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Publikacije (17)

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I. Alilović, D. Rukavina, A. Ajanović, Toni Eterovic, Hrvoje Milošević, Husein Ohran, A. Zahirović

OBJECTIVE Canine hip dysplasia (CHD) is a global disease and an improved diagnostic approach to this orthopedic condition is needed, with an emphasis on inexpensive and minimally invasive techniques. This research aimed to determine the differentiating potential of selected biochemical markers in serum between healthy dogs and dogs with hip dysplasia in a breed-specific study that involved the Tornjak dog population. ANIMALS 99 Tornjak dogs radiographically categorized (Federation Cynologique Internationale procedure and scoring scheme) between December 2019 and April 2021, as having no sign of hip dysplasia or near normal hip joints (nondysplastic group; n = 51) vs mild, moderate, or severe hip dysplasia (dysplastic group; 48). METHODS Serum concentrations and enzyme activity of the biochemical markers hyaluronic acid (HA), procollagen II C-terminal propeptide (PIICP), and metalloproteinase 9 (MMP9) were compared among adult dogs with or without radiographic hip dysplasia. Statistical tests used to examine the differentiating potential of biochemical markers in Tornjak dog groups were assessed using the Mann-Whitney U test, logistic regression, and receiving operating characteristics (ROC) analysis. RESULTS Tornjak dogs with radiographic CHD had significantly lower serum concentrations of HA and higher concentrations of PIICP and MMP9 activity compared to dogs with radiographically normal hips (P < .05). Selected biochemical markers could distinguish dogs with radiographic CHD from those without CHD with high sensitivity and specificity. CLINICAL RELEVANCE These data suggest that the diagnostic technique of measuring serum concentrations of HA, PIICP, and MMP9 activity has a selective ability to distinguish dogs with dysplastic from dogs with normal hips.

A. Hodžić, Husein Ohran, M. Hamamdžić, A. Gagić, A. Hrković-Porobija, E. Pašić-Juhas, A. Selimović, A. Ajanović et al.

Abstract This study aimed to investigate the effects of dietary supplementation with modified-hen-egg-yolk on plasma lipids and lipoprotein profiles in rats. During the four-week-experiment, 64 Wistar rats were divided into four groups of 16 (eight of both sexes), and fed commercial rat food (group C); food containing 70% commercial rat mixture and 30% freshly cooked egg yolk originating from laying hen eggs fed with 3% fish oil (group F); 3% palm olein (group P), or 3% lard (group L). The cooked egg yolk in the rat diet affected the concentrations of plasma total and LDL-cholesterol in males of the P and L groups. Cholesterol and total fat in the diet did not have a hypercholesterolemic effect on their own, but when in combination with fatty acid composition, they could contribute to an increase in plasma total and LDL cholesterol concentrations in rats. HDL-cholesterol was the most resilient plasma lipoprotein of rats to dietary treatments in our experiment. Compared to the control group, the addition of hen egg yolk to the rat diet regardless of its quality, adversely affected the values of HDL-C/TC and HDL-C/LDL-C in both males and females.

The purpose of this study was to assess the antioxidant activity of the fresh extracts of Croatian and Greek watermelon seeds. Samples were prepared using two extraction methods: Soxhlet and maceration. Ethanol was used as a solvent in the Soxhlet, and methanol in the maceration method. The mass fractions of the extracts obtained by maceration were lower compared to those obtained by the Soxhlet method. The antioxidant capacity of fresh watermelon-seed extracts was determined by DPPH (2,2-diphenyl-1-picrylhydrazyl radical) method. The antioxidant capacity of the extracts was also expressed via IC 50 (half maximal inhibitory concentration). Based on the obtained IC 50 values (1.41 to 2.60 mg ml −1 ), all tested extracts showed antiradical activity but antioxidant capacity was better in extracts obtained by the maceration method. The reason for this may be the use of methanol as a solvent, which was to be expected, since methanol is a more polar solvent than ethanol. The neutralisation capacity of DPPH radicals of analysed extracts was compared to the neutralisation capacity of ascorbic acid as standard. The concentrations of tested extracts required to neutralize 50 % of DPPH radicals were significantly higher than the required concentration of ascorbic acid (0.25 mg ml −1 ).

