Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Michaela Englmaierová"'
Publikováno v:
Italian Journal of Animal Science, Vol 23, Iss 1, Pp 557-569 (2024)
The study evaluated the effect of housing system and genotype on performance and breast meat quality in 540 cockerels. Three genotypes of cockerels differing in growth intensity (slow-growing ISA Dual, medium-growing Hubbard JA757 and fast-growing Ro
Externí odkaz:
https://doaj.org/article/06c4baceb8d440bf97b73b037251930a
Publikováno v:
Italian Journal of Animal Science, Vol 21, Iss 1, Pp 1343-1351 (2022)
The aim of the study was to evaluate the effect of tannins addition to hen diets on the performance and egg quality characterised by the physical characteristics, vitamin content and fatty acid composition of egg yolks. Two hundred and forty 18-week-
Externí odkaz:
https://doaj.org/article/fe60f8b44f4a49b5a77938a8f6d39c7d
Alfalfa meal as a source of carotenoids in combination with ascorbic acid in the diet of laying hens
Publikováno v:
Czech Journal of Animal Science, Vol 64, Iss 1, Pp 17-25 (2019)
The purpose of the experiment was to determine how the addition of dehydrated alfalfa (DA) and ascorbic acid (AA) into the diet of hens influences the performance characteristics and egg quality characterised by physical parameters, yolk carotenoid c
Externí odkaz:
https://doaj.org/article/c2cec0592b154992a754ead45a18f21d
Publikováno v:
Czech Journal of Animal Science, Vol 63, Iss 6, Pp 222-229 (2018)
The ileal digestibility of amino acids and fatty acids in young chickens fed control diet or experimental diets supplemented with freeze-dried pasture herbage at 20 or 40 g/kg was studied. Control diet contained wheat, maize, and soybean meal. Predom
Externí odkaz:
https://doaj.org/article/83bccf02818c4d339028d6a85dbc4cf0
Publikováno v:
Czech Journal of Animal Science, Vol 63, Iss 5, Pp 182-187 (2018)
Hisex hens, aged 24 weeks, were divided into 6 groups. Each group consisted of 4 cages with 10 hens per cage with dimensions and equipment meeting the EU directives. This 2 × 3 factorial experiment included two levels of calcium (Ca; 35 or 42 g/kg)
Externí odkaz:
https://doaj.org/article/22d6c9bc13bd46c688dc76c108709ac0
Publikováno v:
Czech Journal of Animal Science, Vol 63, Iss 2, Pp 51-60 (2018)
Hens of the laying hybrid ISA Brown were used in the study with the objective to evaluate eggshell quality, microbial contamination of eggshells, and penetration of microorganisms into the egg content in different housing systems (enriched cage: 60 h
Externí odkaz:
https://doaj.org/article/8cc1e091bccb485ab884f9cb4d803f10
Publikováno v:
Italian Journal of Animal Science, Vol 16, Iss 4, Pp 608-615 (2017)
The aim of this experiment was to evaluate the influence of limestone particle size and phytase (F) on performance, physical egg parameters, mineral digestibility and microbial colonisation in the digestive tract in older hens aged 60–71 weeks. One
Externí odkaz:
https://doaj.org/article/e4b7cfe2c3fe492ebd935b4f5e8986bf
Publikováno v:
Czech Journal of Animal Science, Vol 62, Iss 8, Pp 323-330 (2017)
The lutein and zeaxanthin deposition in egg yolks of hens was evaluated. The effects of various levels of extracts from Mexican marigold flowers in hen diets were compared in Experiments 1 (from 0 to 350 mg/kg) and 2 (from 0 to 950 mg/kg). In Experim
Externí odkaz:
https://doaj.org/article/e67136bef16e49d7a0916119fd23bf2b
Publikováno v:
Czech Journal of Animal Science, Vol 62, Iss 4, Pp 141-149 (2017)
Recently, consumers have paid an attention to animal-friendly meat. The aim of the study was to evaluate the meat quality of breast muscles in indoor and free-range chickens with respect to the stocking density of outdoor chickens (8.3 or 4.15 birds
Externí odkaz:
https://doaj.org/article/4bffebd539d94df68db0dcab2944cb72
Hempseed increases gamma-tocopherol in egg yolks and the breaking strength of tibias in laying hens.
Publikováno v:
PLoS ONE, Vol 14, Iss 5, p e0217509 (2019)
The effect of hempseed in the diet of laying hens was evaluated at 0, 30, 60 and 90 g/kg concentrations. The aim of the study was to determine the effect of dietary treatment on the performance of hens, the physical characteristics of egg quality, th
Externí odkaz:
https://doaj.org/article/fc24de412fcd4029ab981a7807128552