Sérgio Augusto de Albuquerque Fernandes

ORCID: 0000-0003-3203-0792
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About
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Research Areas
  • Animal Nutrition and Physiology
  • Rabbits: Nutrition, Reproduction, Health
  • Effects of Environmental Stressors on Livestock
  • Meat and Animal Product Quality
  • Fatty Acid Research and Health
  • Ruminant Nutrition and Digestive Physiology
  • Animal Behavior and Welfare Studies
  • Rural Development and Agriculture
  • Agricultural and Food Sciences
  • Agriculture Sustainability and Environmental Impact
  • Milk Quality and Mastitis in Dairy Cows
  • Diet, Metabolism, and Disease
  • Genetic and phenotypic traits in livestock
  • Soil Management and Crop Yield
  • Probiotics and Fermented Foods
  • Reproductive Physiology in Livestock
  • Spectroscopy and Chemometric Analyses
  • Growth and nutrition in plants
  • Nuts composition and effects
  • Animal Diversity and Health Studies
  • Moringa oleifera research and applications
  • Livestock Management and Performance Improvement
  • Spectroscopy Techniques in Biomedical and Chemical Research
  • Thermoregulation and physiological responses
  • Sensory Analysis and Statistical Methods

Southwest Bahia State University
2007-2021

Universidade Estadual Paulista (Unesp)
1993-2018

Universidad Evangélica Boliviana
2006

Fundação de Estudo e Pesquisa em Medicina Veterinária e Zootecnia
2005

Rabbits are very sensitive to heat stress because they have difficulty eliminating excess body heat. The objective of the current study was evaluate effects on slaughter weight, dressing percentage and carcass meat quality traits rabbits from two genetic groups. Ninety-six weaned were used: half Botucatu group crossbreds between New Zealand White sires does. They assigned a completely randomized design in 2 × 3 factorial arrangement (two groups three ambient temperatures: 18°C, 25°C 30°C)...

10.1017/s1751731112001838 article EN cc-by-nc-nd animal 2012-10-01

As Doenças Exantemáticas na infância representam um grupo significativo de patologias infecciosas, frequentemente caracterizadas por erupções cutâneas associadas a sintomas sistêmicos como febre. O diagnóstico precoce dessas condições é essencial para o manejo adequado e prevenção complicações graves. Este artigo revisa as abordagens diagnósticas das principais Exantemáticas, Sarampo, Rubéola, Varicela, Escarlatina Eritema Infeccioso, destacando importância do exame clínico dos testes...

10.55905/revconv.18n.3-109 article PT cc-by-nc Contribuciones a las Ciencias Sociales 2025-03-13

The objective of this study was to evaluate the effects interaction between genetic group (Botucatu or crossbred) and ambient temperature (thermoneutral, moderate intense heat stress) on physiological indicators performance growing rabbits. Ninety-six weaned rabbits were used, half from Botucatu crossbreds (New Zealand White males × females). They assigned a completely randomized design in 2 3 factorial arrangement (two groups three temperatures) with repeated measures (weeks). Colonic...

10.1016/j.livsci.2011.03.027 article EN publisher-specific-oa Livestock Science 2011-04-11

Abstract BACKGROUND Contamination of milk by antibiotic residues represents risks to the health consumers; therefore they should be monitored. The objective this study was propose a methodology for determination tylosin directly in fluid based on mid‐infrared spectroscopy associated with chemometrics, using attenuated total reflection Fourier transform infrared (ATR‐FTIR) multilayer perceptron network (MLP) and partial least squares (PLS). RESULTS MLP shown adequate discrimination samples...

10.1002/jsfa.10799 article EN Journal of the Science of Food and Agriculture 2020-09-10

O grau de contaminação da pastagem por larvas terceiro estágio (L3) nematoides gastrintestinais foi avaliado em piquetes pastejados ovelhas resistentes ou susceptíveis à verminose.O experimento realizado 23 novembro 2007 a 22 julho 2008.Inicialmente, realizou-se contagem ovos grama fezes (OPG) amostras individuais 130 adultas raça Bergamácia.Dessas, foram selecionadas as nove com contagens mais elevadas OPG (susceptíveis) e 10 menores (resistentes).As apresentaram menor OPG, maiores valores...

10.4322/rbpv.01804012 article PT cc-by Revista Brasileira de Parasitologia Veterinária/Brazilian Journal of Veterinary Parasitology 2009-01-01

The objective was to evaluate the effects of genetic group and age on growth, carcass, meattraits rabbits. A total 144 straightbred Botucatu White German Giant × crossbred rabbitswere involved. Rabbits were weaned at 35 d sequentially slaughtered, four per sexcombination, at: 42, 49, 56, 63, 70, 77, 84 91 d. 2×2 factorial arrangement employed in a completelyrandomized design with repeated measures for growth traits, split-plot carcass meat traits.Crossbred rabbits heavier (2032 vs. 1962 g;...

10.4995/wrs.2006.563 article EN World Rabbit Science 2010-07-07

The objective of the study was to evaluate body growth and age at onset puberty on lambs fed two specific diets for low high rates. A herd 20 Brazilian Bergamasca divided in groups (n= 10) kept confined throughout experimental period, animals same treatment/pen. Two phases were established: Phase 1, from 90 days until puberty; 2, up 1 year old. For distinct formulated, being: Treatment A, which formulated obtain an average daily gain approximately 150g; B, about 250g. In a balanced, equal...

