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Articles 1 - 13 of 13
Full-Text Articles in Animal Sciences
Optimum Time To Add The Feed Additive Availa-Zmc To Reduce The Incidence Of Bacterial Chondronecrosis With Osteomyelitis Lameness In Broiler Chickens, Ashley Ault
Biological Sciences Undergraduate Honors Theses
Lameness is a health condition threatening the welfare of broiler chickens in the poultry industry. It can be caused by a bacterial infection called Bacterial Chondronecrosis with Osteomyelitis (BCO). Zinpro has created Avalia-ZMC, a feed additive that has been proven to reduce lameness by 20% in wire-flooring pens and 25% in litter-flooring pens (Alrubaye et al., 2020). This experiment focuses on the optimal time to add Availa-ZMC to the diet of the broiler chickens to help reduce the incidence of lameness. This trial took 56 days with 26 pens at the University of Arkansas Poultry Research Farm. At the start …
Molar Macrowear As A Proxy For Age In A Captive Sample Of Papio Hamadryas, Lauren Conrad
Molar Macrowear As A Proxy For Age In A Captive Sample Of Papio Hamadryas, Lauren Conrad
Biological Sciences Undergraduate Honors Theses
This study is methods-focused, centering around molar crown macrowear and its performance as a proxy for age in a sample of pedigreed, non-human primates. It analyzes the correlation between age-structured variables and molar wear among both males and females in a captive group of baboons. Here, I examined whether wear is significantly correlated with age-related variables (i.e., generations/cohorts) and whether the structure of the “age” dataset differed across wear categories. Because chronological age is unknown, I used documented pedigrees and parent-offspring relationships to group individuals into possible generations. I then used dental development charts to group individuals into cohorts based …
Effects Of Sow Vocalization And Scent On Complete Blood Cell Count During Early Weaning Period, Mason Paladino
Effects Of Sow Vocalization And Scent On Complete Blood Cell Count During Early Weaning Period, Mason Paladino
Biological Sciences Undergraduate Honors Theses
Piglets are deprived of their sows’ touch, sound, and smell after weaning which results in biological stress. The present study investigated continuing exposure of sow vocalization and scent during the early weaning period on complete blood cell count. A total of 12 litters, 8 piglets (4 male and 4 female) per litter were selected at weaning and assigned to 1 of 4 experimental treatments: control, O (olfactory group with scent and no vocal stimulation), V (non-olfactory with vocal stimulation), VO (vocal stimulation and olfactory stimulation) as a 2x2 factorial arrangement. Vocal stimulation was emulated by an audio recording of the …
Effect Of Soy Co-Products In Supplements For Grazing Cattle On Growth, Complete Blood Cell Counts, And Physiological Response Following A Lipopolysaccharide Challenge, Bralee Lansdell
Biological Sciences Undergraduate Honors Theses
The objective of this study was to determine the effect of soy co-products (soybean meal and soy oil) in the diet on the growth and hemocytology of cattle during a 56-day growing phase and the physiological/behavioral response to an endotoxin challenge. Angus crossbred steers (n = 36; 289 ± 31 kg, initial body weight ± SD) were stratified by body weight and sire; and assigned randomly to pastures (n = 9; 0.45 ha/mixed-grass pasture). Pastures were assigned randomly to 1 of 3 dietary treatments: 1) a control supplement containing no soy co-products, 2) a supplement containing soybean meal, or 3) …
Exploring A Potential Bias In Detection Of Mesopredators By Cameras, Rylee Gibson
Exploring A Potential Bias In Detection Of Mesopredators By Cameras, Rylee Gibson
Biological Sciences Undergraduate Honors Theses
Mesopredators, such as the raccoon (Procyon locor), Virginia opossum (Didpelphis virginiana), and striped skunk (Mephitis mephitis) play crucial ecological roles as predators, prey, and disease vectors across much of the United States. Because of their importance and the way that populations of these mesopredators can dramatically increase due to human-subsidized resources, it is imperative that studies attempting to quantify mesopredator community composition are accurate and unbiased. However, it has recently been suggested that not all mammals trigger motion-activated wildlife game cameras at the same rate and for some species detection probability may be biased. My goals for this thesis were …
Evaluation Of The Selected Nuproxa Feed Additives For Protection Against Lameness And Improving The Wellbeing Of Broilers In The Lameness Challenge Model, Abigail Fanous
Biological Sciences Undergraduate Honors Theses
Bacterial Chondronecrosis with Osteomyelitis (BCO) is a form of bacteria that causes lameness in broiler chickens and is a common concern within the poultry industry. This easily transmissible disease can quickly take over entire livestock of chickens leading to an animal welfare issue. Due to this, it is a pressing issue that must be solved in order to protect the wellbeing of broiler chickens and ensure viable livestock. Nuproxa is a company that specializes in chicken feed in which we used to test different amounts of Panbonis, a dietary supplement, in its effectiveness in protecting broiler chickens against BCO lameness. …
Effect Of Larval Rearing Environment On Female Bicyclus Anynana Mate Choice, Adriana Beruvides
Effect Of Larval Rearing Environment On Female Bicyclus Anynana Mate Choice, Adriana Beruvides
Biological Sciences Undergraduate Honors Theses
