Revista Brasileira de Zootecnia

The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.

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Revista Brasileira de Zootecnia

The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.

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Revista Brasileira de Zootecnia

The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.

  • About
    • History
    • Focus and scope
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    • Editorial team
  • Available issues
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    • Instructions to authors
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Volume 44, Issue 7, 2015

Replacement of aruana grass by gliricidia (Gliricidia sepium) on silage quality

Danilo Antonio Massafera, Ligiane Aparecida Florentino, Carlos Henrique Silveira Rabelo, Carla Joice Härter, Adauton Vilela de Rezende, Ricardo Andrade Reis

01/Jul/2015

Replacement of aruana grass by gliricidia (Gliricidia sepium) on silage quality

Danilo Antonio Massafera, Ligiane Aparecida Florentino, Carlos Henrique Silveira Rabelo, Carla Joice Härter, Adauton Vilela de Rezende, Ricardo Andrade Reis

DOI: 10.1590/S1806-92902015000700001

Our objective was to investigate the effect of the replacement of aruana grass by gliricidia on the fermentative losses, chemical composition, and aerobic stability of silages. For ensiling, whole-crop aruana grass (75 d of growth) was chopped (275 g kg-1 dry matter – DM) and ensiled alone or associated with gliricidia (270 g kg-1 DM; 150 d of growth). For gliricidia, we used only the leaves and stalks to ensile. The evaluated treatments were different ratios of aruana grass to […]

Keywords: digestibility; fermentative process; fiber; legumes; tropical grass

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Reproductive success or failure in four breed groups of beef bulls

Sílvio Renato Oliveira Menegassi, Júlio Otávio Jardim Barcellos, Vanessa Peripolli, Eduardo Antunes Dias, João Batista Gonçalves Costa Junior, Maitê de Moraes Vieira, [...]

01/Jul/2015

Reproductive success or failure in four breed groups of beef bulls

Sílvio Renato Oliveira Menegassi, Júlio Otávio Jardim Barcellos, Vanessa Peripolli, Eduardo Antunes Dias, João Batista Gonçalves Costa Junior, Maitê de Moraes Vieira, [...]

DOI: 10.1590/S1806-92902015000700002

The objective of this study was to determine the main causes of failure in bull breeding using a soundness evaluation in Rio Grande do Sul State/Brazil. We evaluated 19,836 bulls from 15 different breeds with ages ranging from two to eight years. The failures of bulls in each step were analyzed by logistic regression. The binary logistic regression was applied because the response variable had only two responses: Success (1) and Failure (0). Older bulls are more likely to be […]

Keywords: BBSE; fertility; mounting ability; scrotal circumference

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Physicochemical characteristics and fatty acid profile of meat from lambs with different genotypes and diets

Roberto Germano Costa, Neube Michel dos Santos, Rita de Cássia Ramos do Egypto Queiroga, Wandrick Hauss de Sousa, Marta Suely Madruga, Felipe Queiroga Cartaxo

01/Jul/2015

Physicochemical characteristics and fatty acid profile of meat from lambs with different genotypes and diets

Roberto Germano Costa, Neube Michel dos Santos, Rita de Cássia Ramos do Egypto Queiroga, Wandrick Hauss de Sousa, Marta Suely Madruga, Felipe Queiroga Cartaxo

DOI: 10.1590/S1806-92902015000700003

The objective of this study was to evaluate the chemical composition and fatty acid profile of meat from Santa Inês, Dorper × Santa Inês, and undefined-breed lambs finished in a feedlot system according to two forage:concentrate ratios (50:50 and 20:80) in the diet. Overall, 54 non-castrated animals were used (with an average initial weight of 23±1.5 kg at 150 days old) and were slaughtered when they reached 36 kg of live weight or 63 days of confinement. Diets with high […]

Keywords: Dorper; genotype; lipids; meat quality; proximate composition; Santa Inês

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Relationship between residual feed intake and enteric methane emission in Nellore cattle

Maria Eugênia Zerlotti Mercadante, Ana Paula de Melo Caliman, Roberta Carrilho Canesin, Sarah Figueiredo Martins Bonilha, Alexandre Berndt, Rosa Toyoko Shiraishi Frighetto, [...]

01/Jul/2015

Relationship between residual feed intake and enteric methane emission in Nellore cattle

Maria Eugênia Zerlotti Mercadante, Ana Paula de Melo Caliman, Roberta Carrilho Canesin, Sarah Figueiredo Martins Bonilha, Alexandre Berndt, Rosa Toyoko Shiraishi Frighetto, [...]

DOI: 10.1590/S1806-92902015000700004

Feed intake and average daily gain (ADG) in Nellore cattle were determined to calculate residual feed intake in two performance tests: first during the growth phase (RFIgrowth) and then during a measurement of the methane emission phase (RFImet). During the RFIgrowth test, 62 males and 56 females were classified as low-, medium-, and high-RFI. Enteric methane emission was measured in 46 animals; 23 males used for RFImet measurement plus 23 females (22 low-RFIgrowth and 24 high-RFIgrowth). Diet consisted of Brachiaria […]

Keywords: beef cattle; enteric methane production; feed efficiency; performance; sulfur hexafluoride

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Fatty acid profile, chemical composition, and sensory effects of crude glycerin on the longissimus dorsi of crossbred Boer goat kids

Karlyene Sousa da Rocha, Henrique Nunes Parente, Michelle de Oliveira Maia Parente, Evandro Maia Ferreira, Jocélio dos Santos Araújo, Rita de Cássia Ramos do Egypto Queiroga, [...]

01/Jul/2015

Fatty acid profile, chemical composition, and sensory effects of crude glycerin on the longissimus dorsi of crossbred Boer goat kids

Karlyene Sousa da Rocha, Henrique Nunes Parente, Michelle de Oliveira Maia Parente, Evandro Maia Ferreira, Jocélio dos Santos Araújo, Rita de Cássia Ramos do Egypto Queiroga, [...]

DOI: 10.1590/s1806-92902015000700005

The objectives of this trial were to evaluate the fatty acid profile, chemical composition, and sensory effects of crude glycerin on the longissimus dorsi muscle of crossbred Boer goat kids. Twenty crossbred Boer goat kids (20.8±2.9 kg of BW at slaughter) were used in a completely randomized block design to determine the effect of partial replacement of corn by crude glycerin on chemical composition, longissimus dorsi muscle fatty acid profile, and sensory characteristics of meat. Kids were penned individually for […]

Keywords: glycerol; meat flavor; meat quality

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amino acids beef cattle Brachiaria decumbens carcass dairy cattle digestibility feedlot growth heritability intake Nellore nutrition Pennisetum purpureum performance pH protein sheep swine urea weight gain

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  • About
    • History
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ISSN: 1516-3598 (printed version from 1997 to 2009)

e-ISSN: 1806-9290

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