Banca de QUALIFICAÇÃO: TATIANE PAROLIN MENGATTO

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
DISCENTE : TATIANE PAROLIN MENGATTO
DATA : 07/12/2018
HORA: 10:00
LOCAL: Instituto Federal Catarinense Campus Araquari, Prédio D, sala 302b
TÍTULO:

PREVALENCE AND RISK FACTORS OF CONDEMNATION OF SWINE CARCASS FOR RESPIRATORY PROBLEMS IN SLAUGHTER

PALAVRAS-CHAVES:

Pneumonia; Pleurisy; Swine Production; Slaughterhouse.

PÁGINAS: 45
GRANDE ÁREA: Ciências Agrárias
ÁREA: Medicina Veterinária
RESUMO:

Factors related to animal management have led to a considerable increase in the incidence of carcass condemnation which, in addition to causing direct losses to slaughterhouses, can create barriers to the expansion of pork exports to the most demanding markets. Condemnation of swine carcasses due to respiratory problems such as pneumonia, pleuropneumonia and pleuritis are important causes that affect the producer and industry. The objective of this study was to evaluate the prevalence of carcass condemnations due to respiratory problems at slaughter and the risk factors associated with the occurrence of these diseases. Data were collected from 124 pig growth and finishing properties integrated to an agroindustry from the state of Goiás from October 2016 to September 2018. A total of 2,967,803 animals were slaughtered. The data sampled included the number of animals slaughtered, the number of animals convicted, and the reasons for which the organ or carcass was condemned. The study also involved characteristics of the productive system, such as number and identification of the terminator producers and zootechnical results of slaughtered lots. The period from October 2016 to September 2017 was denominated year 1 and the period between October 2017 to September 2018 year 2. In year 1, a 0.90% prevalence of condemnation due to respiratory problems was observed, 0.35% for pneumonia, 0.24% for wet pleurisy, 0.19% for dry pleurisy, and 0.12% for pleuropneumonia. In the following year (year 2), there was a 104% increase in condemnation due to respiratory problems, with 1.83% of partially or totally condemned carcasses, with pleurisy being 0.78%, pneumonia with 0.61%, pleurisy dry with 0.26% and pleuropneumonia with 0.18% of the number of animals slaughtered condemned in the period. In the first year of data collection, the two members with the highest conviction percentage presented 3.08% and 2.85% of convictions, compared to 0.30% and 0.24%, which represent the two best results. However, in the second year of study, the results were 8.30% and 7.44% and 0.41% and 0.38%. It was possible to observe, analyzing only the frequency of the data, that in year 2 there was an increase in condemnation of carcasses due to respiratory problems. Analyzing the housing and slaughter weight of the animals, it was possible to observe that in year 2 the animals were housed with less weight (22.39 kg) than those housed in year 1 (23.68 kg). On the other hand, the animals were slaughtered with a greater weight in year 2, 133 kg on average, while in year 1, the average was 131 kg at slaughter. Mean daily gain (GMD) data were also evaluated, with an average of 0.872 kg in both years. With these partial results of the study it was observed that the second evaluation period presented high condemnation for respiratory problems in relation to the previous period, even the piglets presenting the same GMD when they were in the property. However, it is necessary to evaluate a greater number of variables and statistical analysis of the data to obtain conclusive results with respect to risk factors.

MEMBROS DA BANCA:
Presidente - 2277465 - FABIANA MOREIRA
Interno - 1760760 - CARLOS EDUARDO NOGUEIRA MARTINS
Interno - 1046884 - ELIZABETH SCHWEGLER
Interno - 1830781 - ADOLFO JATOBA MEDEIROS BEZERRA
Interno - 2648941 - IVAN BIANCHI
Interno - 1430573 - MIGUELANGELO ZIEGLER ARBOITTE
Interno - 1085177 - VANESSA PERIPOLLI