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The aim of the study was to analyze the results of sanitary and veterinary examinations of rabbits carried out by the Veterinary Inspectorate in slaughterhouses in Poland in 2010-2018. In this period, 8,980,660 rabbits were examined. Lesions and quality deviations were found in 42,779 carcasses, i.e. 0.48% of all carcasses examined. The most frequent causes of the rejection of the carcasses and internal organs of the rabbits examined were sepsis and pyaemia (36,369 cases), followed by excessive emaciation (1,686 cases), upper respiratory tract disease (1,655 cases), other causes not specified by name (1,438 cases), and coccidiosis (1,318 cases). Abnormal exsanguination (303), parasitic diseases other than coccidiosis (67), infectious diseases (14), and leukemia (2) were much less often the cause of rejection. During the period analyzed, there was a decrease in the number of cases of coccidiosis (except in 2017) and other parasitic diseases, but there was a several-fold increase in the occurrence of sepsis and pyaemia (in the years 2015-2018). Compared with the results of veterinary and sanitary examinations of rabbits in 2000-2010, there was an increase in the number of rabbits slaughtered and a reduction in the percentage of carcasses with pathological changes and carcasses deemed unfit for consumption. In the years 2010-2018, there was also an increase in the number of cases of sepsis and pyaemia and a significant decrease in the percentage of parasitic diseases (mainly coccidiosis).
Within 9 years (1986-1994) 52 926 790 dead fowl and their internal organs were assessed. Out of 32 815 539 chickens the following qualitative changes were observed: hyper leanness in 95 615 animals (0.29%), bad exsanguination in 22 000 (0.068%), sepsis and pyemia in 1667 (0.005%), decomposition and chicken scalding in 15 504 (0.047%). Out of 2 340 752 hens assessed hyper leanness was observed in 9693 (0.41 %), bad exsanguination in 2360 (0.10%), sepsis and pyemia in 752 (0.032%), decomposition and scalding in 1704 (0.072%). Out of 17 770 499 turkeys examined hyper leannes was noticed in 17 737 birds (0.099%), bad exsanguination in 13 960 (0.078%), sepsis and pyemia in 6669 (0.037%), decomposition and scalding in 2829 (0.0159%). The analysis of the results indicated that the frequency of lesions and unsatisfactory quality were not high and hyper leanness was the most often noted deviation from standart norms.
The purpose of this study was to analyze the results of post-mortem examinations of horse carcasses conducted by the Veterinary Inspectorate in the years 2001-2010 in Polish slaughterhouses for these animals. In this period, 377,000 horses were slaughtered. Morbid traits or qualitative changes were observed in 60,327 carcasses, constituting 15.99% of all carcasses examined. The number of carcasses judged unfit for consumption was 1,099, i.e. 1.82% of those in which morbid traits or qualitative changes had been detected (or 0.29% of all carcasses examined). The most common were qualitative changes: most of these were described as pollution and congestion, found in 43,623 carcasses, i.e. 98.5% of carcasses departing from quality standards or 11.57% of all carcasses examined. A small proportion of all carcasses examined (0.05%) were affected by microbial infections. This group of diseases consisted of only three disorders: tuberculosis, sepsis and tetanus. Parasites were found in 10,011 carcasses examined, but only 1 carcass was judged unfit for consumption (a case of trichinosis diagnosed in 2010). The most frequent reasons for classifying carcasses as unfit for consumption were sensory changes (31.48%). Beginning from 2002, the number of carcasses judged unfit for consumption systematically decreased while the number of slaughtered animals increased. Two minor departures from this pattern were observed in 2006, when the proportion of carcasses deemed unfit for consumption increased by 0.07% compared with 2005, and in 2008, when the number of slaughtered animals decreased. Compared with the period 2001-2009, the proportion of carcasses with morbid traits increased abruptly in 2010: it was six times greater than in 2009 and three times greater than in 2001, i.e. in the two years when, as in 2010, over 40,000 horses were slaughtered in Poland. Moreover, in the last of the ten years under examination there was a notable increase in the number of qualitative changes, parasitic lesions and carcasses with a negative sanitary assessment. This increase may have been caused by a deterioration in the quality of slaughtered animals combined with the rigorous performance of post-mortem examinations by official veterinary surgeons.
The aim of the study was to analyze the results of post mortem examinations on slaughtered rabbits conducted in the years 2000-2010 by the national Veterinary Inspection in rabbit slaughterhouses in Poland. During the studied period over 5.6 million rabbits were slaughtered. In 280,686 carcasses quality changes on account of morbidity occurred, which constitutes 4.94% of the examined carcasses. Of these carcasses 59,428 were considered unfit for consumption, i.e. 21.17%, and 1.05% of all carcasses, which were examined after slaughter. The most common diseases confirmed were parasitic invasions, primarily coccidia (65.13%). However, the most common reasons for considering carcasses as unfit for consumption were bacterial diseases (sepsis and pyemia - 34.93%) as well as coccidiosis (28.96%). The most frequent qualitative changes of rabbit carcasses were excessive thinness (2%) or insufficient bloodlessness (1.64% of the confirmed changes). All of the carcasses in which these changes have been confirmed were considered unfit for consumption. Starting from 2006 the percentage of carcasses in which post-slaughter changes were confirmed has systematically decreased, while from 2008 the same concerns carcasses unfit for consumption. At the same time, the percentage of carcasses considered unfit for consumption from among the animals with confirmed qualitative changes after post-slaughter examination decidedly increased. This proves the good health of the rabbit population raised for slaughter in Poland, as well as its proper sanitary-veterinary control, which guarantees the high quality of the meat gained from it.
The aim of the study was to analyze the results of postmortem examinations conducted by the Veterinary Inspectorate on sheep and goats in Polish slaughterhouses in 2003-2013. During this period, over 260,000 sheep and goats were slaughtered, of which 0.8% were slaughter goats. In 92,050 carcasses, that is, in 35.21% of all carcasses examined, pathological lesions or quality changes were found. Only 448 carcasses, that is, 0.49% of carcasses with pathological lesions or quality changes, and 0.17% of all carcasses examined, were judged unfit for consumption. The most frequent lesions were parasitic invasions (49.69%) and purulent foci (47.96%). On the other hand, the most common causes of the rejection of carcasses as unfit for consumption were natural death or slaughter in a moribund condition (41.52%), followed by purulent foci (13.39%) and emaciation (11.16%). In the past 11 years, there have been only 23 cases of scrapie (5.13% of carcasses unfit for consumption). Since 2010 there has been a systematic decrease in the number of carcasses showing pathological lesions, and since 2009 there has been a decrease in the number of carcasses diagnosed with parasitic invasions, and at the same time no meat has been rejected on this ground. What was characteristic of this period was a small number of lesions caused by microorganisms, and, since 2004, a decreasing number of carcasses with qualitative changes, including excessive emaciation and insufficient bleeding, hydraemia, jaundice, organoleptic anomalies, incomplete bleeding, natural death or slaughter in moribund condition, purulent foci, contamination, and congestion.
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