminants, Ronald J. Trotta, Kendall C. Swanson Jan 2021

Prenatal And Postnatal Nutrition Influence Pancreatic And Intestinal Carbohydrase Activities Of Ruminants, Ronald J. Trotta, Kendall C. Swanson

Animal and Food Sciences Graduate Research

In ruminant livestock species, nutrition can play an important role in the long-term programming of gastrointestinal function. Pancreatic and small intestinal digestive enzymes are important for postruminal digestion of carbohydrates and protein. Carbohydrases have been shown to respond to changes in the level of feed intake and the dietary inclusion of specific nutrients, including arginine, butyrate, folic acid, fructose, and leucine. Understanding how diet influences enzyme development and activity during prenatal and postnatal life could lead to the development of dietary strategies to optimize offspring growth and development to increase digestive efficiency of ruminant livestock species. More research is needed …


Rumen And Serum Metabolomes In Response To Endophyte-Infected Tall Fescue Seed And Isoflavone Supplementation In Beef Steers, Taylor B. Ault-Seay, Emily A. Melchior-Tiffany, Brooke A. Clemmons, Juan F. Cordero, Gary E. Bates, Michael D. Flythe, James L. Klotz, Huihua Ji, Jack P. Goodman, Kyle J. Mclean, Phillip R. Myer Nov 2020

Rumen And Serum Metabolomes In Response To Endophyte-Infected Tall Fescue Seed And Isoflavone Supplementation In Beef Steers, Taylor B. Ault-Seay, Emily A. Melchior-Tiffany, Brooke A. Clemmons, Juan F. Cordero, Gary E. Bates, Michael D. Flythe, James L. Klotz, Huihua Ji, Jack P. Goodman, Kyle J. Mclean, Phillip R. Myer

Kentucky Tobacco Research and Development Center Faculty Publications

Fescue toxicosis impacts beef cattle production via reductions in weight gain and muscle development. Isoflavone supplementation has displayed potential for mitigating these effects. The objective of the current study was to evaluate isoflavone supplementation with fescue seed consumption on rumen and serum metabolomes. Angus steers (n = 36) were allocated randomly in a 2 × 2 factorial arrangement of treatments including endophyte-infected (E+) or endophyte-free (E−) tall fescue seed, with (P+) or without (P−) isoflavones. Steers were provided a basal diet with fescue seed for 21 days, while isoflavones were orally administered daily. Following the trial, blood and rumen …


Grand Challenge In Animal Nutrition, David L. Harmon Nov 2020

Grand Challenge In Animal Nutrition, David L. Harmon

Animal and Food Sciences Faculty Publications

No abstract provided.


Regression-Derived Ileal Endogenous Amino Acid Losses In Broiler Chickens And Cannulated Pigs Fed Corn Fiber, Wheat Bran, And Pectin, Sunday A. Adedokun, Olayiwola Adeola Nov 2020

Regression-Derived Ileal Endogenous Amino Acid Losses In Broiler Chickens And Cannulated Pigs Fed Corn Fiber, Wheat Bran, And Pectin, Sunday A. Adedokun, Olayiwola Adeola

Animal and Food Sciences Faculty Publications

The objective of these studies was to determine the effect corn fiber (CF), wheat bran (WB) and pectin (PEC) on basal ileal endogenous amino acid (EAA) losses in broiler chickens (Exp. 1) and cannulated pigs (Exp. 2) using the regression method. Semi-purified diets containing 100 g/kg of CF, WB, or PEC (broiler chickens) and CF or PEC (pigs) were fed to replicate cages consisting of eight birds per cage of 21-d-old broiler chickens and six replicates of pigs consisting of one pig per pen. Ileal endogenous His, Glu, and Pro losses were higher (p < 0.05) for CF and WB compared with birds fed diets containing PEC. Contrasts between CF and WB showed higher (p < 0.05) ileal endogenous nitrogen, total amino acid, His, Ile, Met, Glu, Pro, and Tyr losses in birds fed the CF diets (Exp. 1). Contrasts of EAA losses between birds fed the WB and PEC diets showed higher (p < 0.05) losses for His, Glu, and Pro. In the cannulated pigs, CF resulted in higher (p < 0.05) ileal endogenous His, Leu, and Tyr losses. In summary, CF induced higher ileal EAA losses in broiler chickens and cannulated pigs.


