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., Drochner, W. (1998.): Effect of a silage additive based on lactic acid bacteria on grass silage quality, digestibility, feed intake and milk production of dairy cows. Proceedings of the conference on nutrition of domestic animals, 30–38. p

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.1016/B978-0-08-100455-5.00010-2. Vojtela , T. , Pazsiczki , I. , Kelemen , Zs. , Bak , J. , Kocsis , L. , Fenyvesi , L. ( 2010 ) Harvesting silage maize for needs of dairy

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Acta Veterinaria Hungarica
Authors:
B. H. Kikkers
,
L. Ózsvári
,
F. J. C. M. Van Eerdenburg
,
Á. Cs. Bajcsy
, and
O. Szenci

Ewbank, R. (1966): A possible correlation, in one herd, between certain aspects of the lying behaviour of tied up dairy cows and the distribution of subclinical mastitis among the quarters of their udders. Vet. Rec. 78 , 299

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Agrokémia és Talajtan
Authors:
László Horváth
,
Mária Asztalos
,
Ernő Führer
,
Róbert Mészáros
,
Kálmán Rajkai
, and
Tamás Weidinger

Smits, M. J. C., Monteny, G. J. & van Duinkeren, G., 2003. Effects of nutrition and management factors on ammonia emission from dairy cow herds: models and field observations. Livestock Prod. Sci. 84 . 113--123. Effects of

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Pilar, M., Arriaga, H., Salcedo, G., Márton L., Pinto, M. 2006. Diet influence on ammonia emission in lactating dairy cows. NEIKER, Bilbao, Spain, 5 pp. Pinto M

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infects the placenta and then it may spread to the fetus via the amniotic-oral or haematogenous route ( Agerholm, 2013 ). The retention of fetal membranes is a common problem in periparturient dairy cows, but its exact aetiology has not been fully

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fertilizers on the mineral composition of herbage and on the incidence of hypomagnesaemia in dairy cows. J. Agric. Sci. 60. 313–328. Mengel, K., 1976. A növények táplálkozása és anyagcseréje. Mezőgazdasági Kiadó. Budapest

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Cereal Research Communications
Authors:
Marcela Šperanda
,
Tomislav Šperanda
,
Jadranka Wagner
,
Matija Domaćinović
, and
Zvonko Antunović

A. M. S. — Thilsing-Hansen T. — Jorgensen R. J. — 2003 — Aspects of physiological effects of sodium zeolite A supplementation in dry, nonpregnant dairy cows fed grass silage — Acta Veterinaria Scandinavica. (Suppl 97): 97

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. Silvestre 2005 Resynchronisation of ovulation and timed insemination in lactating dairy cows, II. assigning protocols according to stages of the estrous cycle, or presence of ovarian cysts or anestrus Theriogenology 63 1628 – 1642 . [5]. Li

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Acta Veterinaria Hungarica
Authors:
Róbert Kocsis
,
Judit Süle
,
Péter Nagy
,
Judit Gál
,
Emília Tardy
,
Gábor Császár
, and
Bence Rácz

observed between 2011 and 2020. The reason for this is related to a decrease in the number of dairy farms in Hungary. The number of dairy farms included in this study was 984 in 2011 and 797 in 2020. As the number of dairy cows is constantly growing in

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