Celia Raquel Quirino

• State University of Norte Fluminense

Objetivou-se mensurar a magnitude da variação da temperatura do úbere por termografia infravermelha para diagnóstico de mastite de vacas leiteiras em diferentes tipos de manejo e relacionar com os constituintes e qualidade do leite. Foram analisados 125 bovinos leiteiros de três propriedades. Foram registradas as imagens térmicas do quarto mamário...

In vivo, the temperature inside preovulatory follicles of cows is approximately 1ºC lower than rectal temperature. However, standard bovine oocyte in vitro maturation (IVM) protocols use 38.5ºC based on rectal temperature. This study evaluated the effect of reducing IVM temperature to 37.5ºC on the proteomic profile of oocytes compared to the routi...

The objective of this study was to perform body evaluation of Pêga donkeys (40 females and 10 males) from the Southeast Region of Brazil. Hippometer, measuring tape, and arthrogoniometer were used, considering the left antimere of the animals in a forced quadrupedal position. The analysis of variance showed a difference (p<0.05) between males and f...

The aim of this study was to characterize the hematological profile of the equine Brazilian Pony breed herds in northern of Rio de Janeiro state, Brazil. Blood samples were separated in categories: adult stallions, pregnant mares and non-pregnant mares. The red blood cells (RBC), packed cell volume (PCV), hemoglobin (Hgb), main corpuscular volume (...

The aim of this present study was to evaluate the testis biometry and seminal characteristicsof the Pantaneiro horse breed in two season of year. Th experiment was performed in Pantanal region of Brazil, with evaluation of seven Pantaneiro stallions aged from 4 to 12 years and raised in extensive system. Testis traits and semen of the stallions wer...

A presente pesquisa teve como objetivo avaliar a preferência do peixe Guppy (Poecilia reticulata) por diferentes aspectos de seu ambiente em aquários, comparando o comportamento em um aquário simulando o ambiente natural e outro com enriquecimento ambiental. O experimento foi realizado no Laboratório de Ranicultura do Instituto Federal de Educação,...

Objetivou-se analisar a influência do sistema de criação (coletivo, casinha e tropical) no temperamento de bezerros leiteiros mestiços. Foram estudados 40 bezerros leiteiros mestiços distribuídos em três grupos: 14 bezerros no sistema de casinha, 12 bezerros no sistema coletivo e 14 bezerros no sistema tropical. Os animais foram submetidos as avali...

The evaluation of the carcass composition of livestock generates relevant information on the quality and final yield of the meat products. The objective of this work was to evaluate correlations the ultrasound measurements in vivo of the Longissimus lumborum with the physical-chemical components of one-year-old Santa Ines sheep bred in extensive sy...

The purpose of this study was to compare the extent of inflammation response in the middle carpal joints (MCJ) of healthy horses following intra-articular injection of 2% lidocaine, 0.5% bupivacaine or 0.9% saline solution. The right middle carpal joint of 20 horses was injected with 5 mL of 0.5% bupivacaine (GB, n=10) or 5 mL of 2% lidocaine (GL,...

Resumo Em busca de melhorias na criopreservação do sêmen, substâncias naturais são comumente estudadas com o objetivo de melhorar a qualidade do sêmen. O objetivo deste estudo foi avaliar o efeito da adição de sucos de laranja, abacaxi e beterraba em diferentes concentrações e combinações ao diluidor de criopreservação de sêmen ovino. Foram utiliza...

Searching for improvements in semen cryopreservation, natural substances are commonly studied focusing to improve the sperm quality. The aim of this study were evaluated the effect of adding orange, pineapple, and beet juices in different concentrations and combinations to the ram semen cryopreservation extender. Five ejaculates from five adult ram...

Objetivou­se nesse estudo correlacionar as características morfométricas e de carcaça in vivo em matrizes Dorper puras de origem em diferentes faixas etárias. Foi tomado o escore corporal (EC), medidas morfométricas e feito ultrassom de carcaça em 39 matrizes. Foi feita análise estatística de normalidade das características, comparação das médias,...

