Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Lucie Kupčíková"'
Publikováno v:
Czech Journal of Animal Science, Vol 62, Iss 11, Pp 473-481 (2017)
The precaecal digestibility of phosphorus and calcium in laying hens was evaluated at two dietary levels of non-phytate phosphorus (NPP; 1.58 and 2.03 g/kg) and two levels of exogenous 3-phytase (F; 0 and 300 phytase units (FTU)/kg). A total of 192 I
Externí odkaz:
https://doaj.org/article/a5ea0a33cc9641ffbf891c9fe2171486
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 64, Iss 5, Pp 1435-1439 (2016)
The aim of the study was to evaluate the effect of grass pasture on the performance of slowly growing chickens. Both sexes (72 chickens) of the slowly growing hybrid Hubbard JA 757 were used in the experiment, which was carried out in the summer 2015
Externí odkaz:
https://doaj.org/article/33a15578540644eb96aa01bcc19454cc
Publikováno v:
Journal of Central European Agriculture, Vol 18, Iss 3, Pp 632-645 (2017)
The purpose of this experiment was to investigate the behaviour of fast- and slow growing chickens, when the birds had access to the outdoors. Fifty of both 1-day-old male chicks of a laying hybrid ISA BROWN (IB) and broilers ROSS 308 (RS) were kept
Externí odkaz:
https://doaj.org/article/783b552f044145f7ae17514b3de36f59