Search Results - "Pereira, Danilo Florentino"

Unrest index for estimating thermal comfort of poultry birds (Gallus gallus domesticus) using computer vision techniques by Del Valle, José Eduardo, Pereira, Danilo Florentino, Mollo Neto, Mario, Gabriel Filho, Luís Roberto Almeida, Salgado, Douglas D'Alessandro

“…Behaviour can be used to infer animal welfare states. Poultry birds tend to move less under conditions of thermal stress; hence the hypothesis of this research…”
Get full text

Optimizing Deep Learning Algorithms for Effective Chicken Tracking through Image Processing by Mehdizadeh, Saman Abdanan, Siriani, Allan Lincoln Rodrigues, Pereira, Danilo Florentino

“…Identifying bird numbers in hostile environments, such as poultry facilities, presents significant challenges. The complexity of these environments demands…”
Get full text

Using Thermal Signature to Evaluate Heat Stress Levels in Laying Hens with a Machine-Learning-Based Classifier by Solis, Isaac Lembi, de Oliveira-Boreli, Fernanda Paes, de Sousa, Rafael Vieira, Martello, Luciane Silva, Pereira, Danilo Florentino

“…Infrared thermography has been investigated in recent studies to monitor body surface temperature and correlate it with animal welfare and performance factors…”
Get full text

Classifying Chewing and Rumination in Dairy Cows Using Sound Signals and Machine Learning by Abdanan Mehdizadeh, Saman, Sari, Mohsen, Orak, Hadi, Pereira, Danilo Florentino, Nääs, Irenilza de Alencar

“…This research paper introduces a novel methodology for classifying jaw movements in dairy cattle into four distinct categories: bites, exclusive chews,…”
Get full text

Assessment of Preference Behavior of Layer Hens under Different Light Colors and Temperature Environments in Long-Time Footage Using a Computer Vision System by Kodaira, Vanessa, Siriani, Allan Lincoln Rodrigues, Medeiros, Henry Ponti, De Moura, Daniella Jorge, Pereira, Danilo Florentino

“…As for all birds, the behavior of chickens is largely determined by environmental conditions. In many production systems, light intensity is low and red…”
Get full text

Chicken Tracking and Individual Bird Activity Monitoring Using the BoT-SORT Algorithm by Siriani, Allan Lincoln Rodrigues, Miranda, Isabelly Beatriz de Carvalho, Mehdizadeh, Saman Abdanan, Pereira, Danilo Florentino

“…The analysis of chicken movement on the farm has several applications in evaluating the well-being and health of birds. Low locomotion may be associated with…”
Get full text

Sequential Behavior of Broiler Chickens in Enriched Environments under Varying Thermal Conditions Using the Generalized Sequential Pattern Algorithm: A Proof of Concept by Massari, Juliana Maria, Moura, Daniella Jorge de, Nääs, Irenilza de Alencar, Pereira, Danilo Florentino, Oliveira, Stanley Robson de Medeiros, Branco, Tatiane, Barros, Juliana de Souza Granja

“…Behavior analysis is a widely used non-invasive tool in the practical production routine, as the animal acts as a biosensor capable of reflecting its degree of…”
Get full text

Computer-Vision-Based Indexes for Analyzing Broiler Response to Rearing Environment: A Proof of Concept by Massari, Juliana Maria, de Moura, Daniella Jorge, de Alencar Nääs, Irenilza, Pereira, Danilo Florentino, Branco, Tatiane

“…Computer-vision systems for herd detection and monitoring are increasingly present in precision livestock. This technology provides insights into how…”
Get full text

Movement Analysis to Associate Broiler Walking Ability with Gait Scoring by Pereira, Danilo Florentino, Nääs, Irenilza de Alencar, Lima, Nilsa Duarte da Silva

“…The genetic development of the commercial broiler has led to body misconfiguration and consequent walking disabilities, mainly at the slaughter age. The…”
Get full text

Analysis of Cluster and Unrest Behaviors of Laying Hens Housed under Different Thermal Conditions and Light Wave Length by Fernandes, Aline Mirella, de Lucca Sartori, Diogo, de Oliveira Morais, Flávio José, Salgado, Douglas D’Alessandro, Pereira, Danilo Florentino

