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Full-Text Articles in Agriculture

66th National Poultry Breeder Roundtable Poster_Jibin Zhang.Pdf, Jibin Zhang, Carl J. Schmidt, Susan J. Lamont May 2017

66th National Poultry Breeder Roundtable Poster_Jibin Zhang.Pdf, Jibin Zhang, Carl J. Schmidt, Susan J. Lamont

Jibin Zhang

Fast-growing modern broilers are susceptible to cardiac arrhythmia and heart failure. To understand the developmental regulation related to these problems, cardiac gene expression in Illinois and Ross broilers was investigated at 6 and 21 days post hatch (dph) using RNA-seq (n=5-6 for each group). Because Illinois is a legacy broiler line with isometric heart growth, and Ross is a modern broiler line with a negative allometric heart growth, comparison of gene expression between the two lines and the two time points provides an avenue to understand genetic regulation underlying their different cardiac development.
Sequence data were mapped to the Galgal5 …


Pag 2017 Poster _ Jibin Zhang.Pdf, Jibin Zhang, Michael G. Kaiser, Melissa S. Herrmann, Rodrigo A. Gallardo, David A. Bunn, Terra R. Kelly, Jack C. M. Dekkers, Huaijun Zhou, Susan J. Lamont Jan 2017

Pag 2017 Poster _ Jibin Zhang.Pdf, Jibin Zhang, Michael G. Kaiser, Melissa S. Herrmann, Rodrigo A. Gallardo, David A. Bunn, Terra R. Kelly, Jack C. M. Dekkers, Huaijun Zhou, Susan J. Lamont

Jibin Zhang

Velogenic Newcastle disease virus (NDV) causes global economic losses in the poultry industry. Although proper vaccination does prevent outbreaks of ND, genetic selection for enhanced resistance to NDV offers a complementary approach to disease prevention. Understanding the gene expression changes induced by ND infection will help to elucidate mechanisms of host resistance and susceptibility.
Two distinct and highly inbred chicken lines - Fayoumi and Leghorn - were studied as relatively ND-resistant and susceptible models, respectively. Equal numbers of birds from each line were inoculated with LaSota strain NDV (or saline control) through nasal and ocular routes at 21 days of …