Many species of wild mushrooms are used as a delicacy in the diet, but data on their nutritional value and the effects of their storage on nutritional values are rare. The aim of this study was to determine the content of Free Amino Acids (FAAs), total carbohydrates, vitamin C, and total anthocyanins in six wild mushroom species collected in Bosnia and Herzegovina. Results showed that the drying of mushrooms does not have much influence on the presence of essential and non-essential amino acids. Mushrooms are an excellent source of amino acids whether they are fresh or dry. The total carbohydrate content varied between 12.25-62.75 mg g-1 for fresh mushroom extracts and 40.98-167.24 mg g-1 for dry mushroom extracts. The total carbohydrate content in dry mushrooms is significantly higher than in extracts of fresh mushrooms. The vitamin C content of mushrooms varied between 0.02-1.95 mg g-1 for fresh mushrooms and 0.0-0.63 mg g-1 for dry mushrooms. A lower vitamin C content was found in dry mushrooms, which can be affected by the method of drying mushrooms. The total anthocyanins content varied between 0.39-0.66 mg CGE mL-1 for fresh mushroom extracts and 0.10-0.19 mg CGE mL-1 for dry mushroom extracts. Lower total anthocyanins content was found in dry mushroom extracts, probably due to the destruction of anthocyanins by drying. Our research shows that selected wild edible mushrooms, fresh and dry, have considerable nutritional potential. However, further research is needed on both other nutrients and anti-nutrients in these mushrooms to support their nutritional dominance.

Ž. Jaćimović, Z. Tomić, G. Giester, E. Libowitzky, A. Ajanović, M. Kosović

Abstract C18H12Br2CuN4O2, monoclinic, P21/c (no. 14), a = 11.5165(11) Å, b = 5.4369(5) Å, c = 14.4872(14) Å, V = 873.52(14) Å3, Z = 2, R gt (F) = 0.0232, wR ref (F2) = 0.0559, T = 200 K.

M. Radić, L. Klepo, L. Karic, H. Džudžević-Čančar, J. Toromanović, A. Ajanović, A. Uzunović

Solanine is a glycoalkaloid found in the Solanaceae family, such as the potato. It is very poisonous even in small quantities because it has pesticide and fungicide effects and represents a natural plant defense mechanism. Its concentration increases when the plant is exposed to the agents that can cause plant stress (fertilization, insecticide use, etc.). This paper aims to examine the influence of three cultivation systems (conventionally, organically and naturally) on the biosynthesis of α-solanine (αS) through his quantification in young potatoes using densitometry. Two varieties of potatoes were analyzed: Aladdin (Ala) and Mona Lisa (MoL). For statistical analysis, the Student's t-test was used. The results showed that the use of artificial insecticides caused a very intense biosynthesis of αS in the conventionally grown Ala variety (1.19 mg/100 g of fresh tubers (f.t.)) in comparison to the average α-solanine content (AαSC) by the organically grown Ala (0.62 mg/100 gf.t.) (it is close to the statistical significance, (p=0.08)). It is difficult to explain the very high AαSC of natural Ala cultivation (1.62 mg/100 gf.t.). Analysis of potatoes of the MoL variety showed that the AαSC of conventionally grown potatoes (1.35 mg/100 gf.t.) was statistically higher than the AαSC of naturally grown potatoes (0.59 mg/100 g of f.t.) (p<0.05). Also, AαSC of the organically grown MoL (1.40 mg/100 gf.t.) was higher than the AαSC of naturally grown MoL, but without statistical significance (p>0.05). Concentrations of αS founded in the case of conventionally, organically and naturally grown potatoes are considered safe and such potatoes are suitable for consumption. However, because of a slight reduction in toxic αS, it is recommended to consume organically grown potatoes (Ala variety), and naturally grown potatoes (MoL variety).

