The epidemiology of livestock diseases can be monitored through information received from slaughterhouses. The aim of this study is to evaluate the frequency of the reasons for the seizure of cattle meat and the economic and social impact of these seizures at the slaughterhouse of Cotonou from June to August 2021. Out of a total of 6,828 slaughtered cattle, partial seizures were made – 831 (12.17%). The organs frequently seized were the lungs (46.21%) and the liver (32.85%). Other organs seized were the heart, kidneys, and udders. Furthermore, after all the calculations, it was found that the seizures recorded during this year resulted in a total loss of around 7,625,000 XOF. These investigations were carried out in the Cotonou slaughterhouse, in order to contribute to the enrichment of the scientific sphere, but more importantly to be able to improve public health by identifying the dangers, and sources of diseases in humans.
Nowadays, cattle breeding is a major economic issue throughout the world. However, gastrointestinal nematode parasitism remains a major sanitary threat on a global scale, affecting animal health, farm productivity and the well-being of farmers. Until recently, chemical anthelmintics occupied a prominent place in the fight against these parasites. But some of them have developed resistance to antiparasitic drugs. The objective of this study is to compare the anthelmintic effects of commercial albendazole (8.3 mg/kg body weight) and annual mugwort (Artemesia annua, 100 mg and 150 mg) powder on gastrointestinal roundworms in cattle. Lots of animals were formed in a population of 92 animals, and underwent different treatments: with albendazole and with annual mugwort powder. The results showed that the artemesia annua powder has a strong inhibition on the nematodes but failed to eliminate them completely. Albendazole, for its part, showed a very effective effect with a 100% elimination of nematodes. These results highlight the possibility of using annual mugwort as an alternative to albendazole on farms.
The greater wax moth, Galleria mellonella, is one of the ubiquitous pests of honey bee colonies worldwide. The economic importance of moths has led to a number of studies on the life cycle, biology, behavior, ecology, molecular biology, physiology, and control of the wax moth. Our study aims to verify the effectiveness of two essential oils against the greater moth Galleria mellonella L. The essential oils of sweet orange (Citrus sinensis) and basil (Ocimum basilicum) tested on the greater wax moth, have presented various degrees of activity against G. mellonella eggs and larvae. The highest aborted egg rate and the highest mortality were recorded with the mixture of sweet orange oil (Citrus sinensis) and basil (Ocimum basilicum ) (respectively 91.27% and 65.33%) while the lowest aborted egg rates and mortality were recorded with basil oil ( Ocimum basilicum ) (respectively 75.77% and 15.67%). These treatments appear to be safe for pollinators, humans, and the environment, and the essential oils applied are readily available and inexpensive.
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