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001-es BibID:	BIBFORM072931
Első szerző:	Csapó János (agrármérnök)
Cím:	Colostrum and milk of different cattle breeds as amino acid source / János Csapó, Béla Béri, Ágnes Süli, Éva Varga-Visi
Dátum:	2012
ISSN:	1581-9175
Megjegyzések:	The aim of the research was to compare the amino acid composition of colostrum and milk of the most current dairy cattle breed (Holstein-Friesian) and that of other breeds that occur less frequently. Breeds were kept at the same farm, other factors affecting colostrum and milk composition such as housing system and feed regime were kept at the same level. Amino acid analysis was carried out following acidic hydrolysis of proteins with an amino acid analyser with post-column derivatization. The amino acid content of colostrum differed on the third day of lactation. HolsteinFriesian cows contained more lysine, isoleucine, leucine, valine, phenylalanine, and threonine than that of Swedish red,Jersey, Brown Swiss and Norwegian red cows (P < 0.05). The decrease of the amino acid content in the function of timefollowed the decline of protein content. The composition of colostrum proteins showed some changes in terms of theincrease of the ratio of the nonessential glutamic acid and proline, and decrease of the ratio of threonine. The aminoacid composition of milk proteins of the examined breeds differed only slightly. The higher protein content of the milkof concentrated-milk-breeds was accompanied with higher essential amino acid content.
Tárgyszavak:	Agrártudományok Állattenyésztési tudományok konferenciacikk cattle colostrum milk amino acid content
Megjelenés:	Acta Agriculturae Slovenica. - 100 : Suppl. 3. (2012), p. 327-331. -
További szerzők:	Béri Béla (1951-) (agrármérnök) Süli Ágnes (1980-) (agrármérnök) Vargáné Visi Éva (1971-) (agrármérnök)
Pályázati támogatás:	NKFP-07-A3 TEJUT-08 Egyéb
Internet cím:	Szerző által megadott URL Intézményi repozitóriumban (DEA) tárolt változat
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