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JONECOVÁ, Zuzana - BOMBA, Alojz - GANCARČÍKOVÁ, Soňa - NEMCOVÁ, Radomíra - SCIRANKOVÁ, Ľuboslava - KOŠČOVÁ, Jana - BULECA, Viktor. Comparison of some economic aspects of replacement antibiotic feed additive by potentiated probiotic preparation in piglets. In: . NEW PERSPECTIVES OF PROBIOTICS, Košice, Slovakia 15th-19th September 2004. Košice, 2004. 2004. s. 46.

CENCI-GOGA, Beniamino Terzo - BYSTRICKÝ, Pavel - NAGY, Jozef - PIPOVÁ, Monika. Comparison of three DNA extraction methods to detect TET(M) gene from raw milk. In: . Hygiena alimentorum XXV. 2004 Actual questions of production and processing of the milk - safe food for everyone. 2004. ISBN 80-8077-000-X, s. 103.

HIŠČÁKOVÁ, Mária - JESENSKÁ, Mária - KOVÁČ, Gabriel - LINK, Róbert - SEIDEL, Herbert. Concentrations of cadmium and arsenic in milk of dairy cows in Slovakia. In: . Hygiena alimentorum XXV: Actual questions of production and processing of the milk - safe food for everyone, May 26th-28th 2004, Štrbské Pleso, High Tatras : Proceedings of Abstracts. 1. vyd. Košice : UVL, 2004. 2004. ISBN 80-8077-000-X, s. 61.

JESENSKÁ, Mária - HIŠČÁKOVÁ, Mária - KOVÁČ, Gabriel - LINK, Róbert - SEIDEL, Herbert. Concentrations of lead and zinc in milk of dairy cows from three slovakian regions. In: . Hygiena alimentorum XXV: Actual questions of production and processing of the milk - safe food for everyone, May 26th-28th 2004, Štrbské Pleso, High Tatras : Proceedings of Abstracts. 1. vyd. Košice : UVL, 2004. 2004. ISBN 80-8077-000-X, s. 62.

BÁTOR, Rastislav - FLEŠÁROVÁ, Slávka - ŠULLA, Igor - DANKO, Ján - MARETTOVÁ, Elena. Development of inconstant grooves on the cortex of the brain in sheep. In: . New Aapproaches in Morphology, June 28-July 1, 2004, Košice : 42nd Congress of the Slovak Society with International Participation: Abstracts. 1. vyd. Košice : UPJŠ v Košiciach, 2004. 2004. ISBN 80-7097-554-7, s. 3.

HÚSKA, Miroslav - KOVÁČ, Gabriel - LINK, Róbert - MARETTA, Milan - NOVOTNÝ, Jaroslav - REVAJOVÁ, Viera - KORÉNEK, Marián. Effect of application of Lactobacillus plantarum and E.coli to internal environment of pigs. In: . NEW PERSPECTIVES OF PROBIOTICS, Košice, Slovakia 15th-19th September 2004. Košice, 2004. 2004. s. 113.

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KIMÁKOVÁ, Tatiana - KORÉNEKOVÁ, Beáta - SKALICKÁ, Magdaléna - NAĎ, Pavel. Effect of cadmium on biological changes of Japanese quail's kidney. In: . New approaches in morphology. 42nd Congress of the Slovak society with international participation. June 28-July 1,2004 Abstracts. 2004. s. 43.

MUDROŇOVÁ, Dagmar - NEMCOVÁ, Radomíra - LAUKOVÁ, Andrea - KOŠČOVÁ, Jana - STROMPFOVÁ, Viola - GYÖRYOVÁ, Katarína - SZUNYOGOVÁ, Erika. Effect of Lactobacillus fermentum alone, and in combination with zinc(II) propionate on Salmonella enterica var. Dusseldorf in japanese quails. In: . NEW PERSPECTIVES OF PROBIOTICS, Košice, Slovakia 15th-19th September 2004. Košice, 2004. 2004. s. 110.