Objetivou-se determinar os valores basais de parâmetros do eritrograma, leucograma e bioquímicos de equinos da raça Fjord. As amostras de sangue de 51 equinos foram colhidas pela manhã, com os animais em repouso, por punção jugular. A análise foi realizada em relação ao sexo (machos e fêmeas). Em relação à idade, os animais foram classificados em G...

This study aimed to compare the antinociceptive effects of tramadol 5% and lidocaine 2% on mental nerve block in horses of the Brazilian Pony breed. Eight adult non-pregnant mares were used in this study. The ponies were tranquilized with acepromazine (5 µg kg-1, IV), and the infiltration of the mental foramen was performed in Treatment 1- tramadol...

Abstract The economic losses caused by parasite infections, aggravated by resistance to anthelmintics, have generated demand for alternatives involving non-chemical control, such as the selection of resistant animals. The objective of this study was to identify which characteristics best describe animals that are resistant, resilient or susceptible...

Resumo O objetivo deste estudo foi avaliar o efeito da restrição alimentar na resposta de fase aguda em equinos. Vinte cavalos foram submetidos à restrição alimentar por 48 h enquanto outros 12 animais (controle) tiveram livre acesso à água e alimento. Os animais foram monitorados, examinados e amostras de sangue foram coletadas no início (0) do es...

The objective of this study was to evaluate the effect of feed restriction on acute-phase response in horses. Twenty horses were deprived of food for 48 h and others 12 animals (control) had free access to water and hay. They were closely monitored and examined, and blood samples were taken at the beginning (0) of the study and 6, 12, 18, 24, 30, 3...

A caprinocultura leiteira apresenta-se como uma ótima oportunidade de negócio para o crescimento econômico e desenvolvimento social; pois, o retorno do investimento obtido com a atividade é mais rápido e vantajoso quando comparado com de outras culturas voltadas para a produção animal. O tipo de manejo aplicado aos animais tende a refletir em sua p...

O objetivo do estudo foi avaliar as medidas corporais e testiculares de 18 machos Dorper puros de origem(PO) em diferentes idades no Rio de Janeiro, Brasil. A altura na cernelha, altura da garupa, comprimento corporal,perímetro torácico, escore de condição corporal (ECC), circunferãncia escrotal (CE), comprimento e largura dostestículos foram regis...

O objetivo deste estudo foi comparar medidas corporais e a circunferência escrotal de machos Hereford eBraford desde o nascimento até o ano de idade no Norte Argentino, e verificar a relação entre essas duascaracteristicas. Foram avaliados o peso, circunferência escrotal, altura de garupa e perímetro torácico de registros de225 animais Braford e 22...

Medir la ingesta diaria de alimento individual (DMI) es difícil y costoso debido el tipo de instalaciones, equipos y la mano de obra necesários. Por lo tanto, muchos investigadores han estado buscando características alternativas, más baratas y fáciles de medir, para reemplazar la medición de la ingesta de alimento. El objetivo de este estudio fue...

This study analyzes the evolution of the population structure and genetic diversity of Bra-ford cattle in South America from 1949 to 2019 to suggest effective strategies for breeding in the future. The percentage of bulls historically increased. The average generational interval decreased to 11.78 years for the current population. Average inbreedin...

Background: Infrared thermography is a diagnostic imaging technique that detects the emission of heat by infrared radiation, indicating the temperature of a particular area. Objective: The objective of this study was to measure the magnitude of the udder temperature variation by infrared thermography for mastitis diagnosis of zebuine dairy cows in...

p> Background: Infrared thermography is a diagnostic imaging technique that detects the emission of heat by infrared radiation, indicating the temperature of a particular area. Objective : The objective of this study was to measure the magnitude of the udder temperature variation by infrared thermography for mastitis diagnosis of zebuine dairy cows...

