Alexa M. Johnson
PhD. Student, Clemson University
Overview of Research Projects
From 2019 to Present
2021-2022, Leader
Clemson University
Dietary supplementation of oregano essential oil on performance, blood parameters, and gastrointestinal traits on Hy-Line Brown pullets
Oregano Oil provided by Nutrinae
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Trial of 200 laying hens 0-40 weeks old and the effects of dietary oregano oil supplementation on performance, gastrointestinal traits, blood lipid profile, and antioxidant capacity
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Results of the first 17 weeks have been published while 18-40 weeks data is being analyzed.
2022-now, Co-Leader
Clemson University
The effect of interrupting scotophase period on bone health, egg quality, behavior, and welfare of laying hens
Project funded by EIC
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730 laying hens 0-70 weeks old in charge of egg collection, egg quality measurements, and blood sampling
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Assisted with performance, behavior, and welfare parameters
2021-2022 Co-Leader
Clemson University
Impact of the partial replacement of corn with modern sorghum varieties on layer hen performance and egg quality
Project funded by USCP
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850 laying hens 0-40 weeks old on effects of sorghum varieties on performance and egg quality
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Results to be analyzed by a different graduate student
2020-2021
Capstone Experience
Virginia Tech
Effects of Environmental Complexity on Affective States and Cumulative Welfare Status in Laying Hens
Partial funding by Virginia Egg Council
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Undergraduate lead for trial of 184 Bovan brown laying hens
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Duties included blood sampling, blood collection, behavior data collection, lab analysis, SOP writing
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Individual findings presented at Mid-Atlantic Undergraduate Research Conference 2021
2019
Research Assistant
Virginia Tech
Remedying Contact Dermatitis in Broiler Chickens with Novel Flooring Treatments
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Undergraduate volunteer assisting in trial of 546 broilers
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Duties included gait scoring, data entry, and daily checks
2020-2021
Peer Mentor
Virginia Tech
The Role of Peer Mentors in Animal and Poultry Sciences First Year Experience
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Assisted in creating survey and analyzing results from Fall 2019 class
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Results presented in February 2020 at the Conference for Higher Education Pedagogy
