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Abstract

Suboptimal reproductive performance is a common problem in dairy herds worldwide. Open cows after insemination can be found by efficient heat detection, or by early pregnancy diagnosis. The authors reviewed the factors relating to the accuracy of the early pregnancy diagnosis methods used on dairy...

Author(s)
Fodor, I. Ó. L.
Publisher
NAKVI, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2017, 139, 1, pp 3-15
Abstract

Background: Transrectal ultrasonography is a valuable tool in the reproductive management of dairy cattle, however, it is still not used in a large proportion of the Hungarian dairies. Objectives: The aim of our study was to quantify the impact of the reproductive ultrasound examinations on the...

Author(s)
Fodor, I.; Cziger, Zs.; Ózsvári, L.
Publisher
NAKVI, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2016, 138, 9, pp 515-522
Abstract

The authors summarize the recent results about the bacterial complications of the involution. Achieving the optimum herd reproductive performance requires concentrated management activities such as careful assistance at calving, prevention of postpartum metabolic diseases, early diagnosis and...

Author(s)
Szenci, O.; Buják, D.; Bajcsy, A. C.; Horváth, A.; Bo, H.; Szelényi, Z.
Publisher
NAKVI, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2015, 137, 5, pp 271-282
Abstract

Background: Heifer raising represents 15-20% of the total milk production costs, but the management of replacement heifers is often neglected. The goal of replacement heifer programmes is to reduce raising costs, while maximizing future profitability. Objectives: The aim of our study was to survey...

Author(s)
Fodor, I.; Walter, B.; Monostori, A.; Abonyi-Tóth, Z.; Ózsvári, L.
Publisher
Herman Ottó Institute Nonprofit Ltd., Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2018, 140, 2, pp 67-74
Abstract

Background: The reproductive performance of the Hungarian dairy cattle population has been continuously declining since the early '80s. Objectives: The aim of our study was to survey the reproductive management practices and performance in Hungarian dairy herds in order to assess the current...

Author(s)
Fodor, I.; Búza, L.; Ózsvári, L.
Publisher
NAKVI, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2016, 138, 11, pp 653-662
Abstract

The authors evaluated the results of the regular pregnancy examinations in a Holstein-Friesian dairy herd during a two-year interval. Pregnancy examinations were carried out by ultrasonography at Days 29 to 42 after insemination. Sensitivity, specificity, positive and negative predictive values of...

Author(s)
Szelényi, Z.; Kovács, L.; Bajcsy, Á. C.; Tőzsér, J.; Szenci, O.
Publisher
Magyar Mezógazdaság KFT, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2012, 134, 3, pp 138-144
Abstract

The testicular thermoregulation of dairy bulls was studied in a basic research programme with the help of custom needle thermocouples and a computerized, multichannel data collector system. A single GnRH injection starts the testicular thermoregulation and the above mentioned equipment are used for ...

Author(s)
Gábor, G.; Szász, F.
Publisher
Állattenyésztési és Takarmányozási Kutatóintézet, Herceghalom, Hungary
Citation
Állattenyésztés és Takarmányozás, 2003, 52, 2, pp 112-121

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