Претраживање
Приказ резултата 41-50 од 2025
Welfare and biosecurity standards for dairy cow and pig farms: Cattle and swine rearing conditions / Standardi dobrobiti i biosigurnosti na farmama goveda i svinja - uslovi smeštaja i držanja goveda i svinja
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2009)
In this paper the essential elements concerning cattle and swine rearing and growing conditions were given in order to establish welfare and biosecurity standards. These elements were formed according to detailed annual ...
Effect of different fermentation parameters on bioethanol production from corn meal hydrolyzates by free and immobilized cells of Saccharomyces cerevisiae var. ellipsoideus
(Wiley, Hoboken, 2009)
BACKGROUND: Bioethanol produced from renewable biomass, such as corn meal, is a biofuel that is both renewable and environmentally friendly. Significant scientific and technological investments will be needed to achieve ...
Heavy metals in soils: Distribution, relationship with soil characteristics and radionuclides and multivariate assessment of contamination sources
(Pergamon-Elsevier Science Ltd, Oxford, 2008)
The study is dealing with the distribution and the origin of heavy metals (Cd, Cr, Cu, Mn, Ni, Pb and Zn) in soils from a priori non-polluted areas. Positive correlations with organic matter and clay content but not with ...
The genotype role in maize competitive ability / Uloga genotipa u kompetitivnosti kukuruza prema korovima
(Društvo genetičara Srbije, Beograd, 2009)
Growing competitive crops is an important component of the integrated weed management system, although selection of genotypes with the increased competitive ability is rather difficult. The possibility of reducing weed ...
Productivity and quality of plant mass of meadow ASS: Danthonietum calycinae depending on the fertilization and utilization time / Produktivnost i kvalitet biljne mase livadske ASS - danthonietum calycinae u zavisnosti od đubrenja i vremena iskorišćavanja
(Institut za stočarstvo, Beograd, 2009)
Research was carried out on mountain Kopaonik, on two associations Danthonietum calycinae (1000 and 1500 m above sea level), in the period from year 2003 to 2004. Production of grassland depending on the fertilization (1. ...
Somatic cell count in Simmental breed cows milk from family farms according to the order of lactation and lactation stages / Broj somatskih ćelija u mleku od krava simentalske rase sa porodičnih farmi prema laktaciji po redu i stadijumu
(Institut za stočarstvo, Beograd, 2009)
Simmental breed cows although being dominant breed at the family farms in Croatia are not yet sufficiently adapted to the machine milking due to their improper udder index. The aim of this study was to determine the somatic ...
Physical form of dry feed and using of hay in calves diet during preweaning period / Fizička forma suve hrane i korišćenje sena u obroku za telad u fazi tečne ishrane
(Institut PKB Agroekonomik, Padinska skela, 2008)
Influence of physical form of starter and hay in diets for suckling calves, on morphological and functional development of calves’ rumen, on the character of fermentative processes, and also on their production performances, ...
Copper(II) complexes of N-heteroaromatic hydrazones: Synthesis, X-ray structure, magnetic behavior, and antibacterial activity
(Elsevier Science Sa, Lausanne, 2009)
Three novel copper(II) complexes as condensation derivatives of 2-pyridinecarboxaldehyde, 2-acetylpyridine or 2-quinolinecarboxaldehyde with ethyl hydrazinoacetate hydrochloride were synthesized. X-ray crystal structures ...
Fish gills morphology as indicator of water quality - study of two small aquatic ecosystems
(Elsevier Science Inc, New York, 2007)
A new procedure for obtaining calcium sulphate α-hemihydrate on the basis of waste phosphogypsum
(University of East Sarajevo, Faculty of Technology, 2009)
Investigations, conducted in this study showed that waste phosphogypsum-dihydrate represents a burden which even must not be kept in deposits because of its large quantity in relation to the main product – phosphoric acid, ...