Joaquim Orlando Lima Cerqueira

Instituto Politécnico de Viana do Castelo | IPVC · Grupo Disciplinar de Ciências Agronómicas e Veterinárias

Many local poultry breeds are on the brink of disappearing. "Branca" is one of the four Portuguese autochthonous chicken breeds, recognized by the DGAV since 2010. This study aimed contribute to the characterization of the carcass yields of the breed, using two different feeding patterns (FP). Two different flocks were used in the trial (maize-FP1...

This study explored the demand for improved farm animal welfare (FAW) legislation in the BRIC countries and the USA. Results are discussed in comparison to Europe. Interviewees ranked their willingness to support or oppose introduction of more FAW-friendly laws in their country. A multinomial logistic regression was fit to the data (p < 0.001), wit...

Entire male (EM) pig rearing can be advantageous over castration. Higher feed efficiency, and leaner carcasses with higher protein and unsaturated fat contents, can be achieved. To add, higher welfare standards are also fulfilled. However, EM pork may be tainted, compromising therefore its quality. The aim of this study was to investigate and compa...

Having in mind a global sustainable agro-trade policy harmonization, this study explored the demand for improved farm animal welfare legislation in the BRIC (Brazil, Russia, India and China) countries and the USA. Results were discussed in comparison to European standards. Data were collected in the BRIC countries and the USA through questionnaires...

En ese trabajo analizamos la evolución estimada de la producción de leche de la UE hasta 2031, considerando la importancia cada vez mayor de la sostenibilidad y del cumplimiento de las normas medioambientales.

The authors (Silva, S.R., et al.) unintentionally omitted to cite the article by O’Leary et al. [...]

Este trabalho teve por objetivo avaliar o comportamento dos animais em dois períodos do dia e simultaneamente identificar a frequência das principais atividades em sistema confinado. Foram observadas 20 aves (12♂ e 8♀), num espaço com 9m2, com piso em aparas de madeira, comedouros, bebedouros, e poleiros, através de uma porta em rede. Estas observa...

When compared to castrated animals, entire male pigs raising present advantages as higher feed efficiency, reduced feeding costs, reduced environmental impact, leaner carcasses with higher protein content and unsaturated fat and absence of the welfare issue of surgical castration. The objective of the study was to evaluate growth performance of ent...

Ferreiro, J.M., Araújo, J.P., Cerqueira, J.L., Kowalczyk, A., Cantalapiedra, J. & Iglesias, A., (2021, October, 29-30). Analysis of the scrotal circunference of young Galician blonde bulls using non-linear models of growth curves.

Araújo, J.P., Sobreiro. S., Cerqueira, J.L., Pereira Pinto, R., Kowalczyk, A. & Vaz-Velho, M. (2021, October, 29-30). Growth performance of Bisaro breed and commercial hybrid entire males on outdoor housing system. XXII Congresso de Zootecnia, Vila Real, Portugal

Objective of the study was to evaluate growth performance of entire males of two genotypes.

The rural territories linked to European sheep systems still cover wide areas and provide multiple ecosystems services although the current situation of the associated biodiversity is not fully understood. In this study the foliage arthropods (including pollinators), the vegetation cover and height, the number of flowers and plant species richness...

Specific animal-based indicators that can be used to predict animal welfare have been the core of protocols for assessing the welfare of farm animals, such as those produced by the Welfare Quality project. At the same time, the contribution of technological tools for the accurate and real-time assessment of farm animal welfare is also evident. The...

INTRODUCCIÓN El análisis de la composición química y propiedades físicas de los ensilados es importante y necesaria para la correcta formulación del pienso y también para la determinación y resolución de problemas en la calidad del ensilado. El valor nutricional de los ensilados se refiere a la composición de nutrientes y digestibilidad del ensilad...

Araújo, J.P.P, Costa, H.R. & Cerqueira, J.O.L., (2021, May, 26-29). Avaliação de desempenho produtivo em cabritos da raça Bravia nos ecótipos do Alvão e do Gerês. I Congresso Nacional de Caprinicultura. Comunicação oral

Produtividade e composição do leite de vaca em explorações do Norte de Portugal.

La Barrosã es uno de los iconos de las razas vacunas autóctonas portuguesas, con certificación “Carne Barrosã - DOP”. Presenta un censo de 8000 hembras adultas, 7500 en línea pura y 300 machos, distribuidos aproximadamente por 900 ganaderías. El análisis demográfico permite describir la estructura y dinámica de una población, considerándola un g...

