Gross Margin
Mostrando 1-12 de 43 artigos, teses e dissertações.
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1. Factors related to the economic performance of wheat commercial fields
ABSTRACT The variability of agronomic performance and of input use level of wheat commercial fields allows the identification of the factors with the greatest contribution to its economic performance. The objective of this work was to identify the main factors related to the variability of economic performance in wheat commercial fields in the Southern Regio
Rev. Ceres. Publicado em: 11/11/2019
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2. Forage sources in diets for dairy goats
ABSTRACT. The objective of this study was to evaluate the use of sorghum silage, Buffel grass hay and forage palm fodder in the diet of dairy goats by means of performance tests and economic viability of different roughage sources. Eight Anglo-Nubian goats, multiparous, weighing around 40.13 ± 2.76 kg of live weight were used. The experiment lasted 84 days,
Acta Sci., Anim. Sci.. Publicado em: 24/10/2019
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3. Análise bioeconômica do farelo de arroz na recria de bezerras de corte em azevém
RESUMO Objetivou-se avaliar a economicidade, o desempenho produtivo e o desenvolvimento das estruturas corporais relacionadas ao trato reprodutivo de bezerras de corte mantidas exclusivamente em pastagem de azevém (Lolium multiflorum Lam.) ou em pastagem de azevém recebendo 0,5 e 1,0% do peso corporal (PC) de farelo de arroz integral (FAI) como suplemento.
Arq. Bras. Med. Vet. Zootec.. Publicado em: 10/10/2019
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4. Typology of beef production systems according to bioeconomic efficiency in the south of Brazil
RESUMO: O objetivo deste estudo foi avaliar a eficiência bioeconômica em sistemas de produção de bovinos de corte no sul do Brasil. A pesquisa foi realizada com 33 pecuaristas que operam com sistemas de produção baseado em ciclo completo, em áreas maiores ou iguais a 900 hectares. As respostas foram classificadas em dois fatores: tecnologia (TEC) e g
Cienc. Rural. Publicado em: 05/09/2019
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5. Overprice on purchase of replacement cattle and genetic group as variables of economic result in feedlot operations
ABSTRACT The objective of this study was to analyze the economic result of feedlot operation for three genetic groups of cattle (Nellore, Nellore crossing with other Zebuine breeds, and Dairy crossbred) as a function of the overprice on the purchase price of cattle to be feedlot-finished. The study involved data of 57,589 animals divided into 709 lots origin
R. Bras. Zootec.. Publicado em: 26/08/2019
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6. PRODUCTIVE VIABILITY AND PROFITABILITY OF CARROT-COWPEA INTERCROPPING USING DIFFERENT AMOUNTS OF Calotropis procera
RESUMO Sistema consorciado e uso de adubação verde com espécies espontâneas tem sido um método alternativo de cultivo aplicado ao setor produtivo de hortaliças na região semiárida nordestina. O objetivo deste trabalho foi determinar qual quantidade de Calotropis procera deve ser incorporada ao solo para proporcionar o melhor desempenho produtivo das
Rev. Caatinga. Publicado em: 09/05/2019
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7. Energy efficiency of pasta waste and its effect on performance, carcass, and economic viability of broilers
ABSTRACT The objective of this study was to determine the energy value of pasta waste through a metabolism trial and determine the best level of its inclusion in broiler diets. In the metabolism trial, sixty 14-day-old birds were assigned to two treatments (control diet and a diet in which 30% was replaced by the byproduct) with six replicates and five birds
R. Bras. Zootec.. Publicado em: 23/11/2018
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8. Tifton 85 bermudagrass (Cynodon sp.) silage as a replacement for Tifton 85 hay to feed lactating cows
ABSTRACT The objective of the study was to evaluate the replacement of Tifton 85 hay (TH) for Tifton 85 silage (TS) in the diets of lactating cows. Five Holstein cows in middle of lactation were allocated in a 5 × 5 Latin square design and each experimental period lasted 18 days (12 days for adaptation and six days for collection). Treatments consisted of r
R. Bras. Zootec.. Publicado em: 2017-09
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9. Economic analysis of dairy cattle farms in east Mediterranean region of Turkey
ABSTRACT The purpose of this study was to calculate costs of milk production, gross production value, gross margin, absolute profit, and relative profit of dairy cattle farms located in the provinces of east Mediterranean region of Turkey. Primary data were collected from 148 dairy cattle farms designated using the Neyman Stratified Sampling method through s
R. Bras. Zootec.. Publicado em: 2016-07
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10. Effect of different dietary concentrations of Amino Acids on the performance of two different Broiler Strains
Four Nutritional Programs (NP) used in the Brazilian poultry industry were tested in two broiler strains (Cobb 500 and Ross 308). NP varied in the concentrations of their main essential amino acids (AA) and were classified as Low, Regular, High and Mixed (high AA concentrations up to 21 days and regular concentrations after that). Minimum digestible Met+Cys/
Rev. Bras. Cienc. Avic.. Publicado em: 2013-12
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11. Aluminothermic reduction of Cr2O3 contained in the ash of thermally treated leather waste
In this study the viability of utilising ashes with high chromium oxide content, obtained by thermal treatment of footwear leather waste, in the production of low-carbon ferrochromium alloy (Fe-Cr-LC) by aluminothermic reduction was investigated. The following key-factors were selected for process modelling: the quantity of aluminium (Al) employed in the rea
Braz. J. Chem. Eng.. Publicado em: 2013-03
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12. Gestão financeira e econômica da propriedade rural com multiproduto
Farmers have always neglected management procedures in their enterprises in detriment to initiatives regarding production technology. Overall, producers and technicians know the answer to what, how and when to produce, but they dont know the cost or profitability of this technology. The present study shows the importance of the sustainability of agricultural
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/08/2012