Presença e tipificação de Salmonella spp. no conteúdo ruminal de bovinos pós-abate

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Resíduo de abacaxi em programa de restrição alimentar qualitativa para suínos pesados

Pós-graduação em Ciência e Tecnologia Animal - FEIS

Manejo pré-abate de bovinos

The pre-slaughter moment begins with the animal´s loading on the farm and ends up in its drain. It is a period in which the animal is under physical stress caused by hunger, thirst, fatigue, injuries, and extremes of temperature and psychological stress, due to restraint, handling, innovation and fear. Stress and inappropriate handling bring bad consequences for the final product´s quality, requiring better handling conditions, facilities and equipment. Examples of consequences of mishandling: meat with abnormal color, DFD meat (dark, firm and dry), reduced product´s shelf life, bruises and broken bones in carcasses. The operators should be trained and oriented on the basic principles of biology, behavior and management of cattle. At every step of the pre-slaughter moment, the animals should be handled calmly and quietly to avoid excitement and stress. Operators should avoid shouting, whistling or any noise since cattle have very sensitive ears and can become stressed. If the animals refuse to move, the cause of the problem should be determined

Susceptibilidade ao estresse e qualidade de carne de suínos suplementados com diferentes níveis de Ractopamina

The ractopamine is a β-adrenergic agonist used as a divider of energy in diets for finishing pigs. However, research shows that this additive may effect on welfare and meat quality. In this context, the aim was to evaluate the influence in three levels of inclusion of ractopamine (0, 5 and 10ppm) in commercial pigs diet (castrated, males and females, n = 340) for 28 days pre-slaughter on the welfare and meat quality. The wellbeing was assessed by the behavior of animals, number of skin damages, carcass damages and physiological stress (lactate, cortisol and creatinine phosphokinase). The evaluation of meat quality was performed by analyzing pH, color, drip and cooking loss, shear force and marbling of the longissimus dorsi muscle of 90 selected pigs. There was no influence of treatments on the behavior, the total number of skin damages and carcass damages or concentration of cortisol and lactate. However, levels of the enzyme creatine phosphokinase (CPK) increased in pigs supplemented with ractopamine. This shows that, somehow, this additive led to physiological changes in animals that consumed it. PH and drip loss did not change by the addition of ractopamine in the diet. In contrast, the Longissimus dorsi of pigs that received ractopamine presented less intense red color and no difference was found in L* and b*. The inclusion of ractopamine in the diet reduced the degree of marbling, cooking loss and tenderness of the muscle. Supplementation did not lead to behavioral change, increased incidence of injury, plasma cortisol and lactate and minimal impact on meat quality. However, there was evidence that the animals fed the additive suffered physiological changes

Brucelose suina no Brasil e impacto em Saúde Pública

Proteins of animal origin are among the most consumed foods in the world, this scenario highlights the pig production, providing much of the daily protein intake worldwide. Brazil has significant numbers in the production and export of pork to stand among the first in the world marker. Several diseases such as brucellosis, can configure a threat to this sector. Brucellosis in pigs is an important disease and zoonosis once it is the cause of great economic losses by making the species vulnerable to sanitary barriers as well as putting at risk the health of attendants of farms, slaughterhouses employees and consumers. Pigs slaughtered in slaughterhouses approved by competent organs guarentee the safety of employees, in the flowchart of slaughter, and consumers, but illegal slaughterhouses pose risk to public health

Material de risco específico no abate de bovinos

La Encefalopatía Espongiforme Bovina (EEB) es una enfermedad degenerativa mortal y transmisible del sistema nervioso central del ganado, con largo período de incubación y clínicamente se caracteriza por sintomas nerviosos, la reacción exagerada a los estímulos externos y dificultad locomoción. La EEB es una enfermedad del grupo de las Encefalopatías Espongiformes Transmisibles (EET), y consiste en una enfermedad zoonótica transmitida por comer alimentos contaminados con una proteína llamada príon. Se discute el control de enfermedades, celebrada en la carne de vacuno refrigerada masacre a través de las Material Especificado de Riesgo (MER) que son el cerebro, cráneo, ojos, amígdalas, médula espinal, gânglio del trigémino, gânglios de la raiz dorsal y el íleon distal. Estos organismos pueden contener el agente de la EEB y transmitir la enfermedad. Los controles se basan en la ley brasileña y las normas internacionales que dictan la recogida y destrucción de estos materiales, sino también las normas para la comercialización de productos procedentes de rumiantes, así como la prohibición de alimentar rumiantes com productos de origen animal

