André Thaler Neto
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View article: Influence of Sub-Inhibitory Concentrations of Sanitizers and Oxacillin on the Resistance of Methicillin-Resistant Staphylococcus spp.
Influence of Sub-Inhibitory Concentrations of Sanitizers and Oxacillin on the Resistance of Methicillin-Resistant Staphylococcus spp. Open
Methicillin-resistant Staphylococcus spp. are microorganisms found in dairy products, bovine mastitis, and human infections. The prevalence of resistant strains from this genus in the food chain is increasing, drawing attention to transmis…
View article: Cows with High SCC Exhibit Poorer Performance and Milk Quality, Regardless of the Season
Cows with High SCC Exhibit Poorer Performance and Milk Quality, Regardless of the Season Open
This study aimed to examine the relationship between a high somatic cell count (SCC) in cows and milk quality during the hot season in different breeds. Milk samples from 500 cows in the hot season and 431 in the cold season of 2022 were c…
View article: Relationship Between Hyperkeratosis, Teat Conformation Traits, Microbiological Isolation, and Somatic Cell Count in Milk from Dairy Cows
Relationship Between Hyperkeratosis, Teat Conformation Traits, Microbiological Isolation, and Somatic Cell Count in Milk from Dairy Cows Open
Maintaining teat-end integrity in dairy cows is essential to preventing intramammary infections (IMIs) in dairy cows, yet the relationship between hyperkeratosis, teat conformation, and mammary health remais underexplored. This study evalu…
View article: Effect of double disinfectant application during premilking teat disinfection on teat cleanliness, bacterial count, and mastitis in pasture-grazed dairy cows
Effect of double disinfectant application during premilking teat disinfection on teat cleanliness, bacterial count, and mastitis in pasture-grazed dairy cows Open
The use of double disinfectant application during premilking teat disinfection on heavily soiled teats has proven effective in reducing the teat cleanliness score and certain bacterial groups in freestall confined cows. We aimed to compare…
View article: Heat stress on the feed consumption, biochemical indicators, production and milk quality of holstein and jersey cows
Heat stress on the feed consumption, biochemical indicators, production and milk quality of holstein and jersey cows Open
This research compared dry matter intake, milk yield, milk composition, and physiological and biochemical parameters between holstein and jersey cows under heat stress. Holstein (n=8) and Jersey (n=8) cows were allocated into two treatment…
View article: Exploring probiotic potential and antimicrobial properties of lactic acid bacteria from cow's milk
Exploring probiotic potential and antimicrobial properties of lactic acid bacteria from cow's milk Open
One of the most important foods in the world is milk, due to its nutrients and composition. Milk also contains lactic acid bacteria (LABs), which can produce antimicrobial compounds and organic acids; an essential factor in developing diff…
View article: Energy and protein levels in dairy cow diets to recover milk ethanol stability
Energy and protein levels in dairy cow diets to recover milk ethanol stability Open
The objective of this study was to evaluate the effect of energy and protein in the diet on the recovery of milk ethanol stability (MES) induced by feed restriction. Twelve Holstein and Holstein × Jersey crossbred cows with an average of 1…
View article: Effect of β-casein A1 or A2 milk on body composition, milk intake, and growth in Holstein, Simmental, and crossbred dairy calves of both sexes
Effect of β-casein A1 or A2 milk on body composition, milk intake, and growth in Holstein, Simmental, and crossbred dairy calves of both sexes Open
The aim of this study was to compare the effects of feeding homozygous β-CN A1 or A2 milk on the body composition, milk intake, and growth of German Holstein (GH), German Simmental (GS), and crossbred (CR) dairy calves of both sexes during…
View article: Identification of enteropathogenic Escherichia coli as the cause of mastitis in cows from Brazil
Identification of enteropathogenic Escherichia coli as the cause of mastitis in cows from Brazil Open
Escherichia coli is recognized as one of the main microorganisms responsible for triggering clinical mastitis, a disease that causes considerable economic losses in the dairy industry. In this context, this study aimed to identify E. coli …
View article: Effect of heat stress and solar radiation on dry matter intake, biochemical indicators, production, and quality of Holstein and Jersey cows' milk
Effect of heat stress and solar radiation on dry matter intake, biochemical indicators, production, and quality of Holstein and Jersey cows' milk Open
