Template-Type: ReDIF-Article 1.0 Author-Name: editors Title: Volume 59, Contents Author Index 2014 Journal: Czech Journal of Animal Science Pages: I-VIII Volume: 59 Issue: 12 Year: 2014 DOI: 10.17221/7798-CJAS File-URL: http://cjas.agriculturejournals.cz/doi/10.17221/7798-CJAS.html File-Format: text/html Handle: RePEc:caa:jnlcjs:v:59:y:2014:i:12:id:7798-CJAS Template-Type: ReDIF-Article 1.0 Author-Name: V. Zink Author-Workplace-Name: Institute of Animal Science, Prague-Uhříněves, Czech Republic Author-Name: L. Zavadilová Author-Workplace-Name: Institute of Animal Science, Prague-Uhříněves, Czech Republic Author-Name: J. Lassen Author-Workplace-Name: Department of Genetics and Biotechnology, Danish Institute of Agricultural Sciences, Aarhus University, Tjele, Denmark Author-Name: M. Štípková Author-Workplace-Name: Institute of Animal Science, Prague-Uhříněves, Czech Republic Author-Name: M. Vacek Author-Workplace-Name: Institute of Animal Science, Prague-Uhříněves, Czech Republic Author-Workplace-Name: Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic Author-Name: L. Štolc Author-Workplace-Name: Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic Title: Analyses of genetic relationships between linear type traits, fat-to-protein ratio, milk production traits, and somatic cell count in first-parity Czech Holstein cows Abstract: Genetic and phenotypic correlations between production traits, selected linear type traits, and somatic cell score were estimated. The results could be useful for breeding programs involving Czech Holstein dairy cows or other populations. A series of bivariate analyses was applied whereby (co)variance components were estimated using average information (AI-REML) implemented via the DMU statistical package. Chosen phenotypic data included average somatic cell score per a 305-day standard first lactation as well as the production traits milk yield, fat yield, protein yield, fat percentage, and protein percentage per the standard first lactation. Fifteen classified linear type traits were added, as they were measured at first lactation in the Czech Holstein population. All phenotypic data were collected within the progeny testing program of the Czech-Moravian Breeders Corporation from 2005 to 2009. The number of animals for each linear type trait was 59 454, except for locomotion, for which 53 424 animals were recorded. The numbers of animals with records of milk production data were 43 992 for milk yield, fat percentage, protein percentage, and fat-to-protein percentage ratio and 43 978 for fat yield and protein yield. In total, 27 098 somatic cell score records were available. The strongest positive genetic correlation between production traits and linear type traits was estimated between udder width and fat yield (0.51 ± 0.04), while the strongest negative correlation estimated was between body condition score and fat yield (-0.45 ± 0.03). Other estimated correlations were between those two extremes but generally they were close to zero or positive. The strongest negative phenotypic correlations were estimated between udder depth and milk yield and protein yield (both -0.17), while the strongest positive phenotypic correlations were estimated between milk yield, protein yield, and udder width (both 0.32). Keywords: Holstein cattle, genetic parameters, milk yield, somatic cell score Journal: Czech Journal of Animal Science Pages: 539-547 Volume: 59 Issue: 12 Year: 2014 DOI: 10.17221/7793-CJAS File-URL: http://cjas.agriculturejournals.cz/doi/10.17221/7793-CJAS.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjs-201412-0002.txt Handle: RePEc:caa:jnlcjs:v:59:y:2014:i:12:id:7793-CJAS Template-Type: ReDIF-Article 1.0 Author-Name: J. Zídková Author-Workplace-Name: Faculty of Food and Biochemical Technology, Institute of Chemical Technology, Prague, Czech Republic Author-Name: M. Melčová Author-Workplace-Name: Faculty of Food and Biochemical Technology, Institute of Chemical Technology, Prague, Czech Republic Author-Name: K. Bartošová Author-Workplace-Name: Faculty of Food and Biochemical Technology, Institute of Chemical Technology, Prague, Czech Republic Author-Name: I. Šestáková Author-Workplace-Name: J. Heyrovský Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic Author-Name: V. Zídek Author-Workplace-Name: Institute of Physiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic Author-Name: J. Száková Author-Workplace-Name: Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic Author-Name: D. Miholová Author-Workplace-Name: Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic Author-Name: P. Tlustoš Author-Workplace-Name: Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic Title: Impact of cadmium on the level of hepatic metallothioneins, essential elements, and selected enzymes in the experimental rat model Abstract: The response of different strains of laboratory rats (Rattus norvegicus L.) on both acute (via intraperitoneal injection) and chronic (via drinking water and/or diet) cadmium intoxication was investigated in the model study. The rat strains Long Evans (LE), Spontaneously hypertensive rat (SHR), and