Insulin is present in the seminal plasma and is involved in sperm activities like motility and capacitation. However, the effects of insulin on the viability of cooled ram sperm are not fully understood. Therefore, the objective of the current study was to evaluate the effect of insulin addition on ram sperm maintained at 5ºC. Sperm samples were co...

Excessive infection and inflammation are the most common complications associated with castration. The objective of this study was to compare the efficacy of flunixin meglumine (FM), meloxicam (MX), or firocoxib (FX) for inflammation control after castration in horses using acute-phase proteins (APP) as markers of inflammation. Thirty healthy, unbr...

The objective of this study was to evaluate the effect of feed restriction on some physical and blood parameters in horses kept outdoors under natural conditions. Twenty horses were deprived of food for 48 h. They were closely monitored and examined, and blood samples were taken at the beginning (0) of the experiment and 6, 12, 18, 24, 30, 36, 42 a...

Uma forma de entender decisões do consumidor sobre o tipo de carne que adquirem é realizando uma pesquisa de hábitos de consumo. Este trabalho teve como objetivo caracterizar o perfil dos consumidores de carne ovina na Região Sudeste do Brasil. Desses, 666 pessoas responderam questões sociodemográficas, sobre consumo da carne ovina, aceitabilidade...

The objective of this study was evaluate the efficiency in water and food use in sheep production, using two new traits (residual water intake - RWI; residual feed and residual water intake - RFRWI). For this purpose, we evaluated the relationships between the traits total water intake, RWI and RFRWI with water measures, productive performance and...

This study was undertaken to evaluate the therapeutic effects of topical application of pure sunflower seed oil (oil group) and ozonated sunflower seed oil (ozone group) on acute cutaneous wound healing in eight healthy horses. The control group was treated with 0.9% sodium chloride. Two wounds were surgically produced on each horse on the proximal...

In order to implement a new bariatric surgery technique, we verify the efficacy of intragastric sleeve to reduce weight gain and subcutaneous adipose tissue (SAT). Animals were divided into two groups: G1 (single-port intragastric sleeve) and G2 (sham group). The stomach was surgically reduced by single-port intragastric sutures to fo a gastric sle...

O Pônei Brasileiro é uma raça recente que iniciou o registro dos animais a partir do ano de 1970, e vem sendo selecionada continuamente principalmente na sua morfologia para aperfeiçoamento e padronização racial. O objetivo do estudo foi avaliar através da análise componentes principais medidas morfométricas de garanhões e éguas pôneis da raça Pône...

Context The in vivo evaluation of body tissue development on meat production sheep can be used both to identify and select animals with the best characteristics and to make choices regarding marketing the products of these animals. Aims The objective of this work was to evaluate, using computed tomography, the dynamics of body tissue development a...

This study evaluated the physicochemical, lipid peroxidation, and microbiological quality of mortadellas prepared with ram and supplemented with different amounts of Smallanthus sonchifolius meal. Three mutton mortadella formulations supplemented with 1.25%, 2.50%, and 5% yacón meal and control formulation without yacón meal was included. The physi...

The aim of this study was to analyze the effects of genetic group and sex on residual feed intake, performance, testicular size, carcass and morphometric traits in Santa Ines purebred and Dorper ´ Santa Ines crossbred lambs. A total of 32 lambs, with initial body weight of 18±3.7 kg were used. Analysis of variance, considering the interaction betwe...

The objective with this study was to evaluate the libido and sexual behavior of Pantaneiro stallions in Brazil in two periods, the rainy and dry seasons. Their sexual behavior was evaluated during mating with mares in estrus, and the libido was scored for statistical analysis. The reaction time and time to mount and ejaculate were 78.1±64.6 s and 2...

This study aimed to assess the effects of the inhibition of nitric oxide synthase (NOS) on events that modulate bovine in vitro oocyte maturation. Cumulus–oocyte complexes (COCs) were cultured with hemisections (HSs) of the follicular walls in a maturation medium supplemented with different concentrations (0.1–10.0 mM) of Nω-nitro-l-arginine methyl...