The objective of this work was to compare the dry matter intake, milk yield and quality, physiological and biochemical parameters in Holstein (n=10) and Jersey (n=10) cows under heat stress and insolation, in two treatments: CL - cooling b…
View article: Feed Efficiency and Physiological Parameters of Holstein and Crossbred Holstein × Simmental Cows
Feed Efficiency and Physiological Parameters of Holstein and Crossbred Holstein × Simmental Cows Open
This study aimed to compare the feed efficiency (FE) and physiological parameters of Holstein and crossbred Holstein × Simmental cows in a confinement system during winter and summer. The study was conducted in a dairy farm in southern Bra…
View article: Short communication: psychrotrophic microorganism count in raw milk samples preserved with azidiol®
Short communication: psychrotrophic microorganism count in raw milk samples preserved with azidiol® Open
The study aimed to evaluate the use of the azidiol® preservative for psychrotrophic microorganism count (PMC) in cooled raw milk. Two studies were carried out, one under controlled conditions (experiment 1) and the other under field condit…
View article: Quality of refrigerated raw milk according to the bulk transport conditions
Quality of refrigerated raw milk according to the bulk transport conditions Open
Technical regulations that determine milk quality standards in Brazil establish the minimum criteria that the processing industry's raw material must present. These rules can challenge the logistics sector (transport) to maintain adequate …
View article: Effect of heat stress and solar radiation on dry matter intake, biochemical indicators, production, and quality of Holstein and Jersey cows' milk
Effect of heat stress and solar radiation on dry matter intake, biochemical indicators, production, and quality of Holstein and Jersey cows' milk Open
The objective of this work was to compare the dry matter intake, milk yield and quality, physiological and biochemical parameters in Holstein (n=10) and Jersey (n=10) cows under heat stress and insolation, in two treatments: CL - cooling b…
View article: Short communication: psychrotrophic microorganism count in raw milk samples preserved with azidiol®
Short communication: psychrotrophic microorganism count in raw milk samples preserved with azidiol® Open
The study aimed to evaluate the use of the azidiol® preservative for psychrotrophic microorganism count (PMC) in cooled raw milk. Two studies were carried out, one under controlled conditions (experiment 1) and the other under field condit…
View article: Quality of refrigerated raw milk according to the bulk transport conditions
Quality of refrigerated raw milk according to the bulk transport conditions Open
Technical regulations that determine milk quality standards in Brazil establish the minimum criteria that the processing industry's raw material must present. These rules can challenge the logistics sector (transport) to maintain adequate …
View article: Avaliação de microrganismos psicotrópicos ao longo das etapas de produção, coleta e transporte do leite cru resfriado
Avaliação de microrganismos psicotrópicos ao longo das etapas de produção, coleta e transporte do leite cru resfriado Open
O objetivo deste estudo foi avaliar a contagem dos microrganismos psicrotróficos (MP), composição do leite e contagem padrão em placa (CPP) e contagem de células somáticas (CCS) nos elos de produção, iniciando pela propriedade rural até a …
View article: Fermentation of Soybean Meal with Lactobacillus acidophilus Allows Greater Inclusion of Vegetable Protein in the Diet and Can Reduce Vibrionacea in the Intestine of the South American Catfish (Rhamdia quelen)
Fermentation of Soybean Meal with Lactobacillus acidophilus Allows Greater Inclusion of Vegetable Protein in the Diet and Can Reduce Vibrionacea in the Intestine of the South American Catfish (Rhamdia quelen) Open
The objective of this study was to evaluate the effect of diets containing different inclusion levels (0%, 7%, 14%, 21% and 28%) of soybean meal fermented by Lactobacillus acidophilus (SMFL) on the zootechnical performance and intestinal h…
View article: Genetic associations between reproductive and linear-type traits of Holstein cows in Brazil
Genetic associations between reproductive and linear-type traits of Holstein cows in Brazil Open
This study aimed to estimate heritability, genetic, and residual correlations between reproductive traits such as age at first calving, calving interval, dry period, and first service period and linear type traits measured in Holstein cows…
View article: INFLUÊNCIA DA ADUBAÇÃO NO TEOR DE NITRATO NAS PASTAGENS E NO LEITE AO LONGO DO ANO NO OESTE DE SANTA CATARINA
INFLUÊNCIA DA ADUBAÇÃO NO TEOR DE NITRATO NAS PASTAGENS E NO LEITE AO LONGO DO ANO NO OESTE DE SANTA CATARINA Open
The indiscriminate use without criteria of nitrogen fertilization can lead to an accumulation of nitrate in pastures, animal poisoning and potential increase in residual content of this compound in milk. The objective of this study was to …
