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Abstract

Relationships among maternal nutritional status before calving, gestation period and calf size were investigated in Japanese Black cattle. The study included a total of 55 cows that calved between 2010 and 2011. Based on the average pregnancy period of Japanese Black cows (285 days), the study...

Author(s)
Baba, K.; Mastuda, K.
Publisher
Japanese Society of Large Animal Clinics, Towada, Japan
Citation
Japanese Journal of Large Animal Clinics, 2019, 10, 1, pp 17-21
Abstract

In cattle, accurate gestation length determination during pregnancy diagnosis helps to determine calving date. This aids beef cattle producers to estimate length of calving season, labor availability and labor cost and to make nutritional management decisions. The objective of the study was to...

Author(s)
Kasimanickam, R. K.; Aziz, R. L. A.; Kasimanickam, V. R.; Formen, C.
Publisher
The Society for Theriogenology, Montgomery, USA
Citation
Clinical Theriogenology, 2017, 9, 4, pp 573-582
Abstract

The event of giving birth is an essential part of animal production. In dairy cattle production, there are substantial economical and welfare-related challenges arising around the time of parturition, and hence increased focus on efficient management of the calving cow. Drawing on the research...

Author(s)
Rørvang, M. V.; Nielsen, B. L.; Herskin, M. S.; Jensen, M. B.
Publisher
Frontiers Media S.A., Lausanne, Switzerland
Citation
Frontiers in Veterinary Science, 2018, 5, March, pp 45
AbstractFull Text

The ability to identify cows with the highest future profit potential will have a substantial impact on herd profitability and efficiency. The Cow's Own Worth (COW) is a decision support tool that was developed to aid producers in making informed decisions on dairy females for culling and...

Author(s)
Kelleher, M. M.; Berry, D. P.; Amer, P. R.; Cromie, A.; Evans, R.
Publisher
International Committee for Animal Recording (ICAR), Rome, Italy
Citation
ICAR Technical Series, 2017, No.22, pp 61-65
Abstract

Bovine herpes virus 1 (BHV-1) manifests as a latent viral infection putatively affecting bovines. Understanding its effect on cattle herds is critical to maintaining sustainable beef and dairy production systems, as well as aiding in the development of herd health policies. The primary objective of ...

Author(s)
Lynch, R.; Kenny, D. A.; Parr, M. H.; Barrett, D.; Kelly, A. K.; Crosson, P.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Agricultural Science, 2018, 156, 4, pp 557-564
Abstract

This paper presents guidelines on monitoring dairy cows during calving as well as on the technical aids available to be implemented during parturition as well as on the various methods available to handle the welfare of the cow and calves during normal parturition and those with complications.

Author(s)
Peter, S.; Wilken, T.; Wassmuth, R.
Publisher
Besamungsverein Neustadt a.d. Aisch e.V., Neustadt a.d. Aisch, Germany
Citation
Zuchtwahl und Besamung, 2018, No.180, pp 46-48
Abstract

Genetic evaluations provide information to aid in breeding decisions that increase long-term performance of animals and herds. However, to date no study has been undertaken to investigate the accuracy of the Irish maternal genetic evaluations in beef cattle. The objective, therefore, of this study...

Author(s)
McHugh, N.; Cromie, A. R.; Evans, R. D.; Berry, D. P.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2014, 92, 4, pp 1423-1432
AbstractFull Text

The purpose of the paper was the analysis of the impact of selected breeding and environmental factors on the results of rearing heifers of the phf red-white variety. The research included 133 cows and heifers and their offspring, i.e. 116 calves only from single pregnancies. The calves were...

Author(s)
Kuczaj, M.; Czerniawska-Piątkowska, E.; Mizera, A.; Pilarczyk, R.; Pilarczyk, B.; Barton, P.
Publisher
Zoological Society of Pakistan, Lahore, Pakistan
Citation
Pakistan Journal of Zoology, 2019, 51, 3, pp 955-960
AbstractFull Text

Due to the successful genetic selection for higher milk production in Holstein dairy cows, a dramatic decline in fertility rates has been observed around in the world in recent decades. Therefore, herd management should focus the first 100 days postpartum to achieve optimum herd reproductive...

Author(s)
Szenci, O.; Szelényi, Z.; Lénárt, L.; Buják, D.; Kovács, L.; Kézér, L. F.; Han, B.; Horváth, A.
Publisher
Hrvatski veterinarski institut, Centar za peradarstvo, Zagreb, Croatia
Citation
Veterinarska Stanica, 2018, 49, 4, pp 297-307
Abstract

The authors in this literature review emphasize that parallel with the successful genetic selection for higher milk production in Holstein dairy cows, a dramatic decline in their reproductive performance has occurred. The average number of days open, the number of services per conception and the...

Author(s)
Szenci, O.; Szelényi, Z.; Lénárt, L.; Buják, D.; Kézér, F. L.; Han, B.; Horváth, A.
Publisher
Herman Ottó Institute Nonprofit Ltd., Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2017, 139, 12, pp 707-716

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