D. Rukavina, I. Alilović, Ć. Crnkić, A. Ajanović, D. Preldžić, A. Čoralić, D. Čamo, D. Hadžijunuzović-Alagić et al.

D. Rukavina, I. Alilović, Ć. Crnkić, A. Ajanović, D. Preldžić, A. Čoralić, D. Čamo, D. Hadžijunuzović-Alagić et al.

Dunja Rukavian, D. Hasanbašić, J. Ramic, A. Zahirović, A. Ajanović, Kemal Beganović, A. Durmić-Pašić, Belma Kalamujić et al.

The focus of this study was on genetic diversity of TB horse population raised in B&H. Genomic DNA was genotyped by using 17 microsatellite markers. A total of 103 alleles were detected. The average number of alleles per locus was 6.059 and effective number of alleles was 3.293. Means of observed and expected heterozygosity were calculated 0.645 and 0.696, respectively. The average PIC values was 0.649 and inbreeding coefficient was 0.090. Based on all observed parameters, ASB2 locus showed the highest genetic diversity while locus HMS2 was the least diverse. These results suggest that the population of TB horses from B&H is not affected by substantial loss of genetic diversity, indicating the presence of reasonably high level of genetic variability.

D. Rukavina, Ć. Crnkić, A. Ajanović, D. Hasanbašić, A. Zahirović

The serum concentrations of hormones are widely used to diagnose thyroid and adrenocortical diseases in animals. The objectives of the present study were, for the first time, to determine serum thyroxine (T4) and cortisol values in Bosnian and Herzegovinian mountain horses, and to investigate the influences of age and gender on T4 and cortisol levels. Blood samples were collected on the stud farm Borike from 23 apparently healthy horses of both sexes aged between two and twenty-three years. Horses were grouped in three age classes: young mature horses, middle-aged horses and old horses. Serum samples were analyzed for T4 and cortisol concentrations. The T4 values ranged from 6 to 45 nmol/L with a mean ±SD of 22.83±8.32 nmol/L. The cortisol values ranged from 149 to 190 nmol/L with a mean ±SD of 171.57±11.46 nmol/L. Values of T4 decreased with increasing age (p=0.021). Mean value of T4 in young mature horses was 27.60 nm/L, in middle-aged horses was 19.40 nm/L and in old horses was 18.33 nm/L. Values of T4 were significantly higher (p=0.031) in females (24.88 nm/L) than in males (18.14 nm/L). Negative significant correlation between age and hormone concentration was observed for T4 (r = -0.431; p = 0.040). Differences between gender or age classes for cortisol values were not significant. The mean total serum T4 and cortisol values in Bosnian and Herzegovinian mountain horses were in the normal reference ranges for horses, and both age and gender significantly affected T4 levels.

D. Rukavina, A. Ajanović, D. Hasanbašić, A. Hodžić, Damir Suljevic, Kemal Beganović, A. Zahirović

Herzegovinian donkey is a very important animal resource of Bosnia and Herzegovina. There have been no works attempted at determining the normal values of hematological parameters of Herzegovinian donkey. For this reason, the objective of the present study was to investigate some hematological parameters in Herzegovinian donkey. The research was performed on 30 apparently healthy donkeys (18 female and 12 male) of ages from 1 to 20 years. Blood samples (3 ml) were obtained by jugular vein puncture (vena jugularis externa) in vacuum tubes with EDTA. The mean value of hematocrit was 29.19 %, hemoglobin concentration 10.6 g/dl, mean corpuscular hemoglobin concentration 36.33 g/dl, white blood cells 9.33 x109/L, granulocytes (109/L) 5.45 x109/L, granulocytes (%) 59.47%, lymphocyte/monocyte (109/L) 3.89 x109/L, lymphocyte/monocyte (%) 40.53% and platelet cells 148.97 x109/L. Parameters were determined using an automated analyzer IDEXX QBC VET AutoRead. Data were analyzed by SPSS V 15. All hematological parameters (except platelet cells) were consistent with the recommended reference ranges for donkeys, and the values found in literature so far. Platelet cells values were much lower than in the literature for the other donkey breeds and the recommended reference ranges for donkeys. The slight differences found between our results and those reported in the previous works confirm the need for further studies to investigate the reference values of hematological parameters of Herzegovinian donkey. This work is a contribution to the study of hematological parameters of Herzegovinian donkey, and we expect these data to be applied to the further studies.

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