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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 examined the ovarian function of Prolific Merino sheep breed by hormone-analytical methods in spring and early summer. Blood plasma progesterone level was measured for following up the ovarian function; examining the reaction of ewes for cycle induction methods, rate of conception and...

Author(s)
Dankó, G. N.; Gyimóthy, G.; Oláh, J.; Kulcsár, M.; Magyar, K.; Vass, N.; Posta, J.; Balogh, P.; Jávor, A.
Publisher
Magyar Mezógazdaság KFT, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2012, 134, 2, pp 83-88
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 anatomy of the external cervical orifice in sheep is already well-described in scientific literature. The study was conducted to evaluate the shape of the external cervical orifice in Lacaune ewes. The morphology of the examined external cervical orifice in ewes were classified into four types: ...

Author(s)
Szabados, T.; Gergátz, E.; Gyökér, E.; Csiba, A.; Gyimóthy, G.; Németh, A.; Mihályfi, S.
Publisher
Állattenyésztési és Takarmányozási Kutatóintézet, Herceghalom, Hungary
Citation
Állattenyésztés és Takarmányozás, 2008, 57, 1, pp 55-64
Abstract

In Hungary, there were 1100-1200 stallions, which were enough to cover the insemination of the country's mare stock. The ownership relation of the stallions changed. Private ownership increased from 25 to 56%. Besides the increase in the number of the stallions, the proportion of cold-blooded and...

Author(s)
Varga, P.; Gulyás, L.; Bali, P. Á.; Nagy, G.
Publisher
Állattenyésztési és Takarmányozási Kutatóintézet, Herceghalom, Hungary
Citation
Állattenyésztés és Takarmányozás, 2006, 55, 5, pp 459-466
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 authors treated, in two series of experiments, dairy cows with 50 µg of GnRH-analogue preparation (1.0 ml Gonavet Veyx) for the purpose of increasing progesterone production of the corpus luteum (CL) and thus, increasing the chances of pregnancy. In the first experiment, GnRH was given i.m. on...

Author(s)
Köcski, L.; Mészáros, J.
Publisher
Magyar Mezógazdaság Kiadó KFT, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2007, 129, 2, pp 84-89
Abstract

Dairy cows were treated with 50 µg of a GnRH analogue preparation (1.0 ml Gonavet, Veyx) in two experiments (n=106 and 362 cows, respectively) during the 11th and 13th day after insemination for increasing the probability of conception by helping the function of the corpus luteum and its...

Author(s)
Köcski, L.
Publisher
Magyar Mezógazdaság Kiadó KFT, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2005, 127, 7, pp 394-398
Abstract

The effect of cryopreservation on rabbit spermatozoa was evaluated. The semen of 20 breeding bucks was evaluated with in vitro methods and artificial insemination (AI). It was shown that the recovery rate of cells was higher when the original concentration was lower. Cryopreservation decreased the...

Author(s)
Baranyai, B.; Virág, G.; Polgár, Z.; Bodó, S.; Kovács, A.; Gócza, E.
Publisher
Állattenyésztési és Takarmányozási Kutatóintézet, Herceghalom, Hungary
Citation
Állattenyésztés és Takarmányozás, 2003, 52, 2, pp 122-130
Abstract

The authors compared the efficacy of three different cycle induction/synchronisation protocols used out of the breeding season in dairy Awassi ewes. In Experiment 1 (Exp.1) 85 autumn-lambing dams were used. Proportion of out-of-season cycling animals was determined by assaying milk progesterone...

Author(s)
Faigl, V.; Keresztes, M.; Árnyasi, M.; Kulcsár, M.; Balogh, O.; Nagy, S.; Szenci, O.; Cseh, S.; Huszenicza, G.
Publisher
Magyar Mezógazdaság KFT, Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2012, 134, 1, pp 24-29

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