članak: 1 od 1  
Biotechnology in Animal Husbandry
2008, vol. 24, br. 5-6, str. 33-43
jezik rada: engleski
izvorni naučni članak
doi:10.2298/BAH0806033S
Uticaj kvasaca, probiotika i enzima u obrocima na proizvodnost visokomlečnih krava u tranzicionom periodu
Sretenović Ljiljanaa, Petrović Milan P.a, Aleksić S.a, Pantelić Vladaa, Katić V.b, Bogdanović V.c, Beskorovajni R.d
aInstitut za stočarstvo, Zemun
bUniverzitet u Beogradu, Fakultet veterinarske medicine
cUniverzitet u Beogradu, Poljoprivredni fakultet
dInstitut PKB Agroekonomik

e-adresa: iah@eunet.rs

Projekat Ministarstva nauke Republike Srbije, br. TR 20042/08

Sažetak

Period zasušenja i rana laktacija karakterišu se brojnim problemima koji mogu da se uspešno premoste uključivanjem dodataka u hranu kao što su probiotici, kvasci, enzimi i dr. U radu su ispitani efekti preparata yeasture koji predstavlja kompoziciju ovih dodataka a koji je uključen u obroke krava dve nedelje pre i osam nedelja posle telenja u količini od 10 g po grlu dnevno. Uključivanje pomenutih dodataka uticalo je na poboljšanje svarljivosti suve materije kabastih hraniva (sena lucerke, silaže cele biljke kukuruza i siliranog rezanca šećerne repe) što je konačno značajno uticalo na poboljšanje proizvodnih performansi odnosno povećanje količine mleka za 10.86%. Jednovremeno pomenuti dodaci povoljno su uticali na popravljanje zdravstvenog stanja vimena krava što se odrazilo na smanjenje broja somatskih ćelija za 7.3 procentnih poena. Najvažniji parametri krvi pre i posle eksperimenta kretali su se u fiziološki optimalnim granicama. Navedeni argumenti su dovoljan razlog da se uključivanje pomenutih supstansi u obroke visokomlečnih krava u periodu zasušenja i rane laktacije preporuči u proizvodnji mleka.

Ključne reči

mlečne krave; probiotici; kvasci; enzimi; tranzicioni period

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