Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill)
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRPE |
Texto Completo: | http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6820 |
Resumo: | The objective of this study was to evaluate the effect of usage of commercial concentrates with different levels of protein in the diet of lactating Girolando cows on the nutrient intakes, performance and milk composition. Eight Girolando cows were used in the experiment. They averaged 545 ± 50 kg of living weight and 110 ± 14 days of lactation at the beginning of the experiment, with average production of 20 ± 3.2 kg / day, divided in two 4x4 latin squares. Diets were composed of giant cactus, native grass silage and concentrates trading with different protein levels 32, 39, 45 and 49% CP. Intake of dry matter (in kg/day, %BW, g/kgPV0,75), organic matter (OM), neutral detergent fiber (NDF kg/day and %PV), intake of total carbohydrates (TCH), ether extract (EE), non-fibrous carbohydrates (NFC) and total digestible nutrients (TDNI) were higher for animals with the 32% CP diet over the 39% CP diet. EE intake was lower for 49% concentrated diet. CP intake was not changed by the use of more concentrated protein. Apparent digestibility of DM, OM, CP, NDF and TC was higher in treatment with 49% concentrated in comparison to 39%. Milk production, total (kg/day) and corrected to 4% fat (kg/day) was lower for animals receiving 39% concentrated diet. Fat production was lower for treatments 39 and 49%. The 32% diet provided higher lactose and solids (kg/day) than the other treatments. Fat content was lower in the 49% diet, while the content of protein and lactose did not differ between treatments. Feed efficiency did not differ between treatments. Usage of concentrates with higher protein content promoted changes in consumption and digestibility of nutrients, as well as production and milk composition. |
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BATISTA, Ângela Maria VieiraFERREIRA, Marcelo de AndradeBARBOSA, Severino Benone PaesGUIM, AdrianaSANTOS, Gladston Rafael de ArrudaVÉRAS, Robson Magno LiberalGONZAGA NETO, Severinohttp://lattes.cnpq.br/5376069513155695AMORIM, Guilherme Lyra2017-04-27T12:44:45Z2011-02-25AMORIM, Guilherme Lyra. Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill). 2011. 81 f. Tese (Programa de Pós-Graduação em Zootecnia) - Universidade Federal Rural de Pernambuco, Recife.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6820The objective of this study was to evaluate the effect of usage of commercial concentrates with different levels of protein in the diet of lactating Girolando cows on the nutrient intakes, performance and milk composition. Eight Girolando cows were used in the experiment. They averaged 545 ± 50 kg of living weight and 110 ± 14 days of lactation at the beginning of the experiment, with average production of 20 ± 3.2 kg / day, divided in two 4x4 latin squares. Diets were composed of giant cactus, native grass silage and concentrates trading with different protein levels 32, 39, 45 and 49% CP. Intake of dry matter (in kg/day, %BW, g/kgPV0,75), organic matter (OM), neutral detergent fiber (NDF kg/day and %PV), intake of total carbohydrates (TCH), ether extract (EE), non-fibrous carbohydrates (NFC) and total digestible nutrients (TDNI) were higher for animals with the 32% CP diet over the 39% CP diet. EE intake was lower for 49% concentrated diet. CP intake was not changed by the use of more concentrated protein. Apparent digestibility of DM, OM, CP, NDF and TC was higher in treatment with 49% concentrated in comparison to 39%. Milk production, total (kg/day) and corrected to 4% fat (kg/day) was lower for animals receiving 39% concentrated diet. Fat production was lower for treatments 39 and 49%. The 32% diet provided higher lactose and solids (kg/day) than the other treatments. Fat content was lower in the 49% diet, while the content of protein and lactose did not differ between treatments. Feed efficiency did not differ between treatments. Usage of concentrates with higher protein content promoted changes in consumption and digestibility of nutrients, as well as production and milk composition.Objetivou-se avaliar o efeito da utilização de concentrados comerciais com diferentes teores de proteína na dieta de vacas Girolando em lactação sobre o consumo dos nutrientes, desempenho e composição do leite. Foram utilizadas oito vacas da raça Girolando com peso vivo médio de 545 ± 50 kg, com 110 ± 14 dias de lactação no início do experimento, e produção média de 20 ± 3,2 kg/dia, distribuídas em dois quadrados latinos 4x4. As dietas foram compostas por palma gigante, silagem de pasto nativo e concentrados comerciais com os seguintes níveis de proteína bruta 32, 39, 45 e 49%. Os consumos de matéria seca (kg/dia, %PV e g/kgPV0,75), matéria orgânica (MO), fibra em detergente neutro (kg/dia e %PV), consumo de carboidratos totais (CHOT), extrato etéreo (EE), carboidratos não fibrosos (CNF) e o consumo de nutrientes digestíveis totais (CNDT) foram maiores para os animais que recebiam a dieta com o concentrado 32% PB em relação ao tratamento com concentrado 39%. O consumo de EE foi menor para a dieta com concentrado 49%. O consumo de PB não foi alterado pela utilização de concentrados mais protéicos. A digestibilidade aparente da MS, MO, PB, FDN e CHOT foi superior no tratamento com o concentrado 49% em relação ao concentrado 39%. A produção de leite, total (kg/dia) e corrigida para 4% de gordura (kg/dia) foi menor nos animais que recebiam a dieta com concentrado 39%. A produção de gordura foi inferior para os tratamentos concentrado 39 e 49%. O concentrado com 32% de PB proporcionou produção de lactose e sólidos totais (kg/dia) superiores, quando comparado aos demais tratamentos. O teor de gordura do leite foi inferior quando os animais recebiam o concentrado com 49%de PB, enquanto que o teor de proteína e lactose não foi influenciado pelo tratamento. A eficiência alimentar não diferiu entre os tratamentos. A utilização de concentrados com maior teor de proteína promove mudanças no consumo e na digestibilidade dos nutrientes, bem como na produção e composição do leite.Submitted by (edna.saturno@ufrpe.br) on 2017-04-27T12:44:45Z No. of bitstreams: 1 Guilherme Lyra Amorim.pdf: 335889 bytes, checksum: 2dd3816afcb288178a40b17f6484a6dc (MD5)Made available in DSpace on 2017-04-27T12:44:45Z (GMT). No. of bitstreams: 1 Guilherme Lyra Amorim.pdf: 335889 bytes, checksum: 2dd3816afcb288178a40b17f6484a6dc (MD5) Previous issue date: 2011-02-25Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPqapplication/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em ZootecniaUFRPEBrasilDepartamento de ZootecniaRuminanteNutriçãoAminoácidosBovino de leitePalma forrageiraAmino acidsNutritionCowPalm forageRumenCIENCIAS AGRARIAS::ZOOTECNIAConcentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. 