Serbian Institute for Animal Husbandry

Belgrade, Serbia

Serbian Institute for Animal Husbandry

Belgrade, Serbia
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Stankovic S.,Maize Research Institute Zemun Polje | Levic J.,Maize Research Institute Zemun Polje | Ivanovic D.,Maize Research Institute Zemun Polje | Krnjaja V.,Serbian Institute for Animal Husbandry | And 2 more authors.
Food Control | Year: 2012

The natural occurrence of fumonisin B 1 (FB 1) and its co-occurrence with zearalenone (ZEA), T-2 toxin and deoxynivalenol (DON) were surveyed in 103 winter wheat samples collected after four to six-month storage in family barns from different locations in Serbia. All 103 samples were mycotoxin positive. The mean concentrations of all mycotoxins except ZEA were greater in 2005 than in 2007. FB 1 was detected in 82.1% and 92.0% of all samples with ranges of 750-5400 μg kg -1 (mean, 2079.45 μg kg -1) and 750-4900 μg kg -1 (mean 918.76 μg kg -1) in 2005 and 2007, respectively. Moderate positive correlations were found between FB 1 and DON concentrations (r = 0.56 in 2005 and r = 0.54 in 2007) and between FB 1 and ZEA concentrations (r = 0.48 in 2005 and r = 0.60 in 2007), while a moderate negative correlation was detected between the production of FB 1 and T-2 toxin in 2007 (r = -0.33). This is the first report of FB 1 occurrence in naturally-contaminated wheat grain and its simultaneous occurrence with ZEA, DON and T-2 toxin in Serbia. Moreover, this is one of the rare reports presenting the occurrence of FB 1 on wheat in the world. © 2011 Elsevier Ltd.

Milicevic D.,Serbian Institute of Meat Hygiene and Technology | Jovanovic M.,University of Belgrade | Matekalo-Sverak V.,Serbian Institute of Meat Hygiene and Technology | Radicevic T.,Serbian Institute of Meat Hygiene and Technology | And 2 more authors.
Journal of Environmental Science and Health - Part C Environmental Carcinogenesis and Ecotoxicology Reviews | Year: 2011

Toxicological and histopathological investigations of tissues of commercially slaughtered chickens were carried out to provide a preliminary evaluation of the incidence of occurrence of ochratoxin A (OTA) in chicken sold in Serbian retail market. In addition, the etiology of nephropathies of these chickens was elucidated. The majority of these tissue samples were not found to contain measurable amounts of OTA. Moreover, the OTA levels found in analyzed tissues were generally low and there was no positive correlation between the presence of OTA and the frequency of histopathological changes. Histopathological changes such as degenerative changes in the kidneys and liver differed from the classical description of the mycotoxic nephropathy, indicating that the chicken nephropathy observed in Serbia may have a multitoxic etiology with possible synergistic effect between microorganisms and natural toxins, usually present in low concentrations. The low OTA results also suggested that chicken meat available in the retail market in Serbia are unlikely to pose any significant adverse health risk to the consumers with respect to OTA toxicity. Copyright © Taylor & Francis Group, LLC.

Tancic S.,Serbian Institute of Field and Vegetable Crops | Stankovic S.,Maize Research Institute Zemun Polje | Levic J.,Maize Research Institute Zemun Polje | Krnjaja V.,Serbian Institute for Animal Husbandry | Vukojevic J.,University of Belgrade
Genetika | Year: 2012