La Barrosã es uno de los iconos de las razas vacunas autóctonas portuguesas, con certificación “Carne Barrosã - DOP”. Presenta un censo de 8000 hembras adultas, 7500 en línea pura y 300 machos, distribuidos aproximadamente por 900 ganaderías. El análisis demográfico permite describir la estructura y dinámica de una población, considerándola un g...

The conformation or type of a cow has proven to influence cow productivity and longevity. Morphological classification is an essential tool used to improve the conformation of cows, through the score of each animal. The present study aimed to perform the morphological classification in Holstein Friesian cows. Morphological classification of 1,823 d...

Este estudio tiene como objetivo evaluar la incidencia de cojera en las explotaciones lecheras en el norte de Portugal. Este estudio se llevó a cabo en 10 granjas en la región lechera del norte de Portugal, entre enero y mayo de 2018, a través de tres visitas a cada granja con un intervalo de dos meses entre cada visita. Se evaluaron 1410 animales,...

La utilización de razas locales en sistemas de producción alternativos presenta una serie de ventajas, como la gestión medioambiental, la biodiversidad y la producción agrícola sostenible orientada hacia un mercado de productos de calidad diferenciada, especialmente en áreas desfavorecidas. En este trabajo se estudió la influencia de dos sistemas d...

In Portugal, the traditional livestock system of the swine breed Bísara valorises a diversity of traditional foods to generate a multiplicity of products under Certified Quality System (DPO, PGI or STG). The overall objective of this work was to evaluate the effect of traditional and innovative feed resources on carcass traits of the Bísara breed....

Dois ensaios produtivos em 9 explorações associadas à confraria Gastronómica o Galo de Barcelos com mínimo de duas pesagens em cada exploração

INTRODUÇÃO Os sistemas de produção intensivos de bovinos leiteiros caraterizam-se por possuir instalações complexas destinadas ao alojamento de um grande número de animais em espaços confinados. Os cubículos são áreas de descanso individual que se destinam ao alojamento de vacas e a sua utilização pelos animais é influenciada por vários fatores, in...

Exploramos qué aspectos del comportamiento de las vacas lecheras proporcionan información sobre el grado de confort que les es ofrecido, el tipo de conductas anómalas más frecuentes y sus causas, y presentamos algunas recomendaciones para que los ganaderos puedan encontrar las mejores prácticas para aplicar en sus instalaciones.

Em 12 explorações de vacas leiteiras da região de Aveiro, mais precisamente nos concelhos de Ovar, Estarreja e Murtosa, com efetivos em ordenha entre 43 e 548 animais recolheram-se dados relativos aos equipamentos (cubículos e guilhotinas), através de visitas de campo às explorações e também elementos de contraste leiteiro do período de janeiro a j...

The teat-end hyperkeratosis is a pathology which causes pain and discomfort in dairy cows, increasing the risk of infection of the mammary gland. A total of 2,957 dairy cows from 43 farms in Portugal were examined to evaluate the teat-end, degree of hyperkeratosis and callosity on 11,828 teats. Factors related to milking management, characteristics...

Cerqueira, J.O.L.,Araújo, J.P., Mercedes, C.,Blanco-Penedo, I. (2018). Indicadores de avaliação de bem-estar baseados nos animais para vacas leiteiras. Monografías do IBADER - Serie Pecuaria . IBADER. Universidade de Santiago de Compostela. Lugo. Resumo: Ao definir qualquer sistema de pontuação de bem-estar baseado no animal, deve considerar-se qu...

El objetivo de este estudio fue evaluar el crecimiento de cerdos alojados en un sistema hoop barn, en comparación con el confinamiento tradicional. Veinte cerdos de raza Bísaro, con 98,6±5,71 días de edad y 25,4±4,87 kg de peso vivo, se distribuyeron aleatoriamente en dos grupos: GR1 - hoop barn (2,4 m2/cerdo) con acceso al exterior (200 m2/cerdo);...

The production of rabbit`s meat using the flat deck cage systems, should consider a minimum space per animal. The stocking density should be assessed considering the effect on the animal welfare and productive capacities. The objective of this work was to study the growth of rabbits through fattening submitted to different densities. In a commercia...

El objetivo de este trabajo es analizar cómo afecta esta normativa a la formación en experimentación animal, incluyendo su incidencia en la docencia en a las Facultades de Veterinaria españolas. Para ello se compara la normativa de experimentación animal durante los últimos 20 años analizando las diferencias con respecto a los requisitos de formaci...

Este trabajo tiene como objetivo evaluar algunas características de las canales y de los cortes comerciales de la “Carne Barrosã-DOP”, para que sea posible tener una idea real del rendimiento de las canales y de las diferentes piezas cárnicas comerciales de la raza.

