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| 1 | Circulating leptin and its muscle gene expression in Nellore cattle with divergent feed efficiency显示文摘Background: Leptin has a strong relation to important traits in animal production, such as carcass composition,feed intake, and reproduction. It is mainly produced by adipose cells and acts predominantly in the hypothalamus.In this study, circulating leptin and its gene expression in muscle were evaluated in two groups of young Nellore bulls with divergent feed efficiency. Individual dry matter intake(DMI) and average daily gain(ADG) of 98 Nellore bulls were evaluated in feedlot for 70 d to determinate the residual feed intake(RFI) and select 20 animals for the high feed efficient(LRFI) and 20 for the low feed efficient(HRFI) groups. Blood samples were collected on d 56 and at slaughter(80 d) to determine circulating plasma leptin. Samples of Longissimus dorsi were taken at slaughter for leptin gene expression levels.Results: DMI and RFI were different between groups and LRFI animals showed less back fat and rump fat thickness,as well as less pelvic and kidney fat weight. Circulating leptin increased over time in all animals. Plasma leptin was greater in LRFI on 56 d and at slaughter(P = 0.0049). Gene expression of leptin were greater in LRFI animals(P = 0.0022) in accordance with the plasma levels. The animals of the LRFI group were leaner, ate less, and had more circulating leptin and its gene expression.Conclusion: These findings demonstrated that leptin plays its physiological role in young Nellore bulls, probably controlling food intake because feed efficient animals have more leptin and lower residual feed intake. | Lúcio Flávio Macedo Mota Cristina Moreira Bonafé Pamela Almeida Alexandre Miguel Henrique Santana Francisco JoséNovais Erika Toriyama Aldrin Vieira Pires Saulo da Luz Silva Paulo Roberto Leme JoséBento Sterman Ferraz Heidge Fukumasu | 2018 | Journal of Animal Science and Biotechnology2018，9，1： | 3 |
| 2 | Biodegradation of colorants in refinery effluents : potential use of the fungus Phanerochaete chrysosporium显示文摘 | Guimaraes C Bento L S M Mota M | 1999 | International Sugar Journal1999，101，： | 1 |
| 3 | The effect of feeding essential oils on broiler perform- ance and gut microbiota 显示文摘 | TIIHONEN K KETTUNEN H BENTO M H L | 2010 | British Poultry Science2010，51，3： | 1 |
| 4 | Mapping QTL for grain yield and plant traits in a tropical maize popula- tion显示文摘 | Milena L Souza C Bento D | 2006 | Mol Breed2006，17，： | 1 |
| 5 | Anti-dsDNA, anti-Sm antibodies, and lupus anticogulant: significant factors associated with lupus nephritis显示文摘 | Alba P Bento L Cuadrado M J | 2003 | Ann Rheum Dis2003，62，6： | 1 |
| 6 | Participants' values and incentive plans显示文摘 | Bento R F White L F | 1998 | Human Resource Management1998，37，1： | 1 |
| 7 | The effect of specificmodifications of the amine ligands on the solubility, stability, COrelease to myoglobin and whole blood,cell toxicity and haemolyticindex of complexes 显示文摘 | Kromer L Coelho AC Bento I | 2014 | J OrganometChemi2014，760，： | 1 |
| 8 | Participant' values and incentive plans 显示文摘 | Bento R F White L F | 1998 | Human Resource Management1998，37，1： | 1 |
| 9 | Biodegradation of colorants in refinery effluents : potential use of the fungus phanerochaete chrysosporium 显示文摘 | Guimaraes C Bento L S M Mota M | 1999 | International Sugar Journal1999，101，1： | 1 |
| 10 | The effect of feeding essential oils on broiler performance and gut microbiota显示文摘 | Tiihonen K Kettunen H Bento M H L | 2010 | Br Poult Sci2010，51，3： | 1 |
| 11 | Anti-dsDNA,anti-Sm antibodies,and the lupus anticoagulant:significant factors associated with lupus nephritis显示文摘 | Alba P Bento L Cuadrado M J | 2003 | Annals of the Rheumatic Diseases2003，62，： | 1 |
| 12 | Right Gastroepiploic Artery as an Alternative for Arterial Reconstruction in Living Donor Liver Transplantation显示文摘 | Klaus Steinbrück Reinaldo Fernandes Marcelo Enne Rafael Vasconcelos Giuliano Bento Gustavo Stoduto Thomas Auel Lúcio Filgueiras Pacheco-Moreira Melanie Deutsch | 2014 | Case Reports in Hepatology2014，，： | 1 |
| 13 | Rare-earth doped low silica calcium aluminosilicate glasses for near and mid infrared applications显示文摘 | Baesso M L Bento A C Miranda L C M de Souza D F Sampaio J A Nunes L A O | | 0，，1： | 1 |
| 14 | Ch EMBL:A Largescale Bioactivity Database for Drug Dis-covery显示文摘 | Gaulton A Bellis L J Bento A P | 2012 | Nucleic Acids Research2012，40，1： | 1 |
| 15 | Hydrogen distribution network optimization:a refinery case study显示文摘 | Fonseca André Sá Ví tor Bento Hugo Tavares Manuel L C Pinto Gilberto Gomes Luí sa A C N | 2008 | Journal of Cleaner Production2008，16，16： | 1 |
| 16 | Biodiversity of diazotrophic bacteria within the soil, root and stem of field-grown maize显示文摘 | Roesch L F W Camargo F A O Bento F M Triplett E W | 2008 | Plant and Soil2008，302，12： | 1 |
| 17 | Vascular endothelial growth factor and its relationship with the dental pulp显示文摘 | Grando Mattuella L Westphalen Bento L de Figueiredo J A | 2007 | J Endod2007，33，5： | 1 |
| 18 | The vacuum chest wall lifter in the treatment of pectus excavatum 显示文摘 | Bento L Martinez MA Conde J | 2006 | Cir Pediatr2006，19，1： | 1 |
| 19 | Reflection coefficients for an unflanged pipe with flow显示文摘 | Davies POAL Coelho J L Bento Bhattacharya M | 1980 | Journal of Sound and Vibration1980，74，4： | 1 |
| 20 | An intra-thyroid thyroglossal duct cyst显示文摘 | Perez M A Bento B L Martinez B M | 2005 | Eur J Pediatr Surg2005，15，6： | 1 |
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