A5025260803- Animal Nutrition and Physiology
- Comparative Animal Anatomy Studies
- Livestock and Poultry Management
- Meat and Animal Product Quality
- Aquaculture Nutrition and Growth
- Animal Behavior and Welfare Studies
- Natural Antidiabetic Agents Studies
- Sperm and Testicular Function
- Reproductive biology and impacts on aquatic species
- Avian ecology and behavior
- Veterinary Orthopedics and Neurology
- Rabbits: Nutrition, Reproduction, Health
- Bird parasitology and diseases
- Effects of Environmental Stressors on Livestock
- Genetic and phenotypic traits in livestock
- Orthopedic Surgery and Rehabilitation
- Tendon Structure and Treatment
- Veterinary Equine Medical Research
- Toxoplasma gondii Research Studies
- Pancreatic function and diabetes
- Fish biology, ecology, and behavior
- Animal health and immunology
- Veterinary Medicine and Surgery
- Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
- Coronary Artery Anomalies
Universidade Estadual Paulista (Unesp)
2013-2022
Universidade Paulista
2021
Institute of Animal Sciences
2021
ORCID
2021
Centro Universitário de Patos de Minas
2019
Núcleo de Pesquisas Aplicadas (Brazil)
1997-2016
San Antonio College
2003-2010
Morpho (United States)
2009
Fundação de Apoio à Universidade Federal de São Paulo
2003
Universidade de Ribeirão Preto
1997
The aim of this study was to perform a morphometric analysis the various parts intestine domestic quail. Twenty‐four female quails ( Coturnix coturnix japonica ) aged 37 weeks were used and accommodated in laying cages for 12 weeks. Each group fed standardized diet containing different quantities calcium: 2.0%, 2.5%, 3.0% 3.5%. birds weighed, killed, samples 1 cm collected from duodenum, jejunum ileum submitted histological routine. sections obtained stained haematoxylin & eosin...
Foram determinadas medidas biométricas de caprinos leiteiros com o objetivo estimar equações que permitam predizer peso e as características da carcaça animais sob diferentes condições nutricionais. Realizou-se um experimento em duas fases, utilizando-se 27 cabritos machos raça Saanen cada uma, distribuídos nos tratamentos: alimentação à vontade, 30 60% restrição. O vivo (PV) inicial foi 5 kg na Fase 1 20 2, abatendo-se os ao atingirem 35 PV, respectivamente. avaliada a condição corporal no...
Twenty adult partridges Rhynchotus rufescens were used to study the morphology of beak and tongue. Lengths tongue evaluated, histologic sections stained routinely with hematoxylin-eosin (HE), periodic acid-Schiff (PAS) Masson’s trichrome stain, later analyzed described. The partridge both sexes are curved, flat, hard a sharp extremity, mean length 4.90cm for females 4,80 males. is characterized by triangular format 1cm sexes, its extremity presented as format. Organization tissue presents...
The objective of this experiment was to determine the normal values bone radiographic density (BRD) by using optical densitometry in images and biochemical represented serum calcium, ash percentage, minerals (calcium, phosphorus, magnesium) from tibia Cobb broilers at 8, 22, 43 d age. A total 14 were used for densitometric analysis, 15 dosages. BRD increased (P < 0.05) with age all regions (proximal epiphysis, diaphysis, distal epiphysis), concluding that growth a determinative factor...
Corneal endothelium constitutes a monolayer of polygonal cells. The integrity and health this layer are essential for the maintenance normal corneal transparency. This study reported by first time in detailed way ultrastructural morphology morphometry adult crossbred pigs using scanning electron microscopy (SEM). A regular pattern cells, with predominantly hexagonal cells clear cell borders, was observed. An oval nucleus that bulges centre cell, cilia (2-4) few peripheral openings...
Twenty adult partridges Rhynchotus rufescens were used for morphologic and histological study. The materials destined to the study collected lengths of glandular stomach muscular measured. For study, fragments (gastric proventriculus, Ventriculus glandularis) ventriculus, muscularis) stained routinely with periodic acid-Schiff (PAS) Masson’s trichrome stain. Glandular is prolonged, a fusiform format toward craniocaudalis left. It presents mean length 3.20cm in females 3.65cm males. Gastric...
Adequate environmental temperature control is essential for incubation efficiency. Layer breeder eggs (n=360) were weighed and distributed in a completely randomized experimental design with two treatments, consisting of temperatures (T1=37.5 °C, control; T2=39.0 hot), incubators per temperature, 90 incubator, totaling 360 eggs. Hatchability, embryo mortality, chick cloacal body surface not affected by temperature. Eggs incubated at the hot presented greater egg mass loss higher eggshell...
Twenty-seven male Saanen kids were used in a completely randomized design to investigate the effect of feed restriction on retail and biological carcass yields, proportion cuts, compactness, leg tissue composition, ribeye area (REA). Animals assigned one following treatments: 0 (free access feed: ad libitum), 30 or 60% restriction. Initial body weight (BW) averaged 5 kg animals slaughtered when they reached 20 BW. Data submitted regression analysis as function Feed reduced weight, cuts chump...
Skeletal abnormalities, bone deformities and fractures cause significant losses in broiler production during both rearing processing. Silicon is an essential mineral for connective tissue synthesis calcium absorption the early stages of formation.Performance was not affected by addition silicon. However, broilers receiving silicon showed a increase phosphorus, zinc, copper, manganese ash tibia.In conclusion, performance impaired adding tested product to drinking water. In addition,...