Species of the genus Fusarium are characterised by the exceptional intraspecies and interspecies variability in respect to morphological, physiological and genetic properties. Intraspecies and interspecies diversity of Fusarium verticillioides and Fusarium proliferatum isolates in the production of fumonisin B1 according to their origin from maize and wheat grains was studied. Fumonisin B1 production potential of investigated 42 isolates was assessed by HPTLC and ELISA method. All 22 and 20 investigated F. verticillioides and F. proliferatum isolates, respectively, had the ability to produce fumonisin B1 toxin. Fumonisin B1 production potential of F. verticillioides and F. proliferatum varied from 88.60 ppm to 1,300.60 ppm and from 2.37 ppm to 1,246.00 ppm, respectively. According to Mann-Whitnev U test, there were no significant differences between the fumonisin B1 production mean values of isolates of F. verticillioides originated from maize and wheat (628.13 ppm and 696.38 ppm, respectively), as well as, fumonisin B1 production mean values of F. proliferatum isolates (212.32 ppm and 158.07 ppm, respectively). Variability coefficient values indicated that fumonisin B1 production potential variability was more expressed in maize than wheat originated isolates for both species.

Stajic S.,University of Belgrade | Perunovic M.,University of Belgrade | Stanisic N.,Serbian Institute for Animal Husbandry | Zujovic M.,Serbian Institute for Animal Husbandry | Zivkovic D.,University of Belgrade
Journal of Food Processing and Preservation | Year: 2013

Six variants of beef, mutton and goat sucuk without (B, M, G) and with (Bs, Ms, Gs) starter cultures were examined. Chemical composition, proteolytic changes, color and sensory quality were observed. Starter variants had greater (P<0.05) weight loss (1.12-3.04%) and lower moisture content at production end (1.05-1.31%). pH reached minimum 4.80-4.91 (day 14) in variants with starters, while variants without starters 5.10-5.13 (day 30). Earlier disappearance of bands 100, 37-46 and 10kDa was observed in sarcoplasmic protein pattern of starter variants. Starter cultures had no major effect on myofibrillar proteins. Starter variants had greater L* values (47.07, 49.28, 50.45 as opposed to 42.81, 42.92, 45.87) and b* values (except B/Bs - 9.62, 11.53, 10.48 as opposed to 8.54, 9.87, 9.02). Assessors noticed greatest influence of starters on color, texture and taste. Application of starters had positive effects. Goat meat and mutton can be used with slight recipe modifications. PRACTICAL APPLICATIONS: Sucuk, dry-fermented sausage, is very common in the Middle East, Middle Asia and Southeastern Europe, and is one of the three most widespread fermented sausages in Serbia. Manufacturing of sucuk varies regionally, but in general, sucuk recipes consist of beef and beef fat and/or sheep tail fat. Sheep and goat farming is traditional in some parts of Serbia, and during the past years it has been on the increase (in some other parts of the country as well) because of dairy products. It was deemed necessary to establish the possibility of use of other types of meat available in a certain area (not only in Serbia, but also worldwide). Furthermore, according to data in written sources, the use of starter cultures may contribute to safety and sensory quality of the product. © 2012 Wiley Periodicals, Inc.

Pavlovic Z.,Institute for Public Health Pozarevac | Miletic I.,University of Belgrade | Jokic Z.,University of Belgrade | Pavlovski Z.,Serbian Institute for Animal Husbandry | And 2 more authors.
Biological Trace Element Research | Year: 2010

A 16-week-long experiment was performed to compare the effect of sodium selenite (SS) and selenium-enriched yeast (SY) supplementation on eggshell quality and also to evaluate breaking force correlation with other parameters of shell quality originating from hens fed with selenium supplementation. One hundred Shaver 579 hens (27 weeks old) with similar body size were randomly divided for five dietary treatments: basal diet without selenium supplementation and basal diets with two levels of selenium supplementation (0.4 or 0.8 mg/kg) via SS or SY. No adverse effect of Se inclusion in hen's feed, regardless of its source, on shell breaking force, shell deformation, shape index, shell thickness and shell percentage, were observed throughout the current study (P>0.05). Moderate correlations were found between breaking force and nondestructive shell deformation for all diets (P<0.05). There was no significant overall correlation between egg breaking force and shell thickness or/and percentage shell in the presence of selenium supplemention (P>0.05). Shape index in all four selenium-supplemented groups was not related to the breaking force (P>0.05). Selenium supplementation of up to 0.8 mg/kg, regardless of its source, in the diet of laying hens in their first phase of laying does not adversely affect eggshell quality. © Springer Science+Business Media, LLC 2009.

