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Abstract

The recent field trials indicate that acceptable fertility with frozen semen may not differ significantly from the fertility of commercial fresh-chilled semen. The success rate of insemination is considered to be result of the interaction of three major factors: (1) the quality of frozen-thawed...

Author(s)
Horváth, A.; Szenci, O.
Publisher
Herman Ottó Institute Nonprofit Ltd., Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2018, 140, 6, pp 323-331
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
AbstractFull Text

We started to chart the genetic diversity and purity of the Carpathian honeybee substance by using genomic DNA markers. In different families, genotypes of queen bee can be determined by using STR markers and we can choose which the best for long-term ex-situ storage is. We can use the...

Author(s)
Tokár, A.; Stéger, V.; Heltai, B.; Szepesi, K.; Debnár, V. J.; Kerekes, A.; Antal, A.; Bodó, S.
Publisher
Szent István University, Gödöllő, Hungary
Citation
Animal Welfare, Ethology and Housing Systems, 2018, 14, 2, pp 92-99
Abstract

Background and Objectives: Many commercial swine farms cannot implement all-in-all-out (AIAO) because of different capacities of farrowing, nursery and finishing units. However, breaking the infection cycle is essential in disease eradications, thus creation of a sustainable batch management system ...

Author(s)
Búza, L.; Pogácsás, I.; Ózsvári, L.
Publisher
Herman Ottó Institute Nonprofit Ltd., Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2017, 139, 11, pp 643-653
AbstractFull Text

The aim of study was to develop a reliable semen collection and cryopreservation method for gene banking in European wild rabbit (Oryctolagus cuniculus). The animals were kept in cages individually. The bucks were trained for ejaculation into an artificial vagina. The device is hand-held beneath a...

Author(s)
Debnár, V. J.; Kerekes, A.; Torda, O.; Altbäcker, V.; Bodó, S.
Publisher
Szent István University, Gödöllő, Hungary
Citation
Animal Welfare, Ethology and Housing Systems, 2017, 13, 1, pp 12-17
Abstract

Background: The number of artificial insemination (AI) doses, which can be obtained from an ejaculate of a single boar have major economic implications in porcine AI centres. This needs a quick and an acceptable precise concentration measurements which could be performed with different methods....

Author(s)
Horváth, A.; Lénárt, M.; Füleki, Z.; Lénárt, L.; Lang, Zs.; Szenci, O.
Publisher
NAKVI, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2017, 139, 4, pp 195-201
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: 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 fertilizing spermatozoon has to have a series of attributes in order to achieve its goal: acceptable morphology, proper metabolism for energy production, progressive motility, capacity for hyperactive motility, etc. In addition, the genetic package of the fertilizing spermatozoon must contain...

Author(s)
Kakasi, B.; Nagy, Sz. T.
Publisher
Állattenyésztési és Takarmányozási Kutatóintézet, Herceghalom, Hungary
Citation
Állattenyésztés és Takarmányozás, 2016, 65, 1, pp 88-91
Abstract

Establishing a sperm bank for the ex situ genetic conservation of European Wild rabbit (Oryctolagus cuniculus) is in progress. For the success of forthcoming artificial insemination programs, it is important to provide good quality semen samples conserved by cryopreservation. We work on developing...

Author(s)
Debnár, V. J.; Altbäcker, V.; Bodó, Sz.
Publisher
Állattenyésztési és Takarmányozási Kutatóintézet, Herceghalom, Hungary
Citation
Állattenyésztés és Takarmányozás, 2016, 65, 1, pp 77-81

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