Locomotion issues in broiler production may decrease performance (carcass yield and traits) lead to high financial losses. This study evaluates the addition of glucosaminoglycans diets minimize lack proper bone development joint weakening. The experiment was conducted using 2,160 broilers randomly distributed a factorial pattern (3 × 3) 3 levels glucosamine sulfate (0, 0.12, 0.24%) chondroitin 0.08, 0.16%). Eight repetitions were used for each treatment, 72 pens with 30 each. There quadratic...
The purpose of this study was to determine if in ovo feeding and rearing with glycosaminoglycans vitamin C could influence bone cartilage macroscopy, mineral composition, density surface area, breaking strength, histology broilers. Fertile eggs from breeders (Cobb) were either uninjected or injected 4 μg additive/100 μL water on day incubation. Every 100 g additive contained 30 chondroitin sulfate, glucosamine, 5 C. After hatching, the chicks both incubation treatments submitted additional...
Summary A morphometric study was conducted on the testis of domestic quail Coturnix coturnix japonica to determine testicular kinetics. We investigated variability along year parameters such as seminiferous tubule diameter, germinal epithelium height and amount meiotic figures maturing spermatids in sperm tubular lumen. The results analysis showed occurrence an annual cycle defined by four distinct phases: a resting phase (at end summer), recrudescence (in fall), proliferative winter...
The research aimed to study the morphologic variation of testis, seeking promote selection and genetic control those that present appreciable spermatic production throughout year. Testis morphology Rynchotus rufescens partridge was investigated, analyzing testis weight, seminiferous tubules diameter, thickness epithelium, amount meiotic figures tunica albuginea. Sixty male partridges were used, divided in 12 groups, one group per month had collected for histological routine sections stained...
Department of Preventive Veterinary Medicine Universidade Estadual Paulista Julio de Mesquita Filho, Jaboticabal, Sao Paulo
The use of non-invasive techniques to estimate body composition in animals vivo conforms the desire improve welfare during research and also has potential advance scientific research. purpose present study was determine a predictive equation dual energy X-ray absorptiometry (DXA) method for broilers by comparing measurement using DXA with that chemical analysis. In total, 720 day-old Cobb500 were distributed into split-plot arrangement 3 (crude protein concentrations diets) × 2 (genders)...
The efferent ductules of the pigeon are localized in epididymal region and topographically divided into proximal distal, both portions being lined with stereociliated pseudostratified epithelium. Transmission electron microscopy shows five distinct cell types: light, dark, angular non-ciliated cells possible apocrine secretory role halo cells, possibly intraepithelial leucocytes. have widest diameter among all region.
The objective of this experiment was to test the effects addition chlorine broiler drinking water during a 12-h preslaughter feed withdrawal period on reduction quantities microorganisms, such as Escherichia coli and enterococci, in crops ceca. Reduction these microorganisms would likely also reduce contamination meat by pathogenic bacteria processing. It investigated if caused some intestinal damage that could disseminate carcass. A total 40 Cobb male broilers were used. Samples crop cecal...
Abstract Objective To present an updated and evidence-based guideline for the use of dual-energy x-ray absorptiometry (DXA) to assess body composition in clinical practice. Materials methods This Official Position was developed by Scientific Committee Brazilian Association Bone Assessment Metabolism ( Associação Brasileira de Avaliação Óssea e Osteometabolismo , ABRASSO) experts field who were invited contribute preparation this document. The authors searched current databases relevant...
A histological study was conducted on the testes of adult domestic quails ( Coturnix coturnix japonica ) over a year. The results revealed clear variation testicular weight, seminiferous tubule diameter, and thickness composition germinal epithelium highest weights were detected at end autumn during winter (short‐day period), reaching maximum, together with spermatogenic activity, in September (long‐day period southern hemisphere). In contrast, both weight activity markedly decreased spring...
Este trabalho teve como objetivo realizar uma revisão de literatura sobre as estruturas que compõem o sistema ocular dos animais domésticos. O bulbo é um órgão especializado cuja função primária consiste em captar e focalizar a luz retina fotossensível. É formado por três túnicas dispostas concentricamente: camada externa ou túnica fibrosa, esclera córnea; média vascular,...
Different levels of glycosaminoglycans (chondroitin sulfate and glucosamine sulfate) vitamin C were injected in ovo to determine whether additive use influences the incubation parameters bone characteristics posthatch chicks. Hatchability was not affected by addition ovo. However, chicks that received 4 μg showed 2.86% reduction total mortality when compared with from non-injected eggs. Moreover, tibia area femur mineral density increased eggs 2.16 6.00 additive, respectively. In feeding can...
Light microscopy analysis of the mural structure common carotid artery, internal artery and external in mongrel dog revealed variability middle values vascular diameter thickness intimal plus medial coats adventitial coat.The did not differ between but was significantly increased from which other two arteries had origin.The constant mechanical adjustment arterial wall local shearing stress that occurred among coats.The coat thicker than those arteries, with no significant difference noted...
O objetivo deste estudo foi avaliar a capacidade cicatrizante da calêndula (Calendula officinalis L.) sobre feridas cutâneas experimentais, em 15 coelhos, distribuídos três grupos denominados: excipiente, e controle. Cada animal submetido à uma incisão cirúrgica de 6cm comprimento, lateral coluna vertebral suturada no padrão U. Os produtos avaliados foram colocados as incisões durante sete dias na quantidade 0,1ml (loção cremosa não-iônica - grupo excipiente; tintura 5% calêndula) nos...