Brown Norway (BN) were tested and compared, and total Cd levels and metallothionein (MT) concentrations were determined in the liver of experimental animals. The liver MT concentrations were determined by using adsorptive chronopotentiometry and modified Brdička reaction and were significantly correlated (r = 0.965) with the total liver Cd content. Moreover, the Cd application resulted in increasing zinc liver contents confirming intensive MT synthesis in the rat liver. In the blood plasma, specific enzymatic activity of glutathione reductase (GR) and glutathione-S-transferase (GST) was determined suggesting increasing activity of GR with the amount of applied Cd for all three strains, whereas ambiguous results have been found for the activity of GST. Therefore, MT concentrations seemed to be more sensitive indicators of the Cd intoxication compared to the assessment of the specific enzymatic activity. Keywords: metal intoxication, liver, blood plasma, detoxification, Rattus norvegicus L Journal: Czech Journal of Animal Science Pages: 548-556 Volume: 59 Issue: 12 Year: 2014 DOI: 10.17221/7794-CJAS File-URL: http://cjas.agriculturejournals.cz/doi/10.17221/7794-CJAS.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjs-201412-0003.txt Handle: RePEc:caa:jnlcjs:v:59:y:2014:i:12:id:7794-CJAS Template-Type: ReDIF-Article 1.0 Author-Name: J.R. Henz Author-Workplace-Name: Department of Animal Science, State University of West Paraná, Marechal Cândido Rondon, Brazil Author-Name: R.V. Nunes Author-Workplace-Name: Department of Animal Science, State University of West Paraná, Marechal Cândido Rondon, Brazil Author-Name: C. Eyng Author-Workplace-Name: Department of Animal Science, Federal University of Grande Dourados, Dourados, Brazil Author-Name: P.C. Pozza Author-Workplace-Name: Department of Animal Science, State University of Maringá, Maringá, Brazil Author-Name: R. Frank Author-Workplace-Name: Department of Animal Science, State University of West Paraná, Marechal Cândido Rondon, Brazil Author-Name: R.A. Schone Author-Workplace-Name: Department of Animal Science, State University of West Paraná, Marechal Cândido Rondon, Brazil Author-Name: T.M.M. Oliveira Author-Workplace-Name: Department of Animal Science, State University of Maringá, Maringá, Brazil Title: Effect of dietary glycerin supplementation in the starter diet on broiler performance Abstract: This study was conducted to evaluate the performance, carcass composition, and litter moisture of broiler chicks fed crude glycerin for 1-21 days. The study used 1056 male birds distributed in a completely randomized design, with six treatments (0, 3, 6, 9, 12, and 15% crude glycerin from 1 to 10 days), with eight replicates. After the 10th day, each treatment group was divided into two groups out of which one continued to receive the same glycerin level and the second group started to receive a glycerin-free diet. The parameters weight gain, feed intake, feed : gain, and livability during the first 10 days exhibited a quadratic response (P < 0.05), which predicted higher values at crude glycerin levels of 9.01, 9.02, 9.03, and 6.43%, respectively. From day 1 to day 21, the group receiving crude glycerin throughout the experiment showed a quadratic effect (P < 0.05) for weight gain, feed intake, feed : gain, and livability, with higher values at crude glycerin levels of 6.06, 7.97, 13.11, and 7.69%. As glycerin levels increased, the litter moisture increased linearly (P < 0.05) for both periods. The protein and fat deposition rates and dry matter of the carcasses were not affected (P > 0.05). Considering the period from day 1 to day 21, inclusion of up to 6.06% crude glycerin in the diet provided the best weight gain without affecting the birds' performance, the rate of protein and fat deposition on the carcass, or litter moisture compared with birds fed a glycerin-free diet. Keywords: biodiesel, byproducts, carcass composition, glycerol Journal: Czech Journal of Animal Science Pages: 557-563 Volume: 59 Issue: 12 Year: 2014 DOI: 10.17221/7795-CJAS File-URL: http://cjas.agriculturejournals.cz/doi/10.17221/7795-CJAS.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjs-201412-0004.txt Handle: RePEc:caa:jnlcjs:v:59:y:2014:i:12:id:7795-CJAS Template-Type: ReDIF-Article 1.0 Author-Name: E. Straková Author-Workplace-Name: Department of Animal Nutrition, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic Author-Name: K. Karásková Author-Workplace-Name: Department of Animal Nutrition, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic Author-Name: D. Zapletal Author-Workplace-Name: Department of Animal Husbandry and Animal Hygiene, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic Author-Name: P. Suchý Author-Workplace-Name: Department of Animal Husbandry and Animal Hygiene, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic Title: Effect of melamine and cyanurid acid contaminated diets on blood indicators in broiler chickens Abstract: The effect of melamine and cyanuric acid contaminated diets on basic haematological and biochemical blood indicators in male broiler chickens (Ross 308) was studied. The