Levic J.,Maize Research Institute Zemun Polje | Stankovic S.,Maize Research Institute Zemun Polje | Krnjaja V.,Serbian Institute for Animal Husbandry | Tancic S.,Serbian Institute of Field and Vegetable Crops | And 2 more authors.
European Journal of Plant Pathology | Year: 2012

The frequency and incidence of fungi, as well as their interdependence, on rachis and grain of 14 wheat cultivars grown under 19 different agroecological conditions in Serbia, were studied. Out of the 23 identified fungal genera, a significantly higher number of species was isolated and identified from rachides (22) than from kernels of wheat (9). Fusarium and Alternaria species were the most frequent (up to 100 %) species on both, rachides and kernels, but the incidence of these fungi were higher on rachides than on kernels. The most frequent of the 14 Fusarium species were F. graminearum (96. 8 % on both, rachides and kernels) and F. poae (93. 8 % on rachides and 51. 6 % on kernels). The frequency of F. verticillioides was significantly higher on rachides (64. 5 %) than on kernels (19. 4 %). A positive correlation (r = 0. 5356 **) was established between the frequency of F. graminearum on rachides and on kernels. Furthermore, the frequency of Alternaria spp. was also statistically higher on rachides than on kernels, but the correlation was not statistically significant (r = 0. 1729). The incidence of F. graminearum was negatively correlated with the incidence of Alternaria species in both, rachides (r = -0. 3783 *) and kernels (r = -0. 4863 **). These are the first data on the frequency and incidence of fungi on wheat rachides in Serbia, and they support the few data presented in the world literature. Results of this research could be useful for better understanding of pathways in a fungal infection and the improvement of wheat breeding for resistance, as well as, a proper application of fungicides in the wheat head protection. © 2012 KNPV.

Krnjaja V.,Serbian Institute for Animal Husbandry | Mandic V.,Serbian Institute for Animal Husbandry | Levic J.,Maize Research Institute Zemun Polje | Stankovic S.,Maize Research Institute Zemun Polje | And 3 more authors.
Crop Protection | Year: 2015

In this study, the influence of nitrogen (N)-fertilization on Fusarium head blight (FHB) intensity (disease index), spike weight (SW), grain weight per spike (GWS), fungal incidence and deoxynivalenol (DON) and zearalenone (ZON) contamination was evaluated in winter wheat after artificial inoculation with Fusarium graminearum under field conditions. The trial was conducted using two Serbian wheat cultivars (Pobeda and Renesansa) during two growing seasons (2010-2011 and 2011-2012). Three nitrogen rates, 0, 75 and 150kgNha-1 were evaluated.Nitrogen at higher rates (75 and 150kgha-1) significantly increased SW and GWS in 2011 but there was no significant impact on FHB index in both growing seasons. Cultivars did not differ significantly in SW and GWS; however, FHB index was significantly higher (P=0.05) in Renesansa in 2012. The effect of N rates was not significant on incidence of F. graminearum and DON and ZON levels in wheat kernels in 2011, but it was significant (P≤0.01) in 2012 in which the highest level of incidence of F.graminearum and mycotoxins was observed in the treatment with 150kgNha-1. In both growing seasons, the effects of cultivar and spike treatments were significant (P≤0.01) for DON, whereas these effects were not significant for ZON in 2011. Higher levels of DON were observed in Pobeda, whereas Renesansa had higher levels of ZON. Furthermore, there were higher levels of DON and ZON in inoculated than non-inoculated spikes in both growing seasons.These results indicated that nitrogen fertilization did not increase FHB intensity in both growing seasons and did not increase levels of DON and ZON in 2011. On the other hand, artificial inoculation significantly increased FHB index in both growing seasons, resulting in greater contamination of kernels with F.graminearum and mycotoxins, in particular DON. Although the two cultivars differed in their effects on some of the investigated parameters, both were susceptible to FHB and mycotoxin accumulation, in particular DON. © 2014 Elsevier Ltd.

