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Tanana, L.A., Doroshko, A.A.. Известия Национальной академии наук Беларуси. Серия аграрных наук (Belarus). Proceedings of the National Academy of Sciences of Belarus. Agrarian Sciences Series, 1817-7204. 2006. Russian.

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controle hormonal; belarus; hormonal control; sexual maturity; hormones; cows; adolescence (animals); novilla; adolescencia (animales); adolescence (animaux); stade de developpement animal; etapas del desarrollo animal; animal developmental stages; hormone; maturite sexuelle; heifers; genisse; madurez sexual; vache; hormonas; vaca; control hormonal

Abstract :

Research results of studies of the hormonal status of heifers of Belarusian Black-and-White breed of various intrabreed types in the period of pubescence determined according to the functional state of the endocrine glands, in the period of completion of organism formation and after the attainment of the physiological maturity of animals were presented. Investigation results showed that the pu ...

Zhurina, N.V.. Известия Национальной академии наук Беларуси. Серия аграрных наук (Belarus). Proceedings of the National Academy of Sciences of Belarus. Agrarian Sciences Series, 1817-7204. 2006. Russian.

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piglets; belarus; hormone sexuelle; sex hormones; porcelet; comportamiento reproductivo; expresion genica; muerte fetal; genotipos; litter size; truie; variacion genetica; hormonas sexuales; sows; reproductividad; comportement reproductif; reproduccion; performance de reproduction; reproductive behaviour; estrogenos; foetal death; taille de la portee; tamano de la camada; genes; porcin; gene; mort du foetus; genotypes; genetic variation; genotype; oestrogene; swine; oestrogens; expression des genes; cerdas; lechon; variation genetique; reproductive performance; cerdo; gene expression; reproduction

Abstract :

The association of the estrogen receptor (ESR) gene with the reproduction traits of Large White and Belarusian Meaty breeds of sows was studied. Genetic structure of sow populations of different breeds and cross-breeds according to ESR gene was presented. Research studies of sows with ERSsup(BB) showed the tendency of increasing of litter weight of born piglets, weight of twenty-one day old pi ...

Severnev, M.M., Shejko, I.P.. Известия Национальной академии наук Беларуси. Серия аграрных наук (Belarus). Proceedings of the National Academy of Sciences of Belarus. Agrarian Sciences Series, 1817-7204. 2006. Russian.

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elevage; vivienda; belarus; ganaderia; manejo de praderas; animal nutrition; housing; nutricion animal; microbial flora; nutrition animale; materiel d'elevage; grassland management; betail; sante animale; intensification; ganado; alojamiento de animales; livestock; prise alimentaire (animaux); sistemas de alimentacion; ganado bovino; animal husbandry methods; farm buildings; flore microbienne; ingestion de piensos; equipo de crianza; intensificacion; logement; feed intake; cattle; metodos de crianza; logement des animaux; animal husbandry; batiment d'exploitation; technique d'alimentation; sanidad animal; animal health; conduite des herbages; instalaciones de la finca; feeding systems; animal husbandry equipment; bovin; methode d'elevage; flora microbiana; animal housing

Abstract :

Analysis of the current problems of animal husbandry and animal production in the Republic of Belarus was presented. Research results showed that output volume rate of animal products depended on the following factors: 20-30% - genetic potential, 60-70% - feeding level and 10% - maintenance conditions. The necessity of cattle change-over to the balanced and containing all nutritive elements fo ...

Marchik, T.P., Efremov, A.L.. Известия Национальной академии наук Беларуси. Серия аграрных наук (Belarus). Proceedings of the National Academy of Sciences of Belarus. Agrarian Sciences Series, 1817-7204. 2006. Russian.

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sodic soils; densidad; soil chemicophysical properties; belarus; soil types; chemicophysical properties; propiedades fisicoquimicas; calcareous soils; oligoelementos; sol sodique; trace elements; tipos de suelos; densite; humidity; estado fisico; humedad; tipos quimicos de suelos; physical states; density; type de sol chimique; propriete physicochimique du sol; propiedades fisico - quimicas suelo; etat physique; suelo calcareo; chemical soil types; humidite; propriete physicochimique; ph; suelo sodico; oligo-element; type de sol; sol calcaire

Abstract :

Research results of agrophysical and agrochemical of properties of various subtypes of sod-calcareous soils of the northwestern part of Belarus, their chemicophysical properties and structural distribution of macro-, microelements and humus were presented. Research results showed that the sod-calcareous soils had a high volumetric density, a great deal of particles (less 0,01 mm), a neutral re ...

Shelyuto, B.V.. Известия Национальной академии наук Беларуси. Серия аграрных наук (Belarus). Proceedings of the National Academy of Sciences of Belarus. Agrarian Sciences Series, 1817-7204. 2006. Russian.

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valeur economique; belarus; sistemas de cultivo; analisis economico; valor energetico; cropping systems; graminee; cultivo multiple; trebol; grasses; festuca; valor economico; dactylis; conduite de la culture; phleum pratense; economic value; dactylis glomerata; energy value; trifolium; culture pure; gramineas; crop management; sole cropping; economic analysis; valeur energetique; clover; cultivo puro; culture multiple; plante perenne; trefle; analyse economique; systeme de culture; gramineas forrajeras; perennials; feed grasses; plantas perennes; multiple cropping; manejo del cultivo; graminee fourragere

Abstract :

Results of the complex evaluation of the technology of perennial grasses cultivation depending on the level of mineral nutrition and cutting regime made it possible to determine its energy and economic efficiency in the system of the rough material conveyer. Application of perennial cereal and leguminous grasses characterized by the highest adaptability to soil and climatic conditions of the n ...

