José Fernando Garcia

Metabolomic profiling of blood from Nellore and Angus cattle under heat stress

Gabriele Rocchetti, Michela Errico, Emanuele Capra, Marco Milanesi et autres

Heat stress (HS) negatively affects cattle welfare, productivity, and sustainability, with marked differences between heat-tolerant breeds such as Nellore and heat-susceptible breeds such as Angus. In this study, an untargeted UHPLC-Orbitrap-MS metabolomic approach was used to investigate breed-specific differences in the blood …

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Allele frequencies of PRLR truncating variants in heat‐tolerant taurine cattle native to Latin America

Raziye Işık, Stephany de Souza Albuquerque, Fabiano Silberschmidt Maia, Antonio Landaeta-Hernández et autres

The authors declare that there is no conflict of interest. All relevant data are available in the manuscript text and through the supporting information. Tables S1–S4. Please note: The publisher is not responsible for the content or functionality of any supporting information …

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Commercial perspectives: Genome editing as a breeding tool for health and well-being in dairy cattle

Tad S. Sonstegard, Julio M. Flórez, José Fernando Garcia

Genome editing is the latest breeding tool capable of accelerating the rate of genetic improvement for health and well-being traits in food animals. It enables the introduction of beneficial alleles within a single generation, including those that are of low frequency or …

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Genomic insights into the population history and adaptive traits of Latin American Criollo cattle

James A. Ward, Said I. Ng’ang’a, Imtiaz A. S. Randhawa, Gillian P. McHugo et autres

Criollo cattle, the descendants of animals brought by Iberian colonists to the Americas, have been the subject of natural and human-mediated selection in novel tropical agroecological zones for centuries. Consequently, these breeds have evolved distinct characteristics such as resistance to diseases and …

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Author response for "Genomic insights into the population history and adaptive traits of Latin American Criollo cattle"

James A. Ward, Said I. Ng’ang’a, Imtiaz A. S. Randhawa, Gillian P. McHugo et autres

Genomic Insights into the Population History and Adaptive Traits of Latin American Criollo Cattle

James A. Ward, Said I. Ng’ang’a, Imtiaz A. S. Randhawa, Gillian P. McHugo et autres

ABSTRACT Criollo cattle, descendants of animals brought by Iberian colonists to the Americas, have been subject to centuries of natural and human-mediated selection in novel tropical agroecological zones. Consequently, these breeds have evolved distinct characteristics such as resistance to disease and exceptional …

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A structural variant at ASIP associated with the darkness of hair coat is found in multiple zebu cattle populations

Beatriz Batista Trigo, Natália Fonseca Alves, Marco Milanesi, José Fernando Garcia et autres

A structural variant (SV) in the agouti signaling protein gene (ASIP), namely ASIP-SV1, has been found to strongly correlate with the darkness of hair coat in specific regions of the body of bulls from the zebu (Bos indicus) Nellore breed. Here we …

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Comparison between indicine and taurine cattle DNA methylation reveals epigenetic variation associated to differences in morphological adaptive traits

Emanuele Capra, Barbara Lazzari, Marco Milanesi, Guilherme de Paula Nogueira et autres

Indicine and taurine subspecies present distinct morphological traits as a consequence of environmental adaptation and artificial selection. Although the two subspecies have been characterized and compared at genome-wide level and at specific loci, their epigenetic diversity has not yet been explored. In …

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172. Bos taurus and Bos indicus reduced representation bisulfite sequencing comparison showed high epigenetic variability in Bos subspecies

Emanuele Capra, Barbara Lazzari, Marco Milanesi, Gisela Nogueira et autres

Bos indicus and Bos taurus subspecies possess distinct morphological traits as a consequence of artificial selection and environmental adaptation. However, the impact of epigenetic contribution in relation to breed adaptation in the two subspecies has not been explored. In this work, Reduced …

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214. Are autozygosity estimates from imputed genotypes reliable?

Maja Ferenčaković, Ino Čurik, José Fernando Garcia, Johann Sölkner et autres

Estimates of the inbreeding coefficient based on runs of homozygosity (FROH) are widely used in population genetics and livestock studies. The accuracy of FROH estimates is determined in part by the density of the genotyping chip. Compared with high density (HD) chips, …

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Genomic breed composition of pure registered Brazilian Gir

Marco Milanesi, Ana M. Pérez O’Brien, Adam Taiti Harth Utsunomiya, Tad S. Sonstegard et autres

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Effect of phosphoric rock on the chemical, microbiological and enzymatic quality of poultry, equine and cattle manure compost mix

Luís Páez, José Fernando Garcia, Leonardo Lozano Jacome

Purpose Phosphorus (P) is one of the key elements in the agricultural sector, allowing improved production yields. Phosphate rock is a natural source of phosphorus; however, its low reactivity limits the release of P available to plants in the short term, conditioning …