The duration of each of these seasons varies today and the rains in the second season are erratic due to global warming. The population of Yaounde was estimated in 2015 at 2.8 million . The intertropical type of vegetation is observed in Yaounde with a predominance of humid forest. The city’s hydrographic network is very…

Modeling weight gain or growth of livestock is an important tool for optimizing management decisions and production systems.Amongst considered livestock were cattle, sheep, chicken, ducks or turkeys.There exist also studies dealing with the growth patterns of intensive piglet production or a pig breed used as laboratory animal . But organic livestock farming differs from intensive livestock farming…