Klochkova, O.S.. Известия Национальной академии наук Беларуси. Серия аграрных наук (Belarus). Proceedings of the National Academy of Sciences of Belarus. Agrarian Sciences Series, 1817-7204. 2006. Russian.

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belarus; seed; stade de developpement vegetal; plantule; plantulas; sowing depth; brassica napus; semence; conduite de la culture; semillas; germinacion; tratamiento de semillas; levee; seedlings; profondeur de semis; crop management; profundidad de siembra; emergence; plant developmental stages; seed treatment; germination; rapeseed; depth; semilla de colza; profondeur; traitement des semences; profundidad; graine de colza; etapas de desarrollo de la planta; manejo del cultivo; emergencia

Abstract :

The influence of the seeding depth of summer rape (Brassica napus L.) seeds on the dynamics of shoot emergence, formation of plant density and yielding capacity was investigated. Researches were carried out in 2002-2004 on sod-podzolic light loamy soil. Research results proved that the field emergence of rape seeds depended on the soil conditions in the germination period. The highest field ge ...

Shlapunov, V.N., Lukashevich, T.N., Nadtochaeva, I.A., Kapylovich, V.L.. Известия Национальной академии наук Беларуси. Серия аграрных наук (Belarus). Proceedings of the National Academy of Sciences of Belarus. Agrarian Sciences Series, 1817-7204. 2006. Russian.

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sorghum; nitrogen fertilizers; belarus; abonos nitrogenados; fertilizers; nitrogen; aplicacion de abonos; cosecha; siega; sorghum bicolor; fertilizer application; harvesting; fertilisation; azote; mowing; recolte; abonos; engrais; engrais azote; fauchage; nitrogeno

Abstract :

Agricultural and climatic resources and soil conditions of Belarus formed the favourable conditions for the cultivation of annual sweet sorghum (Sorghum saccharatum), high yielding, rought-resistant culture for silo preparation. The reaction of sweet sorghum to different doses of nitrogen fertilizers was revealed. Research results showed that in the process of planning of terms and doses of fe ...

Rupasova, Zh.A., Ignatenko, V.A., Autko, A.A., Autko, An.A., Pozdnyak, O.V.. Известия Национальной академии наук Беларуси. Серия аграрных наук (Belarus). Proceedings of the National Academy of Sciences of Belarus. Agrarian Sciences Series, 1817-7204. 2006. Russian.

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daucus carota; belarus; repollo; aplicacion de abonos; phenolic compounds; compuestos fenolicos; flavonoide; abonos inorganicos; engrais mineral; fertilizer application; fecundacion; organic fertilizers; fertilisation; abonos organicos; phenolic acids; inorganic fertilizers; chou pomme; zanahoria; carrots; compose phenolique; engrais; carotte; engrais organique; fertilization; fertilizers; fecondation; acidos fenolicos; beta vulgaris; cabbages; brassica oleracea capitata; flavonoides; abonos; flavonoids; acide phenolique

Abstract :

Results of comparative study of the parameters of accumulation of bioflavonoids and phenol carbolic acids in carrot (Daucus carota), table beet (Beta vulgaris) and late cabbage (Brassica oleraceae) after application of various types and doses of mineral and organic (in case of table beet) fertilizers in the conditions of 10-variant field experiment on sod-podzolic light loamy soils in Belarus ...

Ilina, Z.M., Belskij, V.I., Perevoznikov, V.N.. Известия Национальной академии наук Беларуси. Серия аграрных наук (Belarus). Proceedings of the National Academy of Sciences of Belarus. Agrarian Sciences Series, 1817-7204. 2006. Russian.

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fibras blandas; world markets; linum usitatissimum; fibre douce; belarus; comercio internacional; developpement de produit; linum; lino; quality; desarrollo de un producto; lin; flax; marche mondial; product development; possibilite de production; mercados mundiales; soft fibres; production possibilities; qualite; commerce international; produccion potencial; international trade; calidad

Abstract :

The tendencies of the world flax products market, the analysis of flax branch state in the Republic of Belarus, the proposals on increasing the efficiency of the national flax subcomplex, the development of raw materials base, the perfection of the flax and flax products processing technology, the directions of improvement of the organizational structure of flax branch were analyzed. In the mo ...

Bajgot, M.S.. Известия Национальной академии наук Беларуси. Серия аграрных наук (Belarus). Proceedings of the National Academy of Sciences of Belarus. Agrarian Sciences Series, 1817-7204. 2006. Russian.

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estructura agricola; belarus; omc; agricultural policies; agricultural structure; commerce; accord commercial; international organizations; agricultural economics; trade agreements; planificacion agricola; politique agricole; economie agricole; developpement agricole; comercio internacional; planification agricole; structure agricole; acuerdos comerciales; agricultural planning; organisation internationale; desarrollo agricola; wto; trade; politica agricola; agricultural development; organizaciones internacionales; comercio; economia agricola; commerce international; international trade

Abstract :

Requirements in the sphere of agriculture of the World Trade Organization (WTO) to the new applicant countries are substantiated. The specific features of tariff rates formation and use of the financial support of commodity producers are formulated. Propositions on the international trade development policies in the negotiation process of the Republic of Belarus entry into WTO are made. Imposs ...

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