In the framework of a general program to develop the production of the pigeon flesh in Morocco, we carried out in our laboratory a specific study on the bacterial risk contaminations of two local pigeon races called Beldi and Mgandi; in addition to a spanish race named Sevillanos. In fact, as the most poultry species, pigeons are characterized by their small size, an ease in manipulation on the farm and slaughtering, necessitating simpler devices for experiments. The latter has for objectives the genetic selection and the comparison of food systems of farm breeding methods.
The results of the various analysis and the comparison of the averages show an important contamination of the visceral organs by different germs.
This study shows that the local races are characterized by their resistance to colliforms, staphylococcus and streptococus. If the months with high temperature remain a favourable periode for the developpement of the faecal germs, the wintry months, however, are characterized by a high rate of mortality among pigeons.
Besides, the female pigeons remain more exposed to the contaminations by most of the studied germs.

The Poisoning caused by gaseous products still frequent, serious and often unrecognized. It represents a real menace to public health. The prevention is necessary to reduce the severity of this problem. The objective of this study was to describe the epidemiological, clinical and evolutionary characteristics of patients poisoned by gaseous products.
In The present epidemiological study we collected 380 cases of poisoning reported by provincial delegation of Errachidia, during a period from 2004 to 2011. The results showed the average age of the intoxicated was 26 ±16years. The poisonings in this province mainly concerne the adults whose age is between 20 and 74 years (59.04% of cases). The average incidence was 0.85 per 10000 inhabitants. The female patients predominated with 67.10%, the sex ratio (F/M) was 2.04. The frequencies of the highest poisoning were recorded in the urban area with 92%. The poisonings were accidental in 97.1% of the cases. Neuro-intestinal symptoms were the most frequent (36.8%), followed by neurological signs (35.5%) and gastrointestinal (22.1%).