Irineu Umberto Packer

Biochemistry, Genetics and Molecular Biology · Life Sciences

20h-index1.2kcitations113works0.02yr avg
OpenAlex↗Google Scholar↗

Accepting Students?

No reports yet. Know if this professor is taking students?

Research Topics

Genetic and phenotypic traits in livestock(61), Animal Nutrition and Physiology(22), Genetic Mapping and Diversity in Plants and Animals(18), Animal Genetics and Reproduction(15), Ruminant Nutrition and Digestive Physiology(13)

Publications113 total

Genetic distances among Aberdeen Angus, Canchim, Caracu, Nellore and Simmental beef cattle breeds.
LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)·2022Open Access
Erratum to: ‘Genomic structure and marker-derived gene networks for growth and meat quality traits of Brazilian Nelore beef cattle’
BMC Genomics·2016· 1 citedOpen Access
Genomic structure and marker-derived gene networks for growth and meat quality traits of Brazilian Nelore beef cattle
BMC Genomics·2016· 46 citedOpen Access
Heritability estimates for pre and post-weaning weights of Canchim calves.
Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)·2015Open Access
Teste de paternidade na raça Nelore por meio de exame do DNA.
Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)·2015Open Access
Associação de polimorfismos de genes candidatos com características de crescimento em cruzamentos Bos taurus X Bos indicus.
Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)·2015Open Access
Intensidades de seleção e resposta direta e correlacionadas em 10 anos de progênies de bovinos das raças nelore e guzerá selecionadas para peso pós-desmame
SHILAP Revista de lepidopterología·2014Open Access
Zero-inflated Poisson regression models for QTL mapping applied to tick-resistance in a Gyr x Holstein F2 population
Genetics and Molecular Biology·2011· 6 citedOpen Access
Chemical composition of whole body and carcass of Bos indicus and tropically adapted Bos taurus breeds
Journal of Animal Science·2011· 14 cited
Curvas de crescimento em vacas de corte de diferentes tipos biológicos
Pesquisa Agropecuária Brasileira·2011· 36 citedOpen Access
Mapping quantitative trait loci in Gallus gallus using principal components
Revista Brasileira de Zootecnia·2010· 6 citedOpen Access
Propriedades da carne e perfil de ácidos graxos do pernil de catetos (Tayassu tajacu) alimentados com torta de babaçu (Orbignya phalerata)
Arquivo Brasileiro de Medicina Veterinária e Zootecnia·2009· 9 citedOpen Access
Preweaning performance and body composition of calves from straightbred Nellore and Bos taurus × Nellore crosses1
Journal of Animal Science·2009· 11 cited
Estimação da composição química do corpo vazio de animais Nelore e Caracu a partir das composições química e física do corte da 9ª-10ª-11ª costelas
Revista Brasileira de Zootecnia·2008· 1 citedOpen Access
Apparent digestibility of diets with combinations of soybean hulls and coastcross (Cynodon sp.) hay offered to ram lambs
Scientia Agricola·2008· 17 citedOpen Access
Cow/calf preweaning efficiency of Nellore and Bos taurus × Bos indicus crosses1
Journal of Animal Science·2008· 25 cited
Milk yield, milk composition, eating behavior, and lamb performance of ewes fed diets containing soybean hulls replacing coastcross (Cynodon species) hay1,2
Journal of Animal Science·2008· 56 cited
Evaluation of carcass characteristics of Bos indicus and tropically adapted Bos taurus breeds selected for postweaning weight
Journal of Animal Science·2008· 40 cited
Substituição do milho por polpa cítrica em rações com alta proporção de concentrado para cordeiros confinados
Ciência Rural·2008· 25 citedOpen Access
Genetic parameters for test day milk yield of first lactation Holstein cows estimated by random regression using Legendre polynomials
Revista Brasileira de Zootecnia·2008· 58 citedOpen Access
page 1 of 6Next →

Frequent Co-authors

Alexander George Razook(12), M. M. de Alencar(11), Luiz Lehmann Coutinho(10), Maria Eugênia Zerlotti Mercadante(7), Cláudia Cristina Paro de Paz(6), Luciana Correia de Almeida Regitano(6), Cláudio Melo(6), Raul Machado Neto(6), A. R. de Freitas(5), Ivanete Susin(5), Leopoldo Andrade de Figueiredo(5), Rosana Bessi(5), Joslaine Noely dos Santos Gonçalves Cyrillo(4), L. A. Figueiredo(4), C. N. Costa(4), Clayton Quirino Mendes(4), Dante Pazzanese Duarte Lanna(4), Rafael Canonenco de Araújo(3), Gustavo Henrique Rodrigues(3), Artur J.M. Rosa(3)