PubMed · 6474790
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G B Heath. 1984-08-04. Slaughter of broilers.. https://doi.org/10.1136/vr.115.5.98
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OBJECTIVE: To implement a disease monitoring system in federal, municipal, and private abattoirs in Baja California, Mexico and to estimate annual prevalence of tuberculosis (TB) in beef and dairy cattle slaughtered and inspected in 1995 and 1996. DESIGN: Epidemiologic survey. ANIMALS: About 200,000 cattle (95% beef, 5% dairy). PROCEDURES: Lymph node and tissue specimens with lesions suggestive of TB were fixed in neutral-buffered 10% formalin and embedded in paraffin. Sections were stained with H&E and Ziehl-Neelsen and examined for typical tuberculous lesions and acid-fast bacilli. Annual prevalence and 95% confidence intervals were estimated. RESULTS: Prevalence of TB in all slaughtered cattle was 0.12 and 0.46% in 1995 and 1996, respectively (beef cattle, 0.02 and 0.05%, respectively; dairy cattle, 2.0 and 8.3%, respectively). Tuberculosis cases/1,000 slaughtered cattle were linearly associated with monthly volumes of tissue submissions. CLINICAL IMPLICATIONS: It is critical to quantify the monitoring activity at abattoirs to better estimate the prevalence of TB in slaughtered cattle. Annual prevalence of TB was significantly greater in dairy cattle than in beef cattle. Veterinarians and cattle producers in this region are encouraged to develop and work on herd plans aimed at controlling and eradicating TB.
OBJECTIVE: To determine to what extent humane organizations are receiving requests to take unwanted Vietnamese potbellied pigs and to determine whether owners of potbellied pigs are selling them for slaughter. DESIGN: Mail survey. SAMPLE POPULATION: 1,178 humane organizations in 7 states and 978 slaughter plants in 4 states. RESULTS: 802 (68%) humane organizations and 787 (81%) slaughter plants responded. Of the humane organizations that responded, 479 (60%) stated they were willing to accept potbellied pigs. Humane organizations received 4,380 requests from owners to accept potbellied pigs during the study period and accepted 3,149 (72%) of these pigs. Six hundred fifteen (20%) of the potbellied pigs accepted were strays. Of the 437 humane organizations that provided reasons why owners relinquished their potbellied pigs, 255 (58%) reported larger than expected size, 148 (34%) reported zoning restrictions and 82 (19%) reported aggression. Of 485 slaughter plants that normally slaughtered hogs, 255 (53%) had received requests to slaughter potbellied pigs. These plants slaughtered 2,640 and refused 1,407 potbellied pigs during the study period. CLINICAL IMPLICATIONS: Problems with larger than expected size, zoning restrictions, and aggressive behavior caused owners of Vietnamese potbellied pigs to relinquish their pets to humane organizations and slaughter plants.