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D-Index & Metrics

Animal Science and Veterinary

D-Index
49
Citations
8860
World Ranking
649
National Ranking
209

Research.com Recognitions

  • 2013 - ASAS Fellow: Research Category, American Society of Animal Science
  • 1997 - American Feed Industry Association Award in Nonruminant Nutrition Research, American Society of Animal Science

Overview

L. L. Southern is affiliated with the Louisiana State University Agricultural Center in the United States. Their work is connected to the fields of animal science and nutrition, particularly focusing on research involving nonruminant nutrition.

Throughout their career, Southern has been recognized with multiple awards, including the ASAS Fellow: Research Category from the American Society of Animal Science in 2013. Earlier, in 1997, Southern received the American Feed Industry Association Award in Nonruminant Nutrition Research from the same society.

Southern's research contributions are predominantly related to animal nutritional science, indicated by the awards received in these areas. This positions them within the broader agricultural and animal sciences research community, particularly emphasizing nutrition of nonruminant species.

Best Publications

  • Estimation of nutrient requirements using broken-line regression analysis.

    K. R. Robbins;A. M. Saxton;L. L. Southern

  • Growth promotion effects and plasma changes from feeding high dietary concentrations of zinc and copper to weanling pigs (regional study).

    G M Hill;G L Cromwell;T D Crenshaw;C R Dove

  • Effect of chromium picolinate on growth and serum and carcass traits of growing-finishing pigs

    T G Page;L L Southern;T L Ward;D L Thompson

  • Comparison of inorganic and organic selenium sources for broilers.

    R. L. Payne;L. L. Southern

  • Influence of dietary protein level, amino acid supplementation, and dietary energy levels on growing-finishing pig performance and carcass composition.

    B. J. Kerr;L. L. Southern;T. D. Bidner;K. G. Friesen

  • Effect of chromium tripicolinate on growth, glucose tolerance, insulin sensitivity, plasma metabolites, and growth hormone in pigs.

    E. K. Amoikon;J. M. Fernandez;L. L. Southern;D. L. Thompson

  • Effect of inorganic versus organic selenium on hen production and egg selenium concentration

    R. L. Payne;T. K. Lavergne;L. L. Southern

  • Glycine Supplementation to Low Protein, Amino Acid-Supplemented Diets Supports Optimal Performance of Broiler Chicks

    D. W. Dean;T. D. Bidner;L. L. Southern

  • Influence of chromium picolinate on glucose usage and metabolic criteria in growing Holstein calves.

    L. D. Bunting;J. M. Fernandez;D. L. Thompson;L. L. Southern

  • Effects of betaine on growth, carcass characteristics, pork quality, and plasma metabolites of finishing pigs.

    J O Matthews;L L Southern;A D Higbie;M A Persica

  • Uric acid, urea, and ammonia concentrations in serum and uric acid concentration in excreta as indicators of amino acid utilization in diets for broilers

    A. L. Donsbough;S. Powell;A. Waguespack;T. D. Bidner

  • Effects of supplemental L-tryptophan on serotonin, cortisol, intestinal integrity, and behavior in weanling piglets,

    S.J. Koopmans;A.C. Guzik;J. van der Meulen;R.A. Dekker

  • Influence of chromium tripicolinate on glucose metabolism and nutrient partitioning in growing lambs

    L. Kitchalong;J. M. Fernandez;L. D. Bunting;L. L. Southern

  • Effect of phytase addition and dietary calcium and phosphorus levels on plasma metabolites and ileal and total-tract nutrient digestibility in pigs.

    S. L. Johnston;S. B. Williams;L. L. Southern;T. D. Bidner

  • Changes in glutathione peroxidase and tissue selenium concentrations of broilers after consuming a diet adequate in selenium.

    R. L. Payne;L. L. Southern

  • Effect of chromium picolinate on growth, body composition, and tissue accretion in pigs.

    S. L. Boleman;S. J. Boleman;T. D. Bidner;L. L. Southern

  • Effect of dietary fiber or fat in low-crude protein, crystalline amino acid-supplemented diets for finishing pigs.

    T A Knowles;L L Southern;T D Bidner;B J Kerr

  • Interactive effects of betaine, crude protein, and net energy in finishing pigs

    J O Matthews;L L Southern;J E Pontif;A D Higbie

  • Effect of mannan oligosaccharides on growth performance of weanling pigs.

    F. M. LeMieux;L. L. Southern;T. D. Bidner

  • Effect of chromium picolinate and chromium propionate on glucose and insulin kinetics of growing barrows and on growth and carcass traits of growing-finishing barrows.

    J. O. Matthews;L. L. Southern;J. M. Fernandez;J. E. Pontif

  • Phytase supplementation improved growth performance and bone characteristics in broilers fed varying levels of dietary calcium

    S. S. Powell;T. D. Bidner;L. L. Southern

  • Additivity of effects from dietary copper and zinc on growth performance and fecal microbiota of pigs after weaning.

    V. G. Pérez;A. M. Waguespack;T. D. Bidner;L. L. Southern

  • Interactive effects of sodium zeolite-A and copper in growing swine: growth, and bone and tissue mineral concentrations.

    T. L. Ward;K. L. Watkins;L. L. Southern;P. G. Hoyt

  • The effects of phytase on growth performance and intestinal transit time of broilers fed nutritionally adequate diets and diets deficient in calcium and phosphorus

    B. C. Watson;J. O. Matthews;L. L. Southern;J. L. Shelton

  • Effects of microbial phytase, low calcium and phosphorus, and removing the dietary trace mineral premix on carcass traits, pork quality, plasma metabolites, and tissue mineral content in growing-finishing pigs.

    J. L. Shelton;L. L. Southern;F. M. LeMieux;T. D. Bidner

  • Effects of dietary soy isoflavones on growth, carcass traits, and meat quality in growing-finishing pigs.

    R L Payne;T D Bidner;L L Southern;J P Geaghan

Frequent Co-Authors

T. D. Bidner
T. D. Bidner Louisiana State University Agricultural Center
Brian J. Kerr
Brian J. Kerr Agricultural Research Service
Merlin D Lindemann
Merlin D Lindemann University of Kentucky
Göran Hallmans
Göran Hallmans Umeå University
Dennis D. French
Dennis D. French University of Illinois at Urbana-Champaign
Kim Overvad
Kim Overvad Aarhus University
Michael Ellis
Michael Ellis University of Illinois at Urbana-Champaign
Olayiwola Adeola
Olayiwola Adeola Purdue University West Lafayette
Floyd K. Mckeith
Floyd K. Mckeith University of Illinois at Urbana-Champaign
Carl M Parsons
Carl M Parsons University of Illinois at Urbana-Champaign

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Related Online Degrees & Career Pathways

For students interested in expanding their expertise beyond Animal Science and Veterinary studies, pursuing related online degrees can open diverse career paths. Programs that are bacb accredited schools offer rigorous training for those looking to become Board Certified Behavior Analysts, which complements animal behavior knowledge with human behavioral intervention skills.

Similarly, those passionate about mental health within veterinary care or related fields might explore nasp accredited school psychology programs. These programs provide specialized training in educational psychology, benefiting professionals who work with children and families affected by animal-assisted therapy or animal welfare education.

Additionally, online psychology programs such as online psyd programs accredited by the APA allow students to gain advanced clinical skills without GRE requirements, making advanced mental health studies more accessible, especially for those balancing work in veterinary or animal sciences.

For those interested in supporting recovery and resilience, degrees focused on addiction and recovery are crucial. Programs like the online substance abuse counseling degree prepare graduates to address behavioral health challenges, which can intersect with animal-assisted interventions and holistic care models.

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