Rodic V.,University of Novi Sad | Peric L.,University of Novi Sad | Pavlovski Z.,Serbian Institute for Animal Husbandry | Milosevic N.,University of Novi Sad
World's Poultry Science Journal | Year: 2010

Poultry production is an important livestock sector in Serbia. It accounts for about 12% of the total value of country's livestock production. Providing relatively cheap food of high quality it is nowadays of particular importance due to economic transition problems and the consequent economic crisis that the country has faced since the beginning of the 1990s. However, despite the sector's importance, poultry production has actually had no institutional support for many years, and the poultry population, as well as broiler meat and table eggs production, has significantly declined over the last two decades. The sector is characterized by insufficient level of concentration, specialization, vertical integration and efficiency. It is estimated that small-scale farms and backyard poultry production in Serbia account for more than half of poultry meat production and two thirds of egg production, with a significant seasonal impact on local markets. The following paper gives an overview of both commercial and small-scale poultry production in Serbia and examine the major economic constrains to and opportunities for poultry sector improvement needed in view of Serbia's prospective EU integration. © World's Poultry Science Association 2010.

Bogosavljevic-Boskovic S.,University of Kragujevac | Pavlovski Z.,Serbian Institute for Animal Husbandry | Petrovic M.D.,University of Kragujevac | Doskovic V.,University of Kragujevac | Rakonjac S.,University of Kragujevac
African Journal of Biotechnology | Year: 2010

Proteins and lipids of muscle tissue are important meat quality parameters. They contribute substantially to the nutritional characteristics of meat. A number of studies has been conducted on the effect of different factors on the protein and lipid content of broiler meat. Given the above, the subject matter of the present paper was to provide a review of latest research results on the said quality traits as affected by the most commonly tested factors. The results were grouped and presented in terms of the effect of nutrition, genotype, sex, age and rearing system. The objective of the paper was to review major previous studies on the subject in an attempt to define a future research pathway and facilitate the promotion of scientific findings towards wider practical implementation. © 2010 Academic Journals.

Petrovic M.P.,Serbian Institute for Animal Husbandry | Muslic D.R.,Serbian Institute for Animal Husbandry | Petrovic V.C.,Serbian Institute for Animal Husbandry | Maksimovic N.,Serbian Institute for Animal Husbandry
African Journal of Biotechnology | Year: 2011

The present investigation was carried out to study the influence of environmental factors on the birth weight variability of two breeds of sheep. Animals used in this research were taken from the Pirot and Svrljig indigenous sheep breeds. The data were collected from 1999 to 2009 and were analyzed to determine the effect of the year and season, age of the lamb, weight of the lamb, birth type and sex on the birth weight of lambs. Both sheep breeds were managed in the same farm and under the same farm conditions. Statistical analysis was performed by using GLM procedure of SAS statistical package program. Results showed that young (2 to 3 years) and old (6 to 7 years) mothers gave birth to lighter lambs, while sheep in the middle age (4 to 5 years) gave birth to lambs with the heaviest body weight. However, the differences were respectively significant (P < 0.01). Birth weight of lambs also depended on weight of lamb, although differences in the average body weight of lambs were statistically significant (P < 0.05). Type of birth also had effect on the body weight of lambs at birth in both Pirot and Svrljig breeds (P < 0.05). Body weight of lambs at birth were almost the same for both sexes (3.39 and 3.36 kg for male and female in Pirot breed and 3.48 and 3.43 kg for male and female in Svrljig breed, respectively), though the difference was not statistically significant (P > 0.05). The values of birth weight observed for quite a number of years ranged from 3.27 to 3.52 kg in Pirot and 3.34 to 3.51 kg in Svrljig breed (P < 0.01). Lambs born in the spring-summer season has the heaviest body weight at birth. Conversely, the significant difference (P < 0.05) can only be interpreted as the factor of food source. © 2011 Academic Journals.

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