Effect Of Folic Acid Supplementation And Dietary Protein Level On Growth Performance, Serum Chemistry And Immune Response In Weanling Piglets Fed Differing Concentrations Of Aflatoxin, Ding Wang, Merlin D. Lindemann, Mark J. Estienne Oct 2020

Effect Of Folic Acid Supplementation And Dietary Protein Level On Growth Performance, Serum Chemistry And Immune Response In Weanling Piglets Fed Differing Concentrations Of Aflatoxin, Ding Wang, Merlin D. Lindemann, Mark J. Estienne

Animal and Food Sciences Faculty Publications

Effects of folic acid and protein levels on growth and serum chemistry in pigs fed aflatoxin were determined in two experiments. Increasing aflatoxin (250 to 800 ppb) decreased (P < 0.05) weight gain and feed intake for both of the 35-day trials. In Experiment 1, increasing aflatoxin (0, 250, 500 ppb), increased linearly (P < 0.05) aspartate aminotransferase (AST), alkaline phosphatase (ALKP) and ɣ-glutamyl transferase (GGT). Folic acid (0, 2.0, 5.0, 12.5 ppm) increased linearly (P < 0.05) serum K, Ca, P, Mg, and AST with the largest effect observed at 12.5 ppm. Folic acid decreased (P < 0.05) blood urea nitrogen (BUN): creatinine and Na:K. In Experiment 2, aflatoxin (800 ppb) increased (P < 0.05) glucose and GGT, and decreased (P < 0.05) Na:K and albumin:globulin. Increasing protein from 15 to 18% elevated BUN: creatinine (P < 0.05), albumin: globulin (P < 0.05), albumin (P < 0.05) and ALKP (P < 0.05). Folic acid (2 ppm) elevated (P < 0.05) BUN, and interacted with both aflatoxin (P < 0.10) and protein (P < 0.05) on BUN. Adding folic acid to aflatoxin contaminated diets improved some measures of clinical chemistry in Experiment 1 but not traditional growth performance measures. The higher protein level reduced the effects of aflatoxicosis on growth.


Detection Of Organic Free Radicals And Reactive Oxygen Substances Using Chemically-Stimulated Luminescence From Structured Compound Semiconductors, William L. Boatright Oct 2020

Detection Of Organic Free Radicals And Reactive Oxygen Substances Using Chemically-Stimulated Luminescence From Structured Compound Semiconductors, William L. Boatright

Animal and Food Sciences Faculty Patents

A method of monitoring for the presence of an oxidizing chemical species in an aqueous or non-polar environment includes steps of exposing a structured compound semiconductor material to the oxidizing chemical species in the environment and detecting electromagnetic radiation emitted by the structured compound semiconductor material upon exposure to the oxidizing chemical species. The structured compound semiconductor material is a phytate scaffold material and a metal dopant.


Detection Of Hydroperoxides Using Chemically-Stimulated Luminescence From Structured Compound Semiconductors, William L. Boatright Sep 2020

Detection Of Hydroperoxides Using Chemically-Stimulated Luminescence From Structured Compound Semiconductors, William L. Boatright

Animal and Food Sciences Faculty Patents

A method of monitoring for the presence of a hydroperoxide in an aqueous or non-polar environment includes steps of exposing a structured compound semiconductor material with peroxidase activity to the hydroperoxide in the environment and detecting electromagnetic radiation emitted by the structured compound semiconductor material with peroxidase activity upon exposure to the hydroperoxide. The luminescence emitting semiconductor material with peroxidase activity consists of a primary semiconductor material with a dopant prepared on a phytate scaffold.


