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- 21Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
- 4Roy Berg Kinsella Research Ranch
- 4Roy Berg Kinsella Research Ranch/Journal Articles (Kinsella Ranch)
- 4PigGen Canada
- 4PigGen Canada/Journal Articles
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Reducing GHG emissions through genetic improvement for feed efficiency: Effects on economically important traits and enteric methane production
Download2013
Baron, Vern S., Ominski, Kim H., Guan, Leluo, Basarab, John A., Beauchemin, Karen A., Miller, Stephen P.
Genetic selection for residual feed intake (RFI) is an indirect approach for reducing enteric methane (CH4) emissions in beef and dairy cattle. RFI is moderately heritable (0.26 to 0.43), moderately repeatable across diets (0.33 to 0.67) and independent of body size and production, and when...
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Roles of small RNAs in the effects of nutrition on apoptosis and spermatogenesis in the adult testis
Download2015
Malecki, Irek A., Martin, Graeme B., Cozens, Greg, Hawken, Penelope A.R., Liang, Guanxiang, Guan, Yongjuan, Vercoe, Philip E., Guan, Le Luo
We tested whether reductions in spermatozoal quality induced by under-nutrition are associated with increased germ cell apoptosis and disrupted spermatogenesis, and whether these effects are mediated by small RNAs. Groups of 8 male sheep were fed for a 10% increase or 10% decrease in body mass...
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Systematic microRNAome profiling reveals the roles of microRNAs in milk protein metabolism and quality: Insights on low-quality forage utilization
Download2016
Wang, Diming, Sun, Huizeng, Liu, Jianxin, Guan, Le Luo, Wang, Bing, Liang, Guanxiang
In this study, we investigated the molecular regulatory mechanisms of milk protein production in dairy cows by studying the miRNAomes of five key metabolic tissues involved in protein synthesis and metabolism from dairy cows fed high- and low-quality diets. In total, 340, 338, 337, 330, and 328...
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Taxonomic assessment of rumen microbiota using total RNA and targeted amplicon sequencing approaches
Download2016
Janssen, Peter H., Li, Fuyong, Sun, Xu, Cox, Faith, Guan, Leluo, Henderson, Gemma
Taxonomic characterization of active gastrointestinal microbiota is essential to detect shifts in microbial communities and functions under various conditions. This study aimed to identify and quantify potentially active rumen microbiota using total RNA sequencing and to compare the outcomes of...
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The gut microbiome and its potential role in the development and function of newborn calf gastrointestinal tract
Download2015
Grebiel, Philip J., Malmuthuge, Nilusha, Guan, Leluo
A diverse microbial population colonizes the sterile mammalian gastrointestinal tract during and after the birth. There is increasing evidence that this complex microbiome plays a crucial role in the development of the mucosal immune system and influences newborn health. Microbial colonization is...
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Transcriptome microRNA profiling of bovine mammary epithelial cells challenged with Escherichia coli or Staphylococcus aureus bacteria reveals pathogen directed microRNA expression profiles
Download2014
Zhao, Xin, Liang, Guanxiang, Jin, Weiwu, Guan, Leluo, Beaudoin, Frédéric, Ibeagha-Awemu, Eveline M.
Background MicroRNAs (miRNAs) can post-transcriptionally regulate gene expression and have been shown to be critical regulators to the fine-tuning of epithelial immune responses. However, the role of miRNAs in bovine responses to E. coli and S. aureus, two mastitis causing pathogens, is not well...
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Spring 2016
Maintenance of the gut health of calves is vital because enteric infections are associated with high mortality during the pre-weaned period. The small intestine is the primary site of many enteric infections and plays an important role in protecting the host from pathogenic infection through both...
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Xylo-oligosaccharides and virginiamycin differentially modulate gut microbial composition in chickens
Download2015
Zhao, Xin, Pourabedin, Mohsen, Guan, Leluo
Background The emergence and spread of antibiotic resistance in pathogens have led to a restriction on the use of antibiotic growth promoters (AGPs) in animal feed in some countries. The potential negative after-effects of a ban on AGPs could be mitigated by improving animal intestinal health...