Para la evaluación del Bienestar Animal (BA) mediante protocolos de observación para la especie porcina se deberían tener presentes en primer lugar los requisitos del RD 1135/2002, de 31 de octubre, relativos a las normas mínimas de protección de la especie porcina. Las Directivas de la Unión Europea (UE) y el RD 1135/2002 profundizan en la mejora...

We studied the relationship between behaviour during milking with milking parlor management, measuring the occurrence of steps and kicks, and cow-relatedfactors. We also investigated the link between stepping and kicking during milking and udder health. A total of 2,903 direct observations of milking behavior were collected in 44 dairy herds in the...

Precision Livestock Farming (PLF) can be seen as the application of state-of-the-art methodologies and technologies in favor of optimizing animal production processes. Adopting PLF includes automatic, continuous and nearly real-time monitoring of animal production, welfare and health condition, which results in valuable information that can be used...

Dairy cows have become very sensitive animals to environmental changes, requiring increasingly sophisticated accommodations to prevent the stress that would lead to major production and economic losses. The aim of this study was to assess environmental and physiological indicators of stress in cows and their influence on milk production. The temper...

A raça Churra do Minho evidenciou sazonalidade nos partos, ocorrendo maioritariamente entre novembro e fevereiro (80,8%). O peso médio dos borregos ao nascimento foi de 1,97±0,35 kg, sem efeito do sexo. A maioria das fêmeas reprodutoras tiveram parto simples (76,5%), tendo os borregos de parto duplo revelado pesos ao nascimento superiores (2,07±0,...

The age of weaning for calves of Holstein Friesian was 88.9±2.2 days, ranging from 85 days (Farm B) up to 97 days old (Farm D). From the analysis of the different indicators of the automatic feeder, it was found a negative correlation between the age and the thoracic perimeter (0.75) of the calves. Weak correlations were found between frecuency of...

The Average Daily Gain (ADG) until weaning is a complex feature that reflects the growth potential of the calf and the quality of their feeding. For farms in studied ADG observed is 0.786±0.113 kg. We found significant differences (P<0.001) for the ADG between all the farms studied, having revealed that farm C has a superior ADG (961 g/day) compare...

In this study 497 pig carcasses from four pig farms (males and females) were employed with 180.3±9.64 days at slaughter and 82.6±7.84 kg carcass weight, in order to evaluate the relationship between fasting time (JE), transportation (Tr), lairage (TA), total fasting time and pH of the meat (pH45 e pH24). The results for the times were: JE-15,9±1,76...

Contribution to the study of the Jersey cattle breed dairy production and herd in Portugal ABSTRACT: Jersey is one of the most important dairy breeds. Although there is no herd-book, Portugal has a significant number of animals spread throughout the Portugal mainland and Azores. There were 7388 Jersey animals in the national cattle data base, 4399...

The average value of the calves thoracic perimeter was 83.6±3.1 cm and 102.5±4.2 cm at the beginning and end of breast-feeding period respectively, which corresponded to initial live weight of 51.1±3.9 kg and 96.9±10.9 kg at weaning. Farm studies showed mean values of Average Daily Gain (ADG) of 0.786±0.113 kg. It was noticed that calves had a pref...

Meat quality is a subject raising much attention because of producer and consumer interest in the healthiness of meat, hedonistic quality, and economical factors. From many influences affecting rabbit carcass and meat quality, in this work it was studied the influence of the environment temperature in the carcass characteristics and meat compositio...

In a commercial farm 224 rabbits were used over 28 cages with a floor area of 3600 cm2, subject to two densities: 7 and 9 rabbits/cage. They were weighed at weaning (37 days old), 64d and 71d. The diet was administered ad libitum for all study group, first with a fattening feeding and after with finishing diet, quantifying the respective consumptio...

In the most farmers (55,2%) grass silage originated in consociations of grasses and legumes (ryegrass, oats, triticale, clover and vetch). It’s very important to mention the using of ryegrass (31%). While the mixture of ryegrass and oats represented 13,8% of the forage composition of grass silages. Most farmers (67%) used seeding densities on the o...

Have been observed 2139 teats, 1068 front teats and 1071 rear teats, and it was evaluated the level of hyperkeratosis and type of callosity. About 12% of the observed teats did not present any kind of hyperkeratosis, 27.5% had mild hyperkeratosis with smooth callosity ring. Moreover, 36.1% of the teats analyzed showed degree of rough callosity ring...

The average values of dry matter were 39,4%, crude protein 10,6%, ash 10,7% and NDF 56,4% for the years 2011 to 2014. According to the reference values, the NDF showed more than half of the samples which fits within the indicated range, and in 2013 achieved the highest percentage of samples within the reference values (85,4%). The dry matter was th...