The Impact Of Feeding Cannabidiol (Cbd) Containing Treats On Canine Response To A Noise-Induced Fear Response Test, Elizabeth M. Morris, Susanna E. Kitts-Morgan, Dawn M. Spangler, Kyle R. Mcleod, Joao H. C. Costa, David L. Harmon Sep 2020

The Impact Of Feeding Cannabidiol (Cbd) Containing Treats On Canine Response To A Noise-Induced Fear Response Test, Elizabeth M. Morris, Susanna E. Kitts-Morgan, Dawn M. Spangler, Kyle R. Mcleod, Joao H. C. Costa, David L. Harmon

Animal and Food Sciences Faculty Publications

Interest is increasing regarding use of Cannabidiol (CBD) in companion animals due to anecdotal evidence of beneficial behavioral and health effects. The purpose of this investigation was to evaluate the influence of CBD on behavioral responses to fear-inducing stimuli in dogs. Sixteen dogs (18.1 ± 0.2 kg) were utilized in a replicated 4 × 4 Latin square design experiment with treatments arranged in a 2 × 2 factorial, consisting of control, 25 mg CBD, trazodone (100 mg for 10–20 kg BW, 200 mg for 20.1–40 kg BW), and the combination of CBD and trazodone. A fireworks model of noise-induced fear …


Synthetic Alkaloid Treatment Influences The Intestinal Epithelium And Mesenteric Adipose Transcriptome In Holstein Steers, Kyle J. Mclean, Ransom L. Baldwin Vi, Congjun Li, James L. Klotz, J. Lannett Edwards, Kyle R. Mcleod Sep 2020

Synthetic Alkaloid Treatment Influences The Intestinal Epithelium And Mesenteric Adipose Transcriptome In Holstein Steers, Kyle J. Mclean, Ransom L. Baldwin Vi, Congjun Li, James L. Klotz, J. Lannett Edwards, Kyle R. Mcleod

Animal and Food Sciences Faculty Publications

Holstein steers (n = 16) were used to determine if a synthetic alkaloid, bromocriptine, would alter the transcriptome of the small intestine and adjacent mesenteric adipose. On d 0, steers were assigned to one of two treatments: control (CON; saline only) or bromocriptine (BROMO; 0.1 mg/kg BW bromocriptine mesylate injected intramuscularly every 3 d for 30 d). Steers were slaughtered and midpoint sections of jejunal epithelium and associated mesenteric fat were collected for RNA isolation. Transcriptome analysis was completed via RNA-Seq to determine if BROMO differed compared with CON within intestinal epithelium or mesenteric adipose mRNA isolates. Differential expression …


Effects Of Supplementation Of Microalgae (Aurantiochytrium Sp.) To Laying Hen Diets On Fatty Acid Content, Health Lipid Indices, Oxidative Stability, And Quality Attributes Of Meat, Bing Liu, Jiang Jiang, Dongyou Yu, Gang Lin, Youling L. Xiong Sep 2020

Effects Of Supplementation Of Microalgae (Aurantiochytrium Sp.) To Laying Hen Diets On Fatty Acid Content, Health Lipid Indices, Oxidative Stability, And Quality Attributes Of Meat, Bing Liu, Jiang Jiang, Dongyou Yu, Gang Lin, Youling L. Xiong

Animal and Food Sciences Faculty Publications

The present study is conducted to investigate the effects of dietary docosahexaenoic acid (DHA)-rich microalgae (MA, Aurantiochytrium sp.) on health lipid indices, stability, and quality properties of meat from laying hens. A total of 450 healthy 50-wk-old Hy-Line Brown layers were randomly allotted to 5 groups (6 replicates of 15 birds each), which received diets supplemented with 0, 0.5, 1.0, 1.5, and 2.0% MA for 15 weeks. Fatty acid contents and quality properties of breast and thigh muscles from two randomly selected birds per replicate (n = 12) were measured. The oxidative stability of fresh, refrigerated, frozen, and cooked …