chickens were divided into 6 experimental groups (30 birds per group) and fed diets with an addition of 50 or 100 mg of melamine or 50 or 100 mg of cyanuric acid per kg of feed, with the contaminants added separately (either melamine or cyanuric acid) or in combination (melamine + cyanuric acid). The control group (C) was fed a diet without melamine or cyanuric acid. At the end of the experiment (day 40), 8 birds per treatment group were randomly selected for haematological and biochemical examination of blood. Red blood cell count, haemoglobin concentration, haematocrit value, mean corpuscular haemoglobin concentration, mean corpuscular haemoglobin, mean cell volume, and total leukocyte count did not differ significantly among the respective groups of broiler chickens (P > 0.05). The concentrations of melamine and cyanuric acid used in the contaminated diet for broiler chickens led to highly significant changes in the content of total protein (TP), glucose (Glu), Ca, P, Na, and K (P < 0.01) and to significant changes in the content of Mg (P < 0.05) in their blood plasma. In comparison to the C group, the decrease in the content of TP, Glu, Ca, P, Na, K, and Mg in blood plasma was most pronounced in broilers fed the diets contaminated with cyanuric acid only or diets with the simultaneous contamination with melamine and cyanuric acid. On the basis of our results, it can be concluded that the contamination of feed with melamine and cyanuric acid, separately or in combination, results in impaired renal function and probably also in partial liver damage. Keywords: poultry, feed, level of contaminants, haematological indicators, biochemical indicators, toxicity Journal: Czech Journal of Animal Science Pages: 564-570 Volume: 59 Issue: 12 Year: 2014 DOI: 10.17221/7796-CJAS File-URL: http://cjas.agriculturejournals.cz/doi/10.17221/7796-CJAS.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjs-201412-0005.txt Handle: RePEc:caa:jnlcjs:v:59:y:2014:i:12:id:7796-CJAS Template-Type: ReDIF-Article 1.0 Author-Name: X.A. Zhan Author-Workplace-Name: College of Animal Science and Technology, Zhejiang A and F University, Linan, P.R. China Author-Workplace-Name: Feed Science Institute, College of Animal Science, Zhejiang University, Hangzhou, P.R. China Author-Name: H.F. Wang Author-Workplace-Name: College of Animal Science and Technology, Zhejiang A and F University, Linan, P.R. China Author-Name: D. Yuan Author-Workplace-Name: Feed Science Institute, College of Animal Science, Zhejiang University, Hangzhou, P.R. China Author-Name: Y.X. Wang Author-Workplace-Name: College of Animal Science and Technology, Zhejiang A and F University, Linan, P.R. China Author-Name: F. Zhu Author-Workplace-Name: College of Animal Science and Technology, Zhejiang A and F University, Linan, P.R. China Title: Comparison of different forms of dietary selenium supplementation on gene expression of cytoplasmic thioredoxin reductase, selenoprotein P, and selenoprotein W in broilers Abstract: Effects of different forms of dietary selenium (Se) supplementation on gene expression of cytoplasmic thioredoxin reductase (TrxR1), selenoprotein P (SelP), and selenoprotein W (SelW) in broilers were investigated. A total of six hundred Ross 308 broilers (1-day-old) with similar body weight were randomly divided into three groups, each of which included 5 replicates of 40 birds. These three treatments received the same basal diet with only background Se level of 0.04 mg Se/kg, supplemented with 0.15 mg Se/kg as sodium selenite (SS) or l-selenomethionine (l-Se-Met) or d-selenomethionine (d-Se-Met) for 42 days. The SS supplemented diet increased TrxR1 activity in liver (P < 0.01) and kidney (P < 0.01) as well as SelP concentration in serum (P < 0.05) and liver (P < 0.01) more than the d-Se-Met supplemented diet. The addition of SS also highly increased liver (P < 0.01) and kidney (P < 0.01) TrxR1 activities of broilers in comparison with broilers fed l-Se-Met diet. In addition, liver TrxR1 activity in l-Se-Met group was higher than that in d-Se-Met group (P < 0.05). Liver and kidney mRNA levels of TrxR1 and SelP as well as breast muscle SelW mRNA level were significantly increased by l- and d-Se-Met supplementation in comparison with SS supplementation (P < 0.01), while the d-Se-Met group showed more effective (P < 0.01) than the l-Se-Met group in increasing the mRNA levels of TrxR1 and SelP in liver and kidney. Therefore, dietary l-Se-Met and d-Se-Met supplementation could improve mRNA levels of different selenoproteins studied and reduce amounts of TrxR1 and SelP in broilers compared with SS. Besides, l-Se-Met is more effective than d-Se-Met in raising TrxR1 activity and decreasing mRNA abundance of TrxR1 and SelP in broilers. Keywords: sodium selenite, l-selenomethionine, d-selenomethionine, nRNA abundance Journal: Czech Journal of Animal Science Pages: 571-578 Volume: 59 Issue: 12 Year: 2014 DOI: 10.17221/7797-CJAS File-URL: http://cjas.agriculturejournals.cz/doi/10.17221/7797-CJAS.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjs-201412-0006.txt Handle: RePEc:caa:jnlcjs:v:59:y:2014:i:12:id:7797-CJAS