Aspectos do controle de resíduos de avermectinas no abate de bovinos

Pós-graduação em Medicina Veterinária - FCAV

Imunocastração e ractopamina na dieta de suínos: implicações na qualidade de carne fresca e melhorada por injeção (enhancement)

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Adição de desinfetantes na água de bebida durante o jejum pré-abate de frangos de corte: microbiologia e morfologia do trato gastrintestinal

Pós-graduação em Medicina Veterinária - FCAV

O uso de ducha: efeito sobre o bem-estar e a qualidade da carcaça e da carne em suínos transportados para o abate

This study was carried out to evaluate the effects of a shower before and after pig transportation on welfare, meat and carcass quality. We used 384 crossbreeding animals (females and castrated males), from 16 farms in Santa Catarina State, Brazil. A 2x4 factorial arrangement of treatments was employed with two distances from farm to slaughter plant (less than 50km and more than 50km) and four showering protocols. These protocols were applied on pigs: no showering at farm or slaughter plant (Control), no showering at farm but showering at the plant (NMG_MOF); showering at the farm and no showering at the plant (MOG_NMF); showering at the farm and plant (MOG_MOF). None of the factors influenced (P>0.05) physiological variables related to stress (cortisol and lactate in blood samples), number of carcass lesions and the characteristics of meat quality.

Manejo pré-abate de ovelhas de descarte: perdas de peso corporal, qualidade da carne e comportamento animal

The aim of this study was to know the behavior of Santa Inês ewes in different physiological stages during the pre-slaughter management, as well as their body weight loss, blood hematocrit values and meat quality. 21 discard ewes were used, arranged into the following treatments: T1 = ewes which remained in lactation for 60 days with their respective lambs and slaughtered one day after weaning; T2 = ewes which remained in lactation for 60 days with their respective lambs and one more period of approximately 30 days without the lambs and afterwards slaughtered; and T3 = ewes which remained in confinement for 60 days and did not give birth during the year. The weight of ewes after transportation was lower for T1 in comparison with T2. Blood hematocrit values of ewes before and after transportation and after fast in the waiting pen were not different among the treatments, with mean value of 58.50%. We concluded that the quality of meat of discard ewes in different physiological stages is not altered by pre-slaughter management, when correctly performed (avoiding animal stress), concerning meat pH.

Avaliação microbiológica da superfície muscular de carcaças ovinas durante as operações de abate em matadouro

In order to evaluate the hygienic-sanitary conditions of lamb carcasses for human consumption, this study aimed at quantifying populations of indicator microorganisms, such as: mesophiles and psychrotrophs, molds and yeasts, Escherichia coli, Staphylococcus spp. and at identifying pathogenic microorganisms (Salmonella sp. and Listeria spp.). The study was conducted in one lamb slaughterhouse located in the State of São Paulo. Swab samples were collected from muscle surface of forequarter and hindquarter regions of 30 half-carcasses after skinning, evisceration and washing processes. Population counts were between the following values in log10: 2,00 ± 0,32 and 2,59 ± 0,76 UFC/cm2 for mesophiles; 1,52 ± 0,98 and 2,35 ± 1,17 UFC/cm2 for psychrotrophs; 0,75 ± 0,87 and 1,23 ± 0,97 UFC/cm2 for molds and yeasts; 0,00 ± 0,00 and 0,31 ± 0,84 NMP/cm2 for Escherichia coli and 1,75 ± 0,71 and 1,95 ± 0,68 UFC/cm2 for Staphylococcus spp. Salmonella sp. and Listeria spp. were not detected from any of the sampled points. These results indicate the necessity to improve the hygienic-sanitary conditions.

Efeito do manejo pré-abate de bovinos no bem–estar e qualidade da carcaça

Pós-graduação em Zootecnia - FCAV

Fatores de risco associados às perdas quantitativas e econômicas ocorridas no manejo pré-abate de suínos

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)