Around eighty percent of animals go through metamorphosis or drastic phase changes at some point in their life. We know that juvenile interactions can influence adult behavior and mate choice in species that don’t go through metamorphosis, but we know very little about how social interactions during early life stages of animals who go through metamorphosis affect mate choice. To fill this knowledge gap, I used the butterfly Bicyclus anynana to assess whether female butterflies raised in complete isolation from the beginning of their lives exhibit the same mate preference as butterflies raised in normal social conditions. To test this, …
Evaluation Of Selected Nuproxa Feed Additives For Protection Against Lameness And Improving The Wellbeing Of Broilers In A Lameness Challenge Model, Jaren Hernandez
Evaluation Of Selected Nuproxa Feed Additives For Protection Against Lameness And Improving The Wellbeing Of Broilers In A Lameness Challenge Model, Jaren Hernandez
Biological Sciences Undergraduate Honors Theses
A common concern in commercial industries profiting from broiler chickens is their inability to yield a completely healthy flock. Bacterial Chondronecrosis with Osteomyelitis poses a threat to these companies by impairing the birds' proximal and distal tibial and femoral heads. In 2000, roughly 17.3% of broiler chickens were affected by Bacterial Chondronecrosis with Osteomyelitis which caused a substantial economic loss in the industry (McNammee et al., 2000). BCO cannot be tied to a particular bacterial species; this experiment focuses on evaluating the efficacy of certain commercial feed additives while determining the bacterial species causing BCO in this set of the …
The Influence Of Temperature And Body Size On Food Consumption In Prairie Lizards (Sceloporus Consobrinus), Morgan Pelley
The Influence Of Temperature And Body Size On Food Consumption In Prairie Lizards (Sceloporus Consobrinus), Morgan Pelley
Biological Sciences Undergraduate Honors Theses
Understanding the effect of temperature on physiological and digestive processes, such as voluntary consumption rate, is critical for assessing the impact of climate change. Food consumption is required for lizard survival and reproduction and its rate is dependent on temperature. For ectotherms, as temperatures increase, the amount of food consumed to meet the energy requirements related to survival and reproduction must also increase. Information on the amount of food voluntarily consumed may aid in determining if lizards can meet energy requirements. Such information could also aid in predicting survival of lizard populations, through construction of predictive climate change models. In …
Effect Of Larval Experience On Learning Mate Preference In Bicyclus Anynana, Taryn Tibbs
Effect Of Larval Experience On Learning Mate Preference In Bicyclus Anynana, Taryn Tibbs
Biological Sciences Undergraduate Honors Theses
Phenotypic traits are shaped by the interaction of an organism's genes and the environment they experience. The plasticity of phenotypic traits is particularly responsive to developmental environments which can shape adult traits, such as expressed behaviors like mate choice and the ability to learn preferences. The Lepidoptera species Bicyclus anynana has been shown to learn mate preference based on social interaction following emergence from the chrysalis, however if and how the social complexity of the larval experience affects this ability to learn is less understood. Here I test the effects of isolation during the larval period on a female’s ability …
Effects Of Temporal Variation On Ambient Light In Northwest Arkansas, Ashlyn Anderson
Effects Of Temporal Variation On Ambient Light In Northwest Arkansas, Ashlyn Anderson
Biological Sciences Undergraduate Honors Theses
An animal’s life success is determined solely by its fitness, which makes choosing a mate one of its most important life decisions. Natural selection plays a big part in an animal’s phenotype, but so does sexual selection. Even though females are usually thought to be the choosier sex, in many species or seasons males are also choosy. Male mate preference is an understudied topic compared to female mate preference and therefore, even less is known about the outcomes of a male’s prior mating experience’s influence on future mating experiences. Therefore, I dove deeper into this topic with the highly studied …
Differences In Learning And Gene Expression In Brains Of Male And Female Bicyclus Anynana, Gabrielle Agcaoili
Differences In Learning And Gene Expression In Brains Of Male And Female Bicyclus Anynana, Gabrielle Agcaoili
Biological Sciences Undergraduate Honors Theses
One way to understand the variation in the behavior of animals is by looking at the genes involved. We were particularly interested in behavioral differences between the sexes. How might these differences be manifested in the brain? This study worked to answer this question by using male and female butterflies of the species Bicyclus anynana, examining what is going on in the brains of males and females as they learned from a social exposure. We focused in on how sex plays a role in behavior and learning; it has been seen that males and females respond to the same social …
Validation Of The Use Of Doubly Labeled Water For Measuring Metabolic Rate In Timber Rattlesnakes (Crotalus Horridus), Caitlin Hirsh
Validation Of The Use Of Doubly Labeled Water For Measuring Metabolic Rate In Timber Rattlesnakes (Crotalus Horridus), Caitlin Hirsh
Biological Sciences Undergraduate Honors Theses
The doubly labeled water method is an isotopic technique for measuring field metabolic rate and water flux rates of free-living animals. We present a validation of the use doubly labeled water for measuring metabolic rate and water loss in Timber Rattlesnakes (Crotalus horridus). For this study seven animals of varying body size were used with masses ranging from 148 to 650 grams. Prior to dosing, blood samples were taken to establish background isotope levels for each animal. Snakes were injected with water enriched with isotopes of oxygen (18O) and hydrogen (2H, deuterium). The injected isotopes were then allowed to equilibrate …