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Prikaz rezultata 31-33 od 33
Laying hens management and nutrition for maximal egg production at 100 weeks of age
(Institute for Animal Husbandry, Belgrade, 2019)
In the third decade of the 21st century, starting from 2020, leading breeding companies promise that their modern hybrids of laying hens will be genetically able to produce 500 eggs per hen till 100 weeks of age. This paper ...
The concentrations of heavy metals in the liver and muscle tissue of three kinds of fish during five year period
(University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia, 2019)
Fish, as the top of the trophic pyramid of aquatic ecosystems, are one of the most sensitive
bioindicators for the presence of heavy metals in the aquatic ecosystems that inhabit them.
Concentrations of cadmium (Cd), ...
The application of plant growth regulator in Italian ryegrass seed crop
(Organising Committee of the Joint 20th Symposium of the European Grassland Federation and the 33rd Meeting of the EUCARPIA Section ‘Fodder Crops and Amenity Grasses’, Agroscope, Reckenholzstrasse 191, 8046 Zurich, Switzerland., 2019)
In seed crops of many temperate grass species stem lodging occurs during reproductive development. Nitrogen (N) spring application maximizes grass seed production, but influence the incidence and severity of lodging. ...