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Приказ резултата 121-130 од 143
The influence of age at first fertilization on some reproductive and performance traits of Simmental cows in first three lactations / Uticaj uzrasta pri prvoj oplodnji na neke reproduktivne i proizvodne osobine krava simentalske rase u prve tri laktacije
(Institut za stočarstvo, Beograd, 2002)
Certain reproductive and performance traits of Simmental cows, as well as the demonstration of those traits depending on the effect of age at first fertilization, were investigated. The investigation included 606 cows, ...
Effect of different protein sources in concentrate mixtures on slaughter results early weaned lambs during fattening / Uticaj različitih izvora proteina u smešama koncentrata Na klanična svojstva rang odlučenih jagnjadi u tovu
(Univerzitet u Novom Sadu - Poljoprivredni fakultet, Novi Sad i Naučni institut za ratarstvo i povrtarstvo, Novi Sad, 2002)
Nutrition trial was performed using 60 lambs (30 males and 30 females) in fattening of F2 generations (croses of Sharplaninska x Wirtemberg) dividen into 3 groups. Lambs were weaned at 30 days of age and fattened for the ...
Bacteriophages, persistent problem in manufacturing fermented milk products / Bakteriofagi, stalna opasnost u proizvodnji fermentisanih proizvoda od mleka
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd i Poslovno udruženje za stočarstvo - grupacija za mlekarstvo, Beograd, 2002)
Lactic acid bacteria play a central role in manufacturing fermented milk products. The most common cause of failure of this process is bacteriophage infection, which cause lysis of the starter bacteria. They inhibit or ...
The determination of potential ammonification in soil by arginine method / Određivanje potencijalne amonifikacije u zemljištu metodom sa argininom
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2002)
In this paper investigations were carried out on two soil types (vertisol and brown forest soil) with different doses of applied N-fertilizer: diameter, N60 N90; N120 and N250. The potential ammonification in soil was ...
Tendencies of agricultural tractors development / Tendencije razvoja poljoprivrednih traktora
(Naučno društvo za pogonske mašine, traktore i održavanje, Novi Sad i Univerzitet u Novom Sadu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Novi Sad, 2002)
General techniques development significantly affects agricultural tractors development. In mechanization of agriculture, three concepts of mobile systems development are present: tractors development, self - propelled ...
The most important aspects of determining of total count of migroorganisms in the raw milk of cows / Najznačajniji aspekti utvrđivanja ukupnog broja mikroorganizama u svežem mleku krava
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd i Poslovno udruženje za stočarstvo - grupacija za mlekarstvo, Beograd, 2002)
Milk is synthesized in specialized cells of the mammary gland and is virtually sterile when secreted into the alveoli of the udder. Beyond this stage of milk production, microbial contamination сan generally occur from ...
Wind generators: Promising sources of electric power / Vetrogeneratori - perspektivni izvori električne energije
(JP Elektroprivreda Srbije, Beograd, 2002)
This paper presents a technical, economic and environmental analysis of the conversion of wind power into electric power. The analysis based on experiences acquired in countries where the field of wind energetic has been ...
Silage lucerne in cows feeding / Silaža lucerke u ishrani krava
(Institut PKB Agroekonomik, Padinska skela, 2002)
Problems associated with the lucerne silage use in dairy cows feeding. These problems are the increased solubility and degradability of proteins. With processed such as wilting, fermentation stimulation with carbohydrate ...
The influence of age at first fertilization on performance traits of sim mental cows / Uticaj uzrasta pri prvoj oplodnji na proizvodne osobine krava simentalske rase
(Univerzitet u Novom Sadu - Poljoprivredni fakultet, Novi Sad i Naučni institut za ratarstvo i povrtarstvo, Novi Sad, 2002)
Certain reproductive and performance traits of Simmental cows, as well as the demonstration of those traits depending on the effect of age at first fertilization, were investigated. The investigation included 606 cows ...
Barium titanate screen-printed thick films
(Elsevier Sci Ltd, Oxford, 2002)
Barium titanate (BT) thick films were prepared from mechanically activated powders based on BaCO3 and TiO2. After homogenization and milling in a high-energy vibro mill, the powders were calcined at 700 degreesC for 2 h ...