10.1590/1678-4162-8278 article EN cc-by Arquivo Brasileiro de Medicina Veterinária e Zootecnia 2016-01-30

Este trabalho foi realizado com o objetivo de avaliar as características físico-químicas, sensoriais e microbiológicas bebidas lácteas elaboradas leite búfala diferentes níveis iogurte soro lácteo. Foram desenvolvidas cinco formulações à base búfala, queijo tipo frescal iogurte. Os tratamentos foram: T1=10% leite, 10% 80% iogurte; T2=10% 20% 70% T3=10% 30% 60% T4=10% 40% 50% T5=10% Para soro, foram determinadas acidez titulável (°D), densidade a 15°C, gordura, EST ESD. As avaliadas quanto...

10.1590/s0103-84782010005000176 article PT cc-by-nc Ciência Rural 2010-10-27

The objective of this trial was to document the total fatty acids in Murrah buffaloes milk on commercial farms Brazil. Data from forty lactating Murrah-crossbred were collected five located at Sarapui and Pilar do Sul, Sao Paulo-Brazil. A field survey done April November 2002. In four farms, fed with wet brewers grains (primary concentrate). Only one farm (Farm 4) offered pasture corn silage. Monthly samples stored -20ºC until analyzed for acid composition. highest percentage fat C16:0;...

10.4081/ijas.2007.s2.1063 article EN cc-by-nc Italian Journal of Animal Science 2007-01-01

This study was designed to investigate the effects of interaction among genetic group, sex and age on frequencies cross-sectional areas myofiber types in rabbits. A total 48 straightbred crossbred Botucatu rabbits, males females, were involved a split plot design with 2 × (genetic groups genders) factorial arrangement. Young rabbits weaned at 35 days sequentially slaughtered, four per group combination, 42, 63 84 age. The flexor carpi radialis muscle dissected, histological sections (10 μm)...

10.1017/s1751731108002759 article EN cc-by-nc-nd animal 2008-01-01

The buffalo's reproductive seasonality determines the decrease in milk and cheese production generating economic losses on system. Among various food process, we find spray-dryer as an essential tool which helps conservation. We achieved powder three replicates each repetition processed 10 L of buffalo milk. After obtaining final product, samples (200 g) were packaged for evaluated storage time (0, 30, 60, 90, 120 150 days at room temperature). In this context, assessed effects drying by...

10.1590/fst.36418 article EN Food Science and Technology 2019-11-09

Objetivou-se com este trabalho caracterizar os fornecedores de leite um laticínio comercial localizado no Território Identidade Itapetinga por meio da aplicação questionário semiestruturado. Do total 28 foram entrevistados 17, estes estratificados em pequenos (até 50kg leite/dia), médios (51 a 200kg leite/dia) ou grandes (maior que leite/dia). A análise dos dados foi realizada análises unidimensionais e não paramétricas comparação médias. Não observados leite. Dos entrevistados, 17,6%...

10.1590/s1519-99402012000100001 article PT cc-by-nc Revista Brasileira de Saúde e Produção Animal 2012-03-01

As características do leite de búfalas da raça Murrah foram investigadas, utilizando-se como parâmetros a composição, com ênfase no perfil ácidos graxos. análises composição realizadas por meio equipamento Bentley 2000®, o graxos cromatografia gasosa e qualidade fração lipídica foi avaliada, os índices nutricionais, através A búfala sofreu influência fase lactação, aumento teor gordura redução lactose terço final lactação. No total presentes búfala, as maiores concentrações saturados...

10.53393/rial.2010.v69.32614 article PT cc-by REVISTA DO INSTITUTO ADOLFO LUTZ 2010-04-01

The shortage of milk at certain times the year leads to adulteration buffalo mozzarella, and these frauds alter composition derivatives. This study describes dynamics on nutritional quality mozzarella. Mozzarella was produced from incorporated with cow 0, 10, 20, 30, 40 50% (v/v). chemical composition, fatty acids profile cholesterol content cheeses were evaluated. results showed that fat protein contents decreased addition milk. Furthermore, C4:0, C16:0, C22:0 C16:1 while C8:0 C10:0...

10.1590/fst.19619 article EN Food Science and Technology 2020-06-12

Teve-se o objetivo de avaliar período intermitência acionamento do sistema resfriamento adiabático evaporativo (SRAE) por aspersão na linha alimentação, em instalação tipo freestall e sua influência no conforto térmico vacas lactação. Foram utilizadas 12 multíparas com produção média 30 kg leite dia. Os tratamentos corresponderam às intermitências 12; 14 16 min, os dados referentes à temperatura bulbo seco (TBS), umidade relativa ar (UR) globo negro (TGN), interior da ambiente externo, foram...

10.1590/s0100-69162006000300001 article PT cc-by Engenharia Agrícola 2006-12-01

The objective of this research was to measure the activity ∆9-desaturase enzyme in lactating buffaloes. Data from forty Murrah-crossbred buffaloes were collected on five commercial farms located at Sarapui and Pilar do Sul, Sao Paulo-Brazil. A field survey done April November 2002. In four farms, fed with wet brewers grains (primary concentrate). Only one farm (Farm 4) offered pasture corn silage. Monthly milk samples stored -20ºC until analyzed for fatty acid composition. measured using an...

10.4081/ijas.2007.s2.1060 article EN cc-by-nc Italian Journal of Animal Science 2007-01-01
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