The average number of visits to the automatic feeder on farms in the study was 20,8±12,0, having found significant differences (P<0,001) between the farm B to D and E. The number of failures of the 5 farms resulted in 2,4±4,6, with differences (P<0,001) between the farm A (5,7±7,8) for the remaining farms. The suction speed was 0,4±0,1 kg/minute, a...

This work focuses on the effect of slaughter age (6 and 9 months) and sex on carcass characteristics and meat quality of the Minhota cattle breed. In this study, data from 52 cattle (34 entire males and 18 females) were used for the carcass and meat characterisation. Regarding carcass characteristics, entire male carcasses (158 kg and 223 kg for an...

INTRODUCCIÓN Los embutidos fermentados portugueses gozan de mucha apreciación entre los consumidores debido a sus características organolépticas. El chouriço es un embutido fermentado seco, muy consumido en Portugal, hecho con carne de cerdo y sometido a procesos de maceración, maduración, ahumado y secado a temperaturas bajas (8-15ºC). Como ingred...

Resumen: La raza Bordaleira de Entre Douro e Minho (BEDM), localizada principalmente en el Norte de Portugal, presenta como principal aptitud la producción de carne. El objetivo del presente estudio consistió en la caracterización productiva y reproductiva de la raza. La Asociación de Criadores ha proporcionado datos de las reproductoras, fechas de...

É difícil entender o concepto de protección e benestar animal sen coñecer previamente o comportamento normal dos animais. A demanda dun manexo dos animais que respecte as súas necesidades naturais tanto etolóxicas coma fisiolóxicas, contemplado dentro das 5 necesidades ou principios da FAWC (1993), permite que a observación do comportamento dun ani...

A claudicação é considerada um dos principais problemas de saúde e de bem-estar nas vacas leiteiras, com reflexos na redução da produção e na rentabilidade das explorações.

Portugal, located in the Mediterranean region, one of the "Hot Spot" of the planet, has a huge variability in terms of topography, soils, climate, agriculture, traditions, resulting in a high diversity of animal genetic resources, represented by 15 native cattle breeds, most of them threatened. A significant percentage of extensive beef cattle prod...

MANEjO 80 ¿QUÉ ES EL ESTRÉS TÉRMICO Y QUÉ FACTORES LO CONDICIONAN? El término " estrés térmico " se utiliza para describir la situa-ción que les ocurre a los animales cuando el calor generado por su organismo, sumado al calor absorbido del ambiente, es mayor que su capacidad para disiparlo. Los bovinos son animales homeotermos y, en condiciones nor...

In this book, the authors discuss the reproduction, nutritional management and diseases relating to dairy cows. Topics include strategies to improve the reproductive efficiency of dairy cattle; an illustrated classification system to define the causes of international bovine perinatal mortality; resetting the priorities for sustainable dairy farmin...

We studied the physiological indicators (rectal temperature and respiratory rate) on four farms in Northern Portugal, on 53 animals during the year 2011. There were 48 days with temperatures above 25ºC and THI was over 72 on 51 days of the year. In Summer the animals showed a further 1ºC and 40 movements/minute than the observed in Winter. The corr...

The study aimed to assess animal welfare regarding environmental resources such as the level of cubicles, feeders and drinkers. Was carried out on six farms in the Northern of Portugal, with herd size ranging from 34 to 90 lactating cows. The number of cubicles (-4.6±6.8) and guillotines (-18.4±13.4) was insufficient in the farms studied. The cubic...

We studied several factors that might influence the quality of chicks such as egg weight at incubation, transfer and types of incubators, strains (Hubber Redbru Mini, Sasso, Ross and Cobb) at various stages of production and distributed in seven facilities. There was a high correlation (R2=0.98) between the weight of the egg and chicks. There were...

This biometric study has been carried with 4 zoometric measurements and the live weight on a total of 236 Friesian dairy cows of 4 dairy farms with milking robot. The average values for the measures (cm) were: front height (AlCru) 139.83±4.77; rump height (AlGrup); 144.92±4.43; hip width (AnGrup) 56.49±3.99 and thorax perimeter (PeTor) 202.62±10,01...

Digital image analysis was performed to investigate its capability to determine morphological measurements of cattle. Morphological measurements of cattle are important in defining characteristics of the breed or productive and reproductive performance of the animals. Determination of morphological measurements is always costly, time consuming and...

The present study aims to evaluate the behavior of primiparous dairy cows in an automatic milking system (AMS) over 24 hours throughout a full lactation. Data were collected on a dairy farm with 130 animals which has an AMS with two robots. The AMS software provided the pattern of visits to the AMS and milk production of each animal. For this work...