View article: Energy Balance Indicators during the Transition Period and Early Lactation of Purebred Holstein and Simmental Cows and Their Crosses
Energy Balance Indicators during the Transition Period and Early Lactation of Purebred Holstein and Simmental Cows and Their Crosses Open
Crossbreeding in dairy cattle has been used to improve functional traits, milk composition, and efficiency of Holstein herds. The objective of the study was to compare indicators of the metabolic energy balance, nonesterified fatty acids (…
View article: Cow's functional traits and physiological status and their relation with milk yield and milk quality in a compost bedded pack barn system
Cow's functional traits and physiological status and their relation with milk yield and milk quality in a compost bedded pack barn system Open
We aimed to determine the relationship of milk yield, milk composition, and somatic cell score (SCS) with functional traits (lameness score, udder cleanliness score, udder depth, and teat end hyperkeratosis score) and physiological status …
View article: Risk factors related to seropositivity for Leptospira spp. in horses in the Serra Catarinense region
Risk factors related to seropositivity for Leptospira spp. in horses in the Serra Catarinense region Open
Leptospirosis is a zoonotic infectious disease caused by the bacterium Leptospira spp. The consequences of infection in horses are unclear, and the serogroups involved vary depending on the region. This study aimed to evaluate the seroposi…
View article: Dry matter intake, body condition score, beta-hydroxy-butyrate, milk yield, and composition of Holstein and crossbred Holstein x Simmental cows during the transition period
Dry matter intake, body condition score, beta-hydroxy-butyrate, milk yield, and composition of Holstein and crossbred Holstein x Simmental cows during the transition period Open
We compared the dry matter intake (DMI), body condition score (BCS), body weight (BW), beta-hydroxy-butyrate (BHB), milk yield, and milk composition during the transition period of Holstein and crossbred Holstein x Simmental cows. Thirty c…
View article: Metabolic Adaptations to Dynamic Energy Requirements during Lactation and Pregnancy in Dairy Cows with Varying Proportions of Holstein and Simmental Breed
Metabolic Adaptations to Dynamic Energy Requirements during Lactation and Pregnancy in Dairy Cows with Varying Proportions of Holstein and Simmental Breed Open
Depending on the breed or crossbreed line, cows have to cope with a more or less severe negative energy balance during the period of high milk yields in early lactation, which can be detected by beta-hydroxybutyrate (BHBA) and non-esterifi…
View article: Evaluation of minimum ripening time of artisanal mountain cheese from Santa Catarina prior to selling
Evaluation of minimum ripening time of artisanal mountain cheese from Santa Catarina prior to selling Open
O queijo artesanal serrano (QAS) é produzido a partir de leite cru, tornando-se um meio propício para a multiplicação de micro-organismos patogênicos. O processo de maturação envolve fatores físicos, químicos e microbiológicos que desfavor…
View article: Cattle rabies: the effect of clinical evolution, viral genetic lineage, and viral load on the severity of histological lesions
Cattle rabies: the effect of clinical evolution, viral genetic lineage, and viral load on the severity of histological lesions Open
Our objective was the characterization and staging of histological lesions in different anatomical sites of the central nervous system (CNS) of rabid cattle. The severity of the lesions was compared with the clinical stages of the disease,…
View article: Fatores de risco relacionados a soropositividade para Leptospira spp. em equinos na região da Serra Catarinense
Fatores de risco relacionados a soropositividade para Leptospira spp. em equinos na região da Serra Catarinense Open
View article: [Comportamento de vacas da raça Holandesa em ordenha robótica (Behaviour of holstein cows in robotic milking)]
[Comportamento de vacas da raça Holandesa em ordenha robótica (Behaviour of holstein cows in robotic milking)] Open
The aim of this study was to assess the ingestive behavior of concentrate and milking of dairy cows in automatic milking system (AMS) according to parity. The experiment was conducted from March to June 2014, in Castro, PR, with Holstein c…
View article: Comportamento de vacas da raça Holandesa em ordenha robotizada (Behaviour of Holstein cows in robotic milking)
Comportamento de vacas da raça Holandesa em ordenha robotizada (Behaviour of Holstein cows in robotic milking) Open
RESUMO O objetivo do trabalho foi avaliar o comportamento ingestivo de concentrado e de ordenha de vacas em lactação em sistema de ordenha robotizada (SOR) conforme a paridade. O experimento foi realizado de março a junho de 2014, em Castr…