The early pregnancy diagnosis allows optimizing production and timely management correction, with a greater reproductive output of livestock. The Idexx Rapid Visual Pregnancy Test® consists of an ELISA for visual reading which does not require the use of readers in the laboratory, with satisfactory pregnancy diagnoses at 28 days of pregnancy in cat...

Twenty-eight pluriparous and non-lactating Santa Inês sheep were synchronized with vaginal sponge and an intramuscular (IM) injection of 37.5 μg of cloprostenol on random days of the estrous cycle (D0); day 6 (D6), at 7:00 am, the devices were removed, and after 24 h (D7), GnRH analog (25 μg of lecirelin) was administrated. Fixed-time artificial in...

Background: Pregnancy in all animal species requires special care and attention. During this period there is great variation in hematological and biochemical parameters. Many times these parameters are misinterpreted as being obtained from non-pregnant animals with unknown parasite status. Objective: To characterize the hematological, biochemical,...

The objective of this study was to evaluate the effect of environment on follicular diameter and repeatability of the size of preovulatory follicles of mares. Temperature, rainfall, and photoperiod were measured, and their effects were evaluated on follicular dynamics. Data were studied by analysis of variance of follicular size and environment tra...

We aimed to elucidate whether NO acts in in vitro sperm capacitation in bovine via cGMP/PKG1 pathway. For this, cryopreserved bovine sperm were capacitated in vitro with 20 µg/ml heparin (Control) plus treatments: 1mM L‐arginine (L‐arg, NO precursor), 50 µM Rp‐8‐Bromo‐β‐phenyl‐1,N2‐ethenoguanosine‐3′,5′‐cyclic monophosphorothioate (Rp‐8‐Br‐cGMPS, s...

The objective was to evaluate the seminal quality of Morada Nova sheep consuming diets supplemented with macadamia residue and protected fat. The experiment was carried out with 24 rams aged 18 or 30 months, distributed in four treatment groups: control (C), 50 g (MAC50) or 150 g (MAC150) of macadamia industrial by-product; and 50 g of protected fa...

The aim of the study was to determine the concentration pattern of intra-articular acute phase proteins (APPs) and immunoglobulins in healthy crossbred cattle. Synovial fluid (SF) samples were collected from the radiocarpal joint of 25 heifers and 25 steers. Concentrations of APPs were measured by SDS-PAGE. The results were submitted to analysis of...

Background: Current reproductive management of bovine elite populations involves the use of assisted reproductive technologies (ARTs), aiming to obtain the greatest genetic gain. However, inadequate use of ARTs may lead to loss of genetic diversity in the offspring. Objective: To assess the genetic diversity in elite female cattle populations used...

Um dos principais problemas da ovinocultura é o parasitismo causado por nematóides gastrintestinais que acarretam grandes prejuízos na atividade, e que inviabilizam a produção econômica. Por esse motivo a utilização sem critério técnico de produtos químicos se tornam cada vez mais frequentes nas propriedades, contribuindo assim para a resistência p...

Excess sodium in food is associated with an increased risk of noncommunicable diseases. Faced with this reality, consumers are becoming aware of the importance of eating foods with reduced sodium content. This work assesses the effects of partial replacement of NaCl by KCl on the microbiological and physicochemical characteristics of uncooked lamb...

PurposeThis study aimed to associate DNA variants in promoter and exon flanking regions of the CYP19A1 gene with in vitro embryo production traits in cattle. The role of transcription factor binding sites created or lost due to DNA sequence variation and their possible effect on gene expression was also evaluated. Methods We collected date from Gyr...

This study aimed to evaluate the influence of tactile stimulation and halter walking trainings in the temperament, physiology, behavior and body weight of sheep. A total of 80 sheep, males and females, of the Morada Nova (MN) and Santa Ines (SI) breeds, with initial ages of six to eight months, were trained with tactile stimulation (TS), halter wal...

