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Economic analysis, performance, and feed efficiency in feedlot lambs R. Bras. Zootec.
Lima,Natália Ludmila Lins; Ribeiro,Carolina Resende de Freitas; Sá,Hemilly Cristina Menezes de; Leopoldino-Júnior,Izac; Cavalcanti,Luigi Francis Lima; Santana,Ronan Aparecido Valadares; Furusho-Garcia,Iraides Ferreira; Pereira,Idalmo Garcia.
ABSTRACT The objective of this study was to evaluate residual feed intake (RFI), residual intake and body weight gain (RIG) and their relationship with other traits of efficiency, performance, and economic analysis of sheep. Lambs (n = 102) were evaluated during 56 days and a herd consisting of 500 ewes was simulated with the mean of dry matter intake (DMI) and final body weight of the lambs, the same as that of the experimental lambs. The lambs were fed hay-based diet of Tifton 85 (Cynodon spp.), corn, and soybean in the voluminous:concentrate ratio of 35:65. Residual feed intake and RIG were correlated with DMI, feed conversion ratio, and feed efficiency. Residual intake and body weight gain were positively correlated with average daily gain, relative...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cost; Profit; Revenue; RFI; RIG; Sheep.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017001000821
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An integrative transcriptome analysis indicates regulatory mRNA-miRNA networks for residual feed intake in Nelore cattle. Repositório Alice
OLIVEIRA, P. S. N. de; COUTINHO, L. L.; TIZIOTO, P. C.; CESAR, A. S. M.; OLIVEIRA, G. B. de; DINIZ, W, J. da S.; LIMA, A. O. de; REECY, J. M.; MOURÃO, G. B.; ZERLOTINI NETO, A.; REGITANO, L. C. de A..
Residual Feed Intake (RFI) is an economically relevant trait in beef cattle. Among the molecular regulatory mechanisms, microRNAs (miRNAs) are an important dimension in post-transcriptional regulation and have been associated with different biological pathways. Here, we performed differential miRNAs expression and weighted gene co-expression network analyses (WGCNA) to better understand the complex interactions between miRNAs and mRNAs expressed in bovine skeletal muscle and liver. MiRNA and mRNA expression data were obtained from Nelore steers that were genetically divergent for RFI (N = 10 [low RFI or feed efficient]; N = 10 [high RFI or feed inefficient]). Differentially expressed and hub miRNAs such as bta-miR-486, bta-miR-7, bta-miR15a, bta-miR-21,...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: RFI; MiRNA; Gado Nelore; Beef cattle; Nellore; Skeletal muscle.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1099755
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Global liver gene expression differences in Nelore steers with divergent residual feed intake phenotypes. Repositório Alice
TIZIOTO, P.; COUTINHO, L. L.; DECKER, J. E.; SCHNABEL, R. D.; ROSA, C. O.; OLIVEIRA, P. S. N.; SOUZA, M. M.; MOURÃO, G. B.; TULLIO, R. R.; CHAVES, A. S.; LANNA, D. P. D.; ZERLOTINI NETO, A.; MUDADU, M. A.; TAYLOR, J. F.; REGITANO, L. C. A..
Background: Efficiency of feed utilization is important for animal production because it can reduce greenhouse gas emissions and improve industry profitability. However, the genetic basis of feed utilization in livestock remains poorly understood. Recent developments in molecular genetics, such as platforms for genome-wide genotyping and sequencing, provide an opportunity to identify genes and pathways that influence production traits. It is known that transcriptional networks influence feed efficiency-related traits such as growth and energy balance. This study sought to identify differentially expressed genes in animals genetically divergent for Residual Feed Intake (RFI), using RNA sequencing methodology (RNA-seq) to obtain information from genome-wide...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Transcriptoma; Sequenciamento genético; Bioinformática; Bos indicus; RFI; Feed efficiency; Zebu; Feed conversion; Transcriptomics; Bioinformatics.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1034697
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