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Parasitoids and predators of armored scales in some orchards in Serbia / Parazitoidi i predatori štitastih vašiju iz familije Diaspididae u nekim voćnjacima u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2009)
Five parasitoid and five predator species were registered on four armored scale species in apple, pear, peach and plum orchards at 16 sites in Serbia. The armored scales found were: Diaspidiotus perniciosus (Comstock), ...
Assessment of the population effective size and threats to the original breed cattle in order to protect and utilize genetic resources in Croatia / Ocena efektivne veličine populacije i opasnosti za originalnu rasu goveda u cilju očuvanja i korišćenja genetskih resursa u Hrvatskoj
(Institut za stočarstvo, Beograd, 2009)
Because of the economic, scientific and cultural interest it is necessary to protect biological diversity of indigenous breeds of animals. In Croatia there are three original cattle breeds: Istrian cattle, Slavonsko-srijemski ...
The effect of paragenetic factors on body development of Simmental bull dams / Uticaj paragenetskih faktora na telesnu razvijenost bikovskih majki Simentalske rase
(Institut za stočarstvo, Beograd, 2009)
Body development and type are very important indices of production ability of cows, their capacity to consume sufficient quantity of food, produce technologically high quality milk, reduce the energy consumption in production ...
Comparative market analysis of world production and international fruit trading / Komparativna tržišna analiza svetske proizvodnje i međunarodnog prometa voća
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2009)
This paper contains a regional-comparative analysis of some of the most important indicators of the world production and international trading in fruit, as extremely significant in the diet and indispensable food product ...
Stability of yield and yield components in maize hybrids / Stabilnost prinosa i komponenti prinosa hibrida kukuruza
(Društvo genetičara Srbije, Beograd, 2009)
Two-year grain yield and 1000-grains mass data of 24 maize hybrids of FAO maturity groups 400, 500, 600, 700 were analyzed. Investigations were performed at the two environments in two years. Nonparametric methods of the ...
Taxes and stability of income growth in tractor production / Porezi i stabilnost rasta dohotka u proizvodnji traktora
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
Chaos theory attempts to reveal structure in aperiodic, unpredictable dynamic systems. Deterministic chaos refers to irregular or chaotic motion that is generated by nonlinear systems. Chaos embodies three important ...
Production characteristics of distinguished honey bee lines from different parts of Serbia / Proizvodne osobine izabranih linija pčela sa teritorije Srbije
(Institut za stočarstvo, Beograd, 2009)
For apicultural practice the productive traits of bee colonies are of great significance, since it is related to different geographical bee breeds. For the purpose of preservation of existing populations and natural diversity ...
Analyses of feeding behavior of dairy cows / Analiza hranidbenog ponašanja krava u laktaciji
(Institut za stočarstvo, Beograd, 2009)
Feeding behavior of dairy cows in the captive, industrials systems of rearing is different than natural, because when animals feel hunger, behavior realization of the basic instincts is deprived. In addition, depending ...
The application of modern theoretical innovations in the field of physiology and ecology of fruits and grapevines / Primena savremenih teorijskih saznanja u oblasti fiziologije i ekologije voćaka i vinove loze
(Naučno voćarsko društvo Srbije, Čačak, 2009)
The latest innovations in the field of physiology and ecology of fruits and grapevines are currently being intensively applied in practice. It is of utmost importance to harmonize environmental factors and biological ...
Evaluation of the body condition of high yielding cows / Ocena telesne kondicije visokomlečnih krava
(Institut za stočarstvo, Beograd, 2009)
Problems which relate to production, health and reproduction in herds of high yielding cows very often occur due to insufficient knowledge and monitoring of energy reserves in cow organisms. Many researches and practical ...