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Abstract

Relaxation of the intravaginal part of the uterus is obvious around 6 to 18 h before ovulation, and this is considered the optimal time for artificial insemination (AI), as demonstrated in recent studies. Estrous signs have been suggested as useful criteria for determining the optimal time for AI....

Author(s)
Sumiyoshi, T.; Endo, N.; Tanaka, T.; Kamomae, H.
Publisher
Society for Reproduction and Development, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2017, 63, 6, pp 597-604
Abstract

Ancient DNA (aDNA) is the most informative biomolecule extracted from skeletal remains at archaeological sites, but its survival is unpredictable and its extraction and analysis is time consuming, expensive and often fails. Several proposed methods for better understanding aDNA survival are based...

Author(s)
Wadsworth, C.; Procopio, N.; Anderung, C.; Carretero, J. M.; Iriarte, E.; Valdiosera, C.; Elburg, R.; Penkman, K.; Buckley, M.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Journal of Proteomics, 2017, 158, pp 1-8
AbstractFull Text

Author(s)
Bakker, M. L.; Ferragine, M. D. C.
Publisher
Asociación Argentina de Producción Animal, Balcarce, Argentina
Citation
Revista Argentina de Producción Animal, 2018, 38, Suplemento 1, pp 184
AbstractFull Text

Estimation of animal weight is critical in cattle production to assist in herd management and to estimate the value chain prices of the animals. There is a lack of tools for small-scale farmers and stakeholders to readily estimate cattle weight in communal livestock farming systems in South Africa. ...

Author(s)
Conan, A.; Meyer, A.; Reininghaus, B.; Rooyen, J. van; Knobel, D. L.
Publisher
South African Society for Animal Science, Hatfield, South Africa
Citation
Applied Animal Husbandry & Rural Development, 2018, 11, 1, pp 46-52
Abstract

Five different techniques of estimating the live cattle body weight were evaluated with the objective to identify the most reliable technique for use in the field. Weighbridge was used as the reference for other techniques. The measurement techniques evaluated were Weighbridge, Weigh tape, Rondo...

Author(s)
Wangchuk, K.; Wangdi, J.; Mindu, M.
Publisher
Taylor & Francis, Abingdon, UK
Citation
Journal of Applied Animal Research, 2018, 46, 1, pp 349-352
Abstract

Genetic evaluation of female fertility in Danish, Finnish, and Swedish dairy cows was updated in 2015 to multiple-trait animal model evaluation, where heifer and cow fertility up to third parity are considered as separate traits. A model for conception rate was also developed, which required...

Author(s)
Muuttoranta, K.; Tyrisevä, A. M.; Mäntysaari, E. A.; Pösö, J.; Aamand, G. P.; Lidauer, M. H.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 9, pp 8184-8196
Abstract

The aim of this study was to estimate genetic parameters for different precocious calving criteria and their relationship with reproductive, growth, carcass and feed efficiency in Nellore cattle using the single-step genomic BLUP. The reproductive traits used were probability of precocious calving...

Author(s)
Bonamy, M.; Kluska, S.; Peripolli, E.; Lemos, M. V. A. de; Amorim, S. T.; Vaca, R. J.; Lôbo, R. B.; Castro, L. M. de; Faria, C. U. de; Ferrari, F. B.; Baldi, F.
Publisher
Wiley, Berlin, Germany
Citation
Journal of Animal Breeding and Genetics, 2019, 136, 1, pp 15-22
Abstract

Genotype by environment interaction (G × E) effects for lactating cows' fertility traits may differ with lactation number when accounting for herd production level. Our objective here was to investigate the genetic correlations among three fertility traits in cows and lactation persistency within...

Author(s)
Yamazaki, T.; Takeda, H.; Osawa, T.; Yamaguchi, S.; Hagiya, K.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2019, 219, pp 97-103
Abstract

Recent studies have demonstrated that Linear mixed model (LMM) successfully correct for population structure and genetic relatedness in genome-wide association studies (GWAS). However, currently available LMM methods usually suffer from computational inefficiency. Here, we propose a novel method,...

Author(s)
Chang TianPeng; Wei JuLong; Wang XiaoQiao; Miao Jian; Xu LingYang; Zhang LuPei; Gao Xue; Chen Yan; Li JunYa; Gao HuiJiang
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2019, 220, pp 37-45
Abstract

The variance of gametic diversity (σgamete2) can be used to find individuals that more likely produce progeny with extreme breeding values. The aim of this study was to obtain this variance for individuals from routine genomic evaluations, and to apply gametic variance in a selection criterion in...

Author(s)
Santos, D. J. A.; Cole, J. B.; Lawlor, T. J.; VanRaden, P. M.; Tonhati, H.; Ma, L.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 6, pp 5279-5294

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