“…Laying hens are affected by the intensity, wavelength, and duration of light, and the behavioral patterns of these animals are important indicators of stress…”
Get full text

Energy Assessment from Broiler Chicks' Vocalization Might Help Improve Welfare and Production by Pereira, Erica, Nääs, Irenilza de Alencar, Ivale, André Henrique, Garcia, Rodrigo Garófallo, Lima, Nilsa Duarte da Silva, Pereira, Danilo Florentino

“…Vocalization seems to be a viable source of signal for assessing broiler welfare. However, it may require an understanding of the birds' signals, both…”
Get full text

Non-destructive assessment of hens' eggs quality using image analysis and machine learning by de Oliveira-Boreli, Fernanda Paes, Pereira, Danilo Florentino, Gonçalves, Juliana Alencar, da Silva, Vinícius Zanetti, Nääs, Irenilza de Alencar

“…Eggs are an essential source of inexpensive protein. Due to their oval shape, eggs can be efficiently handled, transported, and packed. The geometric…”
Get full text

A Mobile Application to Follow Up the Management of Broiler Flocks by Martinez, Angel Antonio Gonzalez, Nääs, Irenilza de Alencar, Abe, Jair Minoro, Pereira, Danilo Florentino

“…Broiler meat is one of the most consumed meats worldwide. The broiler production system poses several challenges for the producer, including maintaining…”
Get full text

Does Environmental Enrichment with Music and Strobe Light Affect Broilers’ Welfare? Analyzing Their On-Farm Reaction by Jacob, Flavia Gerbi, Nääs, Irenilza de Alencar, Salgado, Douglas D’Alessandro, Baracho, Marta dos Santos, Lima, Nilsa Duarte da Silva, Pereira, Danilo Florentino

“…The present study observed whether environmental enrichment (music and strobe light) influenced farm-housed broiler chickens’ behavior. The trial was carried…”
Get full text

Hybrid Metaheuristic Algorithm for Optimizing Monogastric Growth Curve (Pigs and Broilers) by Benvenga, Marco Antonio Campos, Nääs, Irenilza de Alencar, Lima, Nilsa Duarte da Silva, Pereira, Danilo Florentino

“…Brazil is one of the world’s biggest monogastric producers and exporters (of pig and broiler meat). Farmers need to improve their production planning through…”
Get full text

Mortality prediction of laying hens due to heat waves by Riquena, Rodrigo da Silva, Pereira, Danilo Florentino, Vale, Marcos Martinez do, Salgado, Douglas D’Alessandro

“…Mortality in the production of laying hens is a concern for producers and constitutes a considerable economic loss. Some climatic events, such as heat waves,…”
Get full text

Comportamento de poedeiras criadas a diferentes densidades e tamanhos de grupo em ambiente enriquecido by Pereira, Danilo Florentino, Batista, Edna dos Santos, Sanches, Filipe Teixeira, Gabriel Filho, Luís Roberto Almeida, Bueno, Leda Gobbo de Freitas

“…O objetivo deste trabalho foi determinar diferenças comportamentais entre poedeiras criadas sob diferentes densidades e tamanhos de grupo, em condições de…”
Get full text

A measure of reliability for scientific co-authorship networks using fuzzy logic by de Oliveira, Sandra Cristina, Cobre, Juliana, Pereira, Danilo Florentino

“…Studies on the reliability of scientific co-authorship networks identify whether they are reliable, according to their researchers’ participation and how…”
Get full text

Detection and tracking of chickens in low-light images using YOLO network and Kalman filter by Siriani, Allan Lincoln Rodrigues, Kodaira, Vanessa, Mehdizadeh, Saman Abdanan, de Alencar Nääs, Irenilza, de Moura, Daniella Jorge, Pereira, Danilo Florentino

“…Continuous monitoring of chickens’ movement on-farm is a challenge. The present study aimed to associate the modified YOLO v4 model with a bird tracking…”
Get full text

Cluster index for estimating thermal poultry stress (gallus gallus domesticus) by Pereira, Danilo Florentino, Lopes, Francisco Augusto Alves, Filho, Luis Roberto Almeida Gabriel, Salgado, Douglas D'Alessandro, Neto, Mario Mollo

“…•The agglomeration behavior of poultry is associated with ambient temperature.•Poultry thermal comfort can be estimated according to the agglomeration…”
Get full text