Zobrazeno 1 - 10
of 45
pro vyhledávání: '"JÁN WEIS"'
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 44, Iss 1, Pp 354-354 (2023)
The aim of this experiment was to determine the effect of egg size on weight losses during incubation and hatchability of Muscovy duck. A total of 150 hatching eggs comprising of small (70.0–76.99g), medium (77.0–83.99g) and large (84.00–90.99g
Externí odkaz:
https://doaj.org/article/08084e42b91b461196ac075978588987
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 44, Iss 1, Pp 149-149 (2023)
The aim of the present study was to evaluate the effect of addition of Enterococcus faecium M74 in drinking water on performance and carcass characteristics of broiler chickens. Totally 120 chickens (60 of hybrid Hybro, 60 of Ross 308) were divided t
Externí odkaz:
https://doaj.org/article/2316c96f75e943b2a5ef78dc5ff615b9
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 42, Iss 2, Pp 408-408 (2023)
In this experiment the effects of supplementation of the diet for laying hens with sodium selenite (SS) or selenized yeast (SY) on whole egg and egg shell quality of layers were studied. The chickens of Shaver Starcross 288 strain were randomly divid
Externí odkaz:
https://doaj.org/article/f615102bf4d8424fa79ba86183490248
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 43, Iss 2, Pp 300-300 (2023)
This study was conducted to investigate the effect of supplementation of the probiotic preparations with different probiotic strain on the basic fattening parameters of broiler duck males. The experiment was carried out in half-operation conditions e
Externí odkaz:
https://doaj.org/article/c9fbfcbf940c4871a0e4c7698302446a
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 43, Iss 2, Pp 284-284 (2023)
The aim of this research paper was evaluated the meat performance cocks and hens of breed Oravka after reproductive and laying period. The results from this study show that carcass yield cocks and hens of Oravka were higher in comparison with STN 46
Externí odkaz:
https://doaj.org/article/a2529bbb12fa4edeba4cfefb0e064d0c
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 43, Iss 2, Pp 287-287 (2023)
The live weight of Oravka and other pure hen’s breed (New Hampshire, Plymouth Rock, Rhode Island) have been detecting in monthly periods. We found statistically significant (p0.05) difference with Oravka. Growth tendency remained unchanged till the
Externí odkaz:
https://doaj.org/article/b42a42cf4b6a4c558c02a845359876ef
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 43, Iss 2, Pp 296-296 (2023)
If we want to find replacement to use of antibiotics, we must search more naturally alternative methods. Such method can be also used with probiotics in poultry nutrition. By the help of them we can achieve better health state and higher increase of
Externí odkaz:
https://doaj.org/article/f96aebda57ac49ecbb5dfdf051618fdd
Effect of Housing System, Slaughter Age and Sex on Slaughter and Carcass Parameters of Broiler Ducks
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 47, Iss 2, Pp 254-254 (2023)
The aim of this study was to determine the effects of housing system slaughter age and sex on performance and carcass parameters of broiler ducks. The experiment was carried out in half-operation conditions experimental base of Department of Poultry
Externí odkaz:
https://doaj.org/article/d2f5952abdcf48978e1ee76b22096d6f
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 47, Iss 2, Pp 249-249 (2023)
The aim of this study was to determine the effects of probiotic addition in drinking water on body weight and body measurements of broiler chickens. The experiment was carried out in half-operation conditions experimental base of Department of Poultr
Externí odkaz:
https://doaj.org/article/9a24057d646b4c57bf19c73059adb93d
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 50, Iss 1, Pp 234-234 (2023)
In this study the effect of humic substances, garlic (Allium sativum L.), wormwood (Artemisia absinthium) and walnut (Juglans regia) on carcass parameters of broiler chickens were studied. Broiler chickens Ross 308 (n=60) were divided into 3 groups (
Externí odkaz:
https://doaj.org/article/9ae74efc8d164107872aadc033d731ee