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Education

• Ph.D - University of SaskatchewanÌý (Food Science)
• M.Sc.- University of Arkansas (Poultry Science)
• B.S.A. - University of SaskatchewanÌý (Poultry Science)

Research interests

• Research interests focus on factors that influence the quality of poultry products produced for human consumption from the time a bird is hatched, through growth, including production of eggs, slaughter and product processing.Ìý
• Activities include research in bacteriological food safety, nutritional and aesthetic product quality, bird health and welfare, and the reduction in use of antibiotics.

Teaching

• ANSC3003 Eggs and Dairy
• ANSC3004 Meat Science
• ANSC4003 Avian Production Systems
• RESM4002 Project Seminar (supervise students and their projects)
• AGRI5610 Special Topics in Animal Products Technology
• AGRI5360 Protein Nutrition

Publications

Kulshreshtha, G., B.M. Rathgeber, G. Stratton, N. Thomas, F. Evans, A. Critchley, J. Haftin and B. Prithiviraj 2014. Feed supplementation with red seaweeds, Chondrus crispus and Sarcodiotheca gaudichaudii, affects performance, egg quality, and gut microbiota of layer hens. Poult. Sci. 93:2991-3001.

Kulshreshtha, G. M., T. Borza, B.M. Rathgeber, G. Stratton, N. Thomas, A. Critchley, J. Hafting, and B. Prithiviraj, 2016. Red seaweeds Sarcodiotheca gaudichaudii and Chondrus crispus down regulate virulence factors of Salmonella Enteritidis and induce immune responses in Caenorhabditis elegans. Fron. Micro. 7:421

Kulshreshtha, G. M., B.M. Rathgeber, J. MacIsaac, M. Boulianne, L. Brigitte, G. Stratton, N. Thomas, A. Critchley, J.Hafting, and B. Prithiviraj, 2017. Feed supplementation with red seaweeds, chondrus crispus and sarcodiotheca gaudichaudii, reduce Salmonella Enteritidis in laying hens. Fron. Micro. 8:567

Gong, M., D. M. Anderson, B.M. Rathgeber and J. MacIsaac, 2017. The effect of dietary lysozyme with EDTA on growth performance and intestinal microbiota of broiler chickens in each period of the growth cycle. J. Appl. Poult. Res. 26:1-8.

Savary, R.K., J.L. MacIsaac, B.M. Rathgeber, N.L. McLean and D.M Anderson, 2017. Evaluating Brassica napus and Brassica juncea meals with supplemental enzymes for use in laying hen diets: Production performance and egg quality factors. Can. J. Anim. Sci. 97:476-487.

Frizzell, K.M., E. Lynch, B.M. Rathgeber, W.T. Dixon, C.T. Putman and M. J. Jendral, 2017. Effect of housing environment on laying hen meat quality: Assessing Pectoralis major pH, colour and tenderness in three strains of 80-81 week-old layers housed in conventional and furnished cages. Br. Poult. Sci. 58:50-58.

Bryan, D., J.L. MacIsaac, B.M. Rathgeber, N.L. McLean and D.M Anderson, 2017. Meal residual oil level and heat treatment after oil extraction affects the nutritive value of expeller pressed canola meal for broiler chickens. Can. J. Anim. Sci. 97:658-667.

Wang, A, D.M Anderson and B.M. Rathgeber, 2018. Using different levels of glycerol, glucose or sucrose in broiler start diet to overcome negative effects of delayed feed access on birds’ growth performance. Can. J. Anim. Sci. 98(2): 311-324.

Li, X., D.M Anderson, B.M. Rathgeber, N.L. McLean, and J.L. MacIsaac, 2018. Fumigating broiler hatching eggs with lysozyme product (Inovapureâ„¢) to reduce eggshell microbial load. Poult. Sci. 97:4252-4261.

Savary, R. K., J. L. MacIsaac, B. M. Rathgeber, N. L. McLean and D. M. Anderson, 2019.ÌýEvaluating Brassica napus and Brassica juncea meals with supplemental enzymes for use in brown-egg laying hen diets: Production performance and egg quality factors. Can. J. Anim. Sci. 99:820-832.

Asante, R., B. Rathgeber, J. MacIsaac and D. Anderson, 2019. Use of a maltodextrin-based feed with a lysozyme product to alter bacteria in the ileum of market aged broilers. Poult. Sci. 98:6897–6902.

Hannah, W. A., T. Astatkie and B. M. Rathgeber, 2019. Hatch rate of laying hen strains provided a photoperiod during incubation. Animal 14:353-359.

Bryan, D., J. MacIsaac, N. McLean, B. Rathgeber and D. Anderson, 2019. Nutritive value of expeller-pressed yellow canola meal for broiler chickens following enzyme supplementation. J. Appl. Poult. Res. 28:1156-1167.

Kulshreshtha, G., A. Critchley, B.M. Rathgeber, G. Stratton, A. H. Banskota, J. Haftin and B. Prithiviraj 2020. Antimicrobial effects of selected, cultivated red seaweeds and their components in combination with tetracycline, against poultry pathogen Salmonella Enteritidis. J. Marine Sci. Eng. 8:511 doi:10.3390/jmse8070511.

Adewole, D., J. MacIsaac, G. Fraser and B. Rathgeber, 2020. Effect of oat hulls incorporated in the diet or fed as free choice on growth performance, carcass yield, gut morphology and digesta short chain fatty acids of broiler chickens. Sustainability 12(9):3744 doi:10.3390/su12093744.

Bourzouie, S. B. Rathgeber, C. Stuppart, J. MacIsaac and L. MacLaren, 2020. Effects of dietary inclusion of seaweed, heat stress and genetic strain on performance, plasma biochemical and hematological parameters in laying hens. Animals 10:1570 doi:10.3390/ani10091570.

Li, X., J. MacIsaac, N. McLean and B. Rathgeber, 2021. Providing colored photoperiodic light stimulation during incubation: 1. Effects on embryo development and hatching performance in broiler hatching eggs. Poult. Sci. 100:101336.

Li, X., J. MacIsaac, N. McLean and B. Rathgeber, 2021. Providing colored photoperiodic light stimulation during incubation: 2. Effects on early post-hatch growth, immune response, and production performance in broiler chickens. Poult. Sci. 100:101328.
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