@article{
author = "Pavlović, Marija and Pavlović, Ivan and Radović, Milan and Ivanović, Snežana",
year = "2019",
abstract = "Uvod. Potpune smeše za ishranu nosilja su formulisane da zadovolje potrebe za održavanje života i adekvatnih proizvodnih performansi, a za koje postoje različite preporuke. Zahvaljujući visokoj nutritivnoj vrednosti hrana za životinje predstavlja povoljan supstrat za rast mikroorganizama. Bakterijske vrste koje se najčešće dovode u vezu sa hranom za živinu su Salmonella, Escherichia coli, Enterococcus, and Clostridium. Hrana kontaminirana patogenim bakterijama, može dovesti do pojave oboljenja i kod ljudi, kroz lanac hrane. Materijal i metode. 50 uzoraka potpunih smeša za ishranu nosilja je uzorkovano tokom 2018. godine kao deo službene kontrole. Uzorci hrane su analizirani na sadržaj proteina, pepela, masti, celuloze, kalcijuma i fosfora, broj aerobnih kolonija, ukupan broj gljivica i plesni, Salmonella spp. i sulfitoredukujuće klostridije. Rezultati i zaključak. Ukupan broj bakterija i plesni u uzorcima hrane za živinu bio je na nivou od 103 cfu/g. Salmonella spp. i sulfitoredukujuće klostridije nisu izolovane iz ispitivanih uzoraka. Saprofitske bakterije su često prisutne u potpunim smešama za ishranu životinja, ali retko u broju zbog kojeg bi se ova hrana smatrala mikrobiološki neispravnom. Saprofitske bakterija mogu smanjiti nutritivnu vrednost hrane za životinje, koristeći je kao susptrat za sopstvene metaboličke potrebe. Određeni ukupan broj bakterija i plesni, kao i odsustvo patogenih mikroorganizama u ispitivanim uzorcima ukazuje na usklađenost proizvođača sa zakonskom regulativom, uz adekvatnu kontrolu i nadzor nad proizvodnjom i prometom hrane za živinu u Republici Srbiji., Introduction. Complete feed mixtures for laying hens are formulated to meet the requirements of the animals, for which various recommendations exist. Because of its nutritive value, feed provides a favorable environment for the growth of microorganisms. Prominent bacterial pathogens in poultry feed include Salmonella, Escherichia coli, Enterococcus, and Clostridium. There is a strong link between poultry feeds contaminated with bacteria pathogenic to humans and food borne disease occurrence, due to the feed-poultry-food-human chain. Materials and Methods. A total of fifty samples of complete feed mixtures for laying hens were collected during 2018 as a part of official controls. Feeds were analyzed for crude protein, crude ash, crude fat, crude cellulose, calcium and phosphorus, total numbers of bacteria, numbers of molds, Salmonella spp. and sulfite-reducing clostridia. Results and Conclusions. The feeds contained total bacteria and molds each at the level of 10 3 cfu g-1. Additionally, no Salmonella spp. or sulfite-reducing clostridia were detected in any feed sample. Saprophytic bacteria are frequently found in complete feed mixtures, but rarely are present in numbers considered as microbiologically unsafe. However, the presence of saprophytic bacteria can decrease the nutritive value of feed. The total number of bacteria and molds below the regulatory limits, as well as absence of pathogens in the commercially available poultry feed, indicates a high level of compliance with regulation. Furthermore, these results indicate the adequate implementation of controls and supervision of these poultry feed products in the Serbian market.",
publisher = "Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd",
journal = "Veterinarski glasnik",
title = "Kvalitet i mikrobiološka ispravnost hrane za nosilje sa tržišta Srbije u 2018. godini, Nutritive and microbial quality of feed for laying hens from the Serbian market in 2018",
pages = "49-40",
number = "1",
volume = "73",
doi = "10.2298/VETGL180221009P",
url = "conv_109"
}