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Animal Science Database

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Abstract

Up to the 18th century, the prevailing view of reproduction, or 'generation' as it was referred to, was that organisms develop from miniatures of themselves, termed preformation. The alternative theory, epigenesis, proposed that the structure of an animal emerges gradually from a relatively...

Author(s)
Lonergan, P.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2018, 12, s1, pp s4-s18
Abstract

Many domestic breeds face challenges concerning genetic variability, because of their small population sizes along with a high risk of inbreeding. Therefore, it is important to obtain knowledge on their extinction risk, along with the possible benefits of certain breeding strategies. Since many...

Author(s)
Hertz, M.; Jensen, I. R.; Jensen, L.Ø.; Nielsen, I. V.; Winde, J.; Stronen, A. V.; Kristensen, T. N.; Pertoldi, C.
Publisher
Food and Agriculture Organization of the United Nations (FAO), Rome, Italy
Citation
Animal Genetic Resources, 2016, 59, pp 105-112
Abstract

The development of pig production in Russia has been adversely affected by sanctions limiting imports of breeding stock, and by foreign exchange rates that have increased the costs of imported machinery and consumables used in the sector. Imports of breeding stock into Russia have also been...

Author(s)
Rud', A. I.
Publisher
Izdatel'ski Dom Svinovodstvo, Moscow, Russia
Citation
Svinovodstvo (Moskva), 2015, No.3, pp 8-10
AbstractFull Text

The reproductive performance of a hyperprolific line of pigs on an intensive farrow-to-finish farm was analyzed. A total of 238 DanBred sows, inseminated with Duroc or Pietrain semen, were used. On the first days post-partum, litters were equalized; at weaning, litter size was recorded. Several...

Author(s)
Sousa, R.; Cardoso, J.; Carolino, N.; Pardal, P.
Publisher
Red CONBIAND, Córdoba, Spain
Citation
Actas Iberoamericanas de Conservación Animal, 2017, 9, pp 72-75
AbstractFull Text

The aim was to identify risk factors associated with Coxiella burnetii antibody positivity in bulk tank milk (BTM) samples from 100 randomly selected Danish dairy cattle herds. Antibody levels were measured by an enzyme-linked immuno-sorbent assay. Before testing the herds, the farm managers were...

Author(s)
Agger, J. F.; Paul, S.; Christoffersen, A. B.; Agerholm, J. S.
Publisher
BioMed Central Ltd, London, UK
Citation
Acta Veterinaria Scandinavica, 2013, 55, 80, pp (14 November 2013)
Abstract

With focus on the farm animal embryo, a short overview is given about my research activities over the last 35 years. These activities have been described in five circles, covering different key aspects of my work. The first circle included studies on the basic biology related to oocyte maturation...

Author(s)
Callesen, H.
Publisher
Colégio Brasileiro de Reprodução Animal, Belo Horizonte, Brazil
Citation
Animal Reproduction (Belo Horizonte), 2016, 13, 3, pp 334-339
Abstract

This article discusses the management of artificial insemination in Denmark. Focus is given on the features of artificial insemination centres in the country, including biosecurity, semen analysis and processing, influence of semen quality on fertility and semen dilution and preservation.

Author(s)
Bertacchini, F.
Publisher
Il Sole 24 Ore Edagricole Srl, Bologna, Italy
Citation
Rivista di Suinicoltura, 2011, 52, 11, pp 52, 54
Abstract

In dairy cattle, the widespread use of artificial insemination has resulted in increased selection intensity, which has led to spectacular increase in productivity. However, cow fertility has concomitantly severely declined. It is generally assumed that this reduction is primarily due to the...

Author(s)
Kadri, N. K.; Sahana, G.; Charlier, C.; Iso-Touru, T.; Guldbrandtsen, B.; Karim, L.; Nielsen, U. S.; Panitz, F.; Aamand, G. P.; Schulman, N.; Georges, M.; Vilkki, J.; Lund, M. S.; Druet, T.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS Genetics, 2014, 10, 1, pp 1004049
Abstract

PRRS (porcine reproductive and respiratory syndrome) is a worldwide viral disease in pigs (Sus scrofa) causing reproduction failure in sows and respiratory distress in piglets and finishing pigs. PRRS has an important economical impact. The causative agent of the disease, PRRS virus (PRRSV), is a...

Author(s)
Nokireki, T.
Publisher
Suomen Eläinlääkäriliitto, Helsinki, Finland
Citation
Suomen Eläinlääkärilehti, 2010, 116, 6, pp 339-343
Abstract

Fourier-transform infrared (FTIR) spectra are used to predict the fat, protein, casein, and lactose contents of milk. These estimates are currently used to predict the individual estimated breeding values of animals. The objective of the present study was to estimate the genetic variation and...

Author(s)
Bittante, G.; Cecchinato, A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 9, pp 5991-6006

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