Background Because of the influence of genetics on animal production and the risk of losing genetic diversity of naturally adapted breeds, this study evaluated the genetic diversity of sheep of the Morada Nova breed belonging to an animal science institute in Brazil. The herd in question is one of the country’s most representative of the breed. Sam...

Background: Genetic and epigenetic variations of the serotonin transporter gene (SLC6A4) have been related to the etiology of depression. The 5-HTTLPR polymorphism at the SLC6A4 promoter region has two variants, a short allele (S) and a long allele (L), in which the S allele results in lower gene transcription and has been associated with depressio...

Este estudo objetivou investigar a variabilidade genética em dois loci do gene MC1R associados à cor de pelagem em ovinos Santa Inês. Pelos foram coletados da cauda de 121 animais com diferentes pigmentações. A genotipagem foi realizada por PCR RFLP com enzimas de restrição (NlaIII e BmgBI). As frequências alélicas e genotípicas esperadas no equilí...

This study evaluated the effect of different yacón meal concentrations (Smallanthus sonchifolia) on the physicochemical, microbiological, and sensory characteristics of four mortadella formulations (F1, F2, F3, and control) prepared with mutton, pork fat, and additives. All formulations met the physicochemical and microbiological standards defined...

The objective of this study was to evaluate the variation of surface temperature through infrared thermography (IRT) in different anatomical regions during the estrous cycle of hair sheep. The estrous cycle of 20 Santa Ines hair breed ewes was synchronized and, during this synchronization period (15 days), environmental conditions (temperature, hum...

The LIM and SH3 protein 1 (LASP1) and the ligand dependent nuclear receptor corepressor-like (LCORL) genes were selected as candidates in this study of growth and height of equines of the Brazilian Pony breed. Until now, no genomic studies on the morphometry of Brazilian ponies have been reported in the literature. Both genes are correlated with os...

Growth curves of the Morada Nova sheep males and females were described using nonlinear models and the relationships between body weight and thoracic circumference were evaluated. Altogether 1516 repeated measures of body weight and thoracic circumference of the Morada Nova sheep (668 males and 848 females) taken since birth till 730 days of age we...

Objetivou-se com este trabalho acompanhar o processo de rigor mortis e avaliar a composição química da carne de 34 cordeiros confinados, 11 da raça Santa Inês e 23 ¼ Santa Inês ¾ Dorper, submetidos a dois tratamentos experimentais: sem gordura protegida (T0) e com gordura protegida (T1). Os animais foram abatidos com idade média de 180 dias e o pes...

The objective of this study was to evaluate the environmental effects on embryo recovery rate and pregnancy rate of Mangalarga Marchador mares. The reproductive characteristics of donor and recipient mares were evaluated during five years in Brazilian tropical environment. The mares were used throughout the year and seasons were classified as: Octo...

Background: Assessing breeding soundness is important to predict the potential fertility of stallions. Objective: To investigate the association of testis traits, total number of spermatozoa, and testosterone with fertility of Mangalarga Marchador breed stallions. Methods: The traits measured were testicular length, width and height, right and left...

Várias técnicas são utilizadas para avaliar, tipificar e classificar carcaças de animais de interesse zootécnico, para fins de seleção de animais que apresentem as características desejadas, ou avaliar o produto gerado pelos animais destinados ao abate. Os métodos mais antigos e comumente utilizados são aqueles de aplicação mais prática e menos acu...

Devido à importância da seleção precoce de carneiros da raça Santa Inês no Brasil, estimamos a repetibilidade e verificados os efeitos da idade sobre as características seminais, perímetro escrotal e peso corporal em 51 carneiros da raça Santa Inês com idades entre 6 a 26 meses de idade, durante um ano. Os animais foram divididos em grupos de idade...

Due to the importance of the early selection of Santa Ines rams in Brazil, we have estimated the repeatability and verified the effects of age on seminal characteristics, scrotal circumference and body weight in 51 Santa Ines rams aged 6 to 26 months during one year. Animals were divided by age: group 1 (6 to 12 months) and group 2 (12 to 26 months...