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dc.title.por.fl_str_mv |
Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill) |
title |
Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill) |
spellingShingle |
Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill) AMORIM, Guilherme Lyra Ruminante Nutrição Aminoácidos Bovino de leite Palma forrageira Amino acids Nutrition Cow Palm forage Rumen CIENCIAS AGRARIAS::ZOOTECNIA |
title_short |
Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill) |
title_full |
Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill) |
title_fullStr |
Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill) |
title_full_unstemmed |
Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill) |
title_sort |
Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill) |
author |
AMORIM, Guilherme Lyra |
author_facet |
AMORIM, Guilherme Lyra |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
BATISTA, Ângela Maria Vieira |
dc.contributor.advisor-co1.fl_str_mv |
FERREIRA, Marcelo de Andrade |
dc.contributor.advisor-co2.fl_str_mv |
BARBOSA, Severino Benone Paes |
dc.contributor.referee1.fl_str_mv |
GUIM, Adriana |
dc.contributor.referee2.fl_str_mv |
SANTOS, Gladston Rafael de Arruda |
dc.contributor.referee3.fl_str_mv |
VÉRAS, Robson Magno Liberal |
dc.contributor.referee4.fl_str_mv |
GONZAGA NETO, Severino |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/5376069513155695 |
dc.contributor.author.fl_str_mv |
AMORIM, Guilherme Lyra |
contributor_str_mv |
BATISTA, Ângela Maria Vieira FERREIRA, Marcelo de Andrade BARBOSA, Severino Benone Paes GUIM, Adriana SANTOS, Gladston Rafael de Arruda VÉRAS, Robson Magno Liberal GONZAGA NETO, Severino |
dc.subject.por.fl_str_mv |
Ruminante Nutrição Aminoácidos Bovino de leite Palma forrageira |
topic |
Ruminante Nutrição Aminoácidos Bovino de leite Palma forrageira Amino acids Nutrition Cow Palm forage Rumen CIENCIAS AGRARIAS::ZOOTECNIA |
dc.subject.eng.fl_str_mv |
Amino acids Nutrition Cow Palm forage Rumen |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS::ZOOTECNIA |
description |
The objective of this study was to evaluate the effect of usage of commercial concentrates with different levels of protein in the diet of lactating Girolando cows on the nutrient intakes, performance and milk composition. Eight Girolando cows were used in the experiment. They averaged 545 ± 50 kg of living weight and 110 ± 14 days of lactation at the beginning of the experiment, with average production of 20 ± 3.2 kg / day, divided in two 4x4 latin squares. Diets were composed of giant cactus, native grass silage and concentrates trading with different protein levels 32, 39, 45 and 49% CP. Intake of dry matter (in kg/day, %BW, g/kgPV0,75), organic matter (OM), neutral detergent fiber (NDF kg/day and %PV), intake of total carbohydrates (TCH), ether extract (EE), non-fibrous carbohydrates (NFC) and total digestible nutrients (TDNI) were higher for animals with the 32% CP diet over the 39% CP diet. EE intake was lower for 49% concentrated diet. CP intake was not changed by the use of more concentrated protein. Apparent digestibility of DM, OM, CP, NDF and TC was higher in treatment with 49% concentrated in comparison to 39%. Milk production, total (kg/day) and corrected to 4% fat (kg/day) was lower for animals receiving 39% concentrated diet. Fat production was lower for treatments 39 and 49%. The 32% diet provided higher lactose and solids (kg/day) than the other treatments. Fat content was lower in the 49% diet, while the content of protein and lactose did not differ between treatments. Feed efficiency did not differ between treatments. Usage of concentrates with higher protein content promoted changes in consumption and digestibility of nutrients, as well as production and milk composition. |
publishDate |
2011 |
dc.date.issued.fl_str_mv |
2011-02-25 |
dc.date.accessioned.fl_str_mv |
2017-04-27T12:44:45Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
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doctoralThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
AMORIM, Guilherme Lyra. Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill). 2011. 81 f. Tese (Programa de Pós-Graduação em Zootecnia) - Universidade Federal Rural de Pernambuco, Recife. |
dc.identifier.uri.fl_str_mv |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6820 |
identifier_str_mv |
AMORIM, Guilherme Lyra. Concentrados comerciais com diferentes teores de proteína bruta para vacas em lactação submetidas a dietas com palma forrageira (Opuntia fícus-indica. Mill). 2011. 81 f. Tese (Programa de Pós-Graduação em Zootecnia) - Universidade Federal Rural de Pernambuco, Recife. |
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http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6820 |
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por |
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Universidade Federal Rural de Pernambuco |
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UFRPE |
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Universidade Federal Rural de Pernambuco |
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