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Abstract

In the presented research, BovineSNP50 microarrays (Illumina) were applied to determine runs of homozygosity in the genomes of 11 cattle breeds maintained in Poland. These cattle breeds represent three basic utility types: milk, meat and dual purpose. Analysis of runs of homozygosity allowed the...

Author(s)
Szmatoła, T.; Gurgul, A.; Jasielczuk, I.; Ząbek, T.; Ropka-Molik, K.; Litwińczuk, Z.; Bugno-Poniewierska, M.
Publisher
MDPI AG, Basel, Switzerland
Citation
Animals, 2019, 9, 12, pp 1024
Abstract

The aim was to investigate the population structure of eight beef breeds: three local Tuscan breeds under extinction, Calvana (CAL), Mucca Pisana (MUP), and Pontremolese (PON); three local unselected breeds reared in Sardinia, Sarda (SAR), Sardo Bruna (SAB), and Sardo Modicana (SAM); and two...

Author(s)
Fabbri, M. C.; Rezende, M. P. G. de; Dadousis, C.; Biffani, S.; Negrini, R.; Carneiro, P. L. S.; Bozzi, R.
Publisher
MDPI AG, Basel, Switzerland
Citation
Animals, 2019, 9, 11, pp 880
Abstract

The objective of this study was to estimate economic returns and costs associated with 4 scenarios of genetic evaluation that combine genotypes, phenotypes, and pedigree information from a vertically integrated purebred (PB) and commercial (CM) beef cattle system. Inference was to a genetic...

Author(s)
Buchanan, J. W.; MacNeil, M. D.; Raymond, R. C.; Nilles, A. R.; Eenennaam, A. L. van
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2018, 96, 10, pp 4076-4086
Abstract

The objective of this study was to estimate genetic parameters for body weight of beef cattle in performance tests. Different random regression models with quadratic B-splines and heterogeneous residual variance were fitted to estimate covariance functions for body weights of Nellore and crossbred...

Author(s)
Scalez, D. C. B.; Fragomeni, B. de O.; Santos, D. C. C. dos; Passafaro, T. L.; Alencar, M. M. de; Toral, F. L. B.
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2018, 47, pp e20150300
Abstract

Improved potential for weight gain and carcass classification traits in calves aimed at slaughter from dairy herds would increase the calves' economic value, and enable an increased beef production. At present, relatively low economic weights are placed on beef traits in the comprehensive Nordic...

Author(s)
Eriksson, S.; Ask-Gullstrand, P.; Fikse, W. F.; Jonsson, E.; Eriksson, J. Å.; Stålhammar, H.; Wallenbeck, A.; Hessle, A.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2020, 232,
Abstract

A full understanding of how specific genes affect live weight variables is required for their incorporation into genetic improvement programs. An analysis was done of the allelic frequencies of 28 single nucleotide polymorphisms (SNP) located in candidate genes for growth in cattle to identify...

Author(s)
Sifuentes Rincón, A. M.; Parra Bracamonte, G. M.; Arellano Vera, W.; Ambriz Morales, P.; Cantú Covarrubias, A.; Moreno Medina, V. R.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2020, 11, 1, pp 283-293
Abstract

Background: The trading of individual animal genotype information often involves only the exchange of the called genotypes and not necessarily the additional information required to effectively call structural variants. The main aim here was to determine if it is possible to impute copy number...

Author(s)
Rafter, P.; Gormley, I. C.; Parnell, A. C.; Kearney, J. F.; Berry, D. P.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Genomics, 2020, 21, 205, pp (4 March 2020)
Abstract

A pedigreed population containing 71 calves and 8 sires was used to compare sire qualification using three genotyping platforms [14 microsatellite, real-time quantitative PCR, and 100, 200, 500, and 1000 single nucleotide polymorphism (SNP) arrays]. Parentage was also qualified in an...

Author(s)
Buchanan, J. W.; Woronuk, G. N.; Marquess, F. L.; Lang, K.; James, S. T.; Deobald, H.; Welly, B. T.; Eenennaam, A. L. van
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Animal Science, 2017, 97, 2, pp 231-240
Abstract

The objective of this study was to discern opportunities for improving leather-making properties of hides originating from beef production systems based on indigenous Afrikaner cattle via crossbreeding. Data were previously unpublished breed means from purebred Afrikaner, Brahman, Charolais,...

Author(s)
MacNeil, M. D.; Scholtz, M. M.; Theunissen, A.; Bruyn, J. F. de; Neser, F. W. C.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2017, 57, 5, pp 811-814
Abstract

This study examined the feasibility and accuracy of using Illumina BovineSNP50 genotypes to estimate individual cattle breed composition and heterosis relative to estimate from pedigree. First, pedigree was used to compute breed fractions for 1124 crossbred cattle. Given the breed composition of...

Author(s)
Akanno, E. C.; Chen, L.; Abo-Ismail, M. K.; Crowley, J. J.; Wang, Z.; Li, C.; Basarab, J. A.; MacNeil, M. D.; Plastow, G.
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Animal Science, 2017, 97, 3, pp 431-438

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