This work evaluated the chemical composition, color and instrumental texture of fresh lamb sausages prepared with passion fruit meal and KCl. Seven formulations were produced: one control; Two with 50% NaCl replacement per KCl, two with 25% NaCl replacement per KCl and two with no NaCl substitution, decrease in the amount of fat and addition of pas...

We randomly selected 10 non-castrated males lambs (6 of the race Santa Inês and 4 F1 Santa Inês X Dorper) for the measurement of the following morphometric measurements: dental chronology, the live weight at slaughter, withers height and hip, body length, chest girth, yield cold carcass, scrotal circumference and testicular length and width. Was pe...

We randomly selected 10 non-castrated males lambs (6 of the race Santa Inês and 4 F1 Santa Inês X Dorper) for the measurement of the following morphometric measurements: dental chronology, the live weight at slaughter, withers height and hip, body length, chest girth, yield cold carcass, scrotal circumference and testicular length and width. Was pe...

This study aimed at evaluating the chemical composition and profile of fatty acids from the meat of lambs supplemented with or without protected fat. It was used 34 lambs, 11 pure Santa Inês and 23 crossbred 3/4 Dorper 1/4 Santa Inês, which were distributed in two pens. There were two treatments: commercial concentrate without protected fat (Treatm...

Yacón meal has been used as supplement in several food products. Functional components of yacón meal include fructans such as inulin, fructooligosaccharides, and phenolic compounds with proved benefits to human health. Mutton has become a viable alternative in mortadella production due to its nutritional and sensory attributes. This study describes...

This work aimed to investigate the relationship between echogenicity, testicular biometry, and accessory gland biometry and evaluate the echogenicity pattern of these structures in Santa Ines rams. Fifty-four healthy Santa Ines sheep were classified into three age groups: group 1 - 3 to 5 months (pre-pubertal); group 2 - 7 to 11 months (pubertal);...

We aimed to compare measurements of speed and blood flow parameters obtained manually and automatically in the uterine arteries of pregnant ewes. Eighteen Santa Inês ewes, confirmed to be pregnant, were followed every 2 weeks until parturition. The systolic peak (PS), end diastolic velocity (ED), maximum and average speed in the cardiac cycle (TAMA...

Evaluation of the testis size is very important in stallions’ selection, since it is an indirect determinant of their reproductive potential. The aim of this study was to evaluate the biometric testicular traits, calculate the volume testicular and analyze the serum testosterone concentration of the stallion. During six months were measured the tes...

Background: the allonursing effect on daily milk production (DMP) and total milk production (TMP) has been little explored. Objective: to evaluate the effect of nursing behavior, sex of the calf and parity order (PO) on DMP and TMP of buffalo cows. Methods: 35 buffalo cows and their calves were evaluated. Observations were performed monthly (thre...

The welfare of livestock production is a recurring theme. Ease of access to information on the production methods of species farmed to provide food to human make concern about animals is relevant to the acceptance of such products by consumers and its subsequent acquisition. In addition to the growing demands of consumers, it is known that animals...

The objective of this study was to characterize the ponies of Ponei Brasileiro breed through linear measurements, biometric indexes, morphological indexes and evaluate the effect of gender. Linear measurements and the body indexes of these measures were performed in relation to the height at withers and different morphological indexes (body index,...

In many species, including the dog (Canis familiaris), semen analysis protocols has improved in recent years. In vitro assessment of semen quality provides important information; however, the ultimate parameter for determining semen quality is pregnancy outcome. The objective of the present study was to investigate the efficiency of in vitro sperm...

O objetivo foi de verificar a correlação entre os escores de Famacha©, contagem de ovos por grama de fezes (OPG), volume globular (VG) e variáveis de desempenho, de ovelhas em diferentes estados fisiológicos (vazias, gestantes e lactantes), criadas no município de Quissamã, estado de Rio de Janeiro. O estudo foi realizado durante um ano, utilizando...