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Abstract

The effectiveness of selection is a component of many factors, which are difficult to divide at this stage and not always possible. To a large extent, it is determined by the breeding qualities of the original genotypes, in particular, of stud bulls, their number, and the degree of genetic...

Author(s)
Gukezhev, V. M.; Gabaev, M. S.; Zhanshuev, Z. K.
Publisher
Izdatel'ski Dom "Folium", Moscow, Russia
Citation
Agrarnaya Rossiya, 2020, 5, pp 38-41
AbstractFull Text

In order to estimate the variance components as well as the breeding value for daily milk production of Holstein cows in terms of heat stress defined as different THI threshold values (68, 70, and 72) 1,275,713 test-day records from 90,159 cows were used. Temperature-humidity index (THI) calculated ...

Author(s)
Vučkoviç, G.; Bobić, T.; Mijić, P.; Gavran, M.; Gregić, M.; Potočnik, K.; Bogdanović, V.; Gantner, V.
Publisher
Hrvatska mljekarska udruga - Croatian Dairy Union, Zagreb, Croatia
Citation
Mljekarstvo, 2020, 70, 3, pp 201-209
AbstractFull Text

This study was carried out to estimate genetic parameters and trends for reproductive performances of Ghezel sheep. The traits included in the analyses were litter size at birth (LSB) and weaning (LSW), and litter mean weight per lamb born (LMWLB) and weaned (LMWLW) as basic traits, and total...

Author(s)
Baneh, H.; Ahmadpanah, J.
Publisher
Pakistan Agricultural Scientists Forum, Lahore, Pakistan
Citation
JAPS, Journal of Animal and Plant Sciences, 2020, 30, 1, pp 239-246
Abstract

This chapter describes the interaction of environment with genetics to generate phenotype in horses and highlights the methods for determining heritability and breeding values among horses.

Author(s)
Bailey, E.; Brooks, S. A.
Publisher
CABI, Wallingford, UK
Citation
Horse genetics, 2020, Ed.3, pp 188-196
Abstract

A preliminary evaluation towards a breeding value of the Holstein breeding bulls with different genotypes of somatotropin cascade genes is presented: pituitary transcription factor or growth hormone factor (PIT1), prolactin (PRL), somatotropin (GH), somatotropin releasing hormone (GHRH),...

Author(s)
Zagidullin, L.; Gilemhanov, I.; Khisamov, R.; Tyulkin, S.
Publisher
EDP Sciences S.A., Les Ulis, France
Citation
BIO Web of Conferences, 2020, 17,
Abstract

This study evaluated the genetic (TG) and phenotypic (TF) trends for the peak yield (PP), milk yield (RL), and lactation persistency (P) traits of the Murciano-Granadina (MG) goat lactation curve obtained from 80,872 lactations of 85,404 goats (historical records from 1990-2012). The biomodelling...

Author(s)
Miranda Alejo, J. C.; León Jurado, J. M.; Pieramati, C.; Gómez Carpio, M. M.; Valdés Hernández, J.; Barba Capote, C. J.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2020, 11, 2, pp 380-392
Abstract

In the present study, data collected from 1993 to 2011 in Raeini Cashmere goat breeding station were used for genetic evaluation and inferring causal relationships among reproductive traits applying structural equation models. The studied lifetime reproductive traits were included the overall...

Author(s)
Mokhtari, M. S.; Barazandeh, A.; Damaneh, M. M.; Roudbari, Z.
Publisher
University of Tehran, Tehran, Iran
Citation
Iranian Journal of Animal Science (IJAS), 2020, 51, 1, pp Fa49-Fa59
Abstract

Feeding costs represent one of the highest expenditures in animal production systems. Breeding efficient animals that express their growth potential while eating less is therefore a major objective for breeders. We estimated the genetic parameters for feed intake, feed efficiency traits (residual...

Author(s)
Tortereau, F.; Marie-Etancelin, C.; Weisbecker, J. L.; Marcon, D.; Bouvier, F.; Moreno-Romieux, C.; François, D.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2020, 14, 4, pp 681-687
Abstract

Wild quantitative genetic studies have focused on a subset of traits (largely morphological and life history), with others, such as behaviors, receiving much less attention. This is because it is challenging to obtain sufficient data, particularly for behaviors involving interactions between...

Author(s)
Regan, C. E.; Pemberton, J. M.; Pilkington, J. G.; Smiseth, P. T.; Wilson, A. J.
Publisher
Oxford University Press, Cary, USA
Citation
Behavioral Ecology, 2020, 31, 1, pp 114-122
Abstract

Conventional genetic evaluations have been framed on estimated breeding values from equation systems of mixed models that consider simultaneously random and fixed effects. Recently, the development in genome sequencing technologies has allowed obtaining genomic information to include in genetic...

Author(s)
Amaya Martínez, A.; Martínez Sarmiento, R.; Cerón-Muñoz, M.
Publisher
Corpoica (Corporación Colombiana de Investagación Agropecuaria), Bogota, Colombia
Citation
Ciencia y Tecnologia Agropecuaria, 2020, 21, 1,

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