Fish farming in Tanzania: the availability and nutritive value of local feed ingredients
2020
Mmanda, Francis Pius | Mulokozi, Deogratias Pius | Lindberg, Jan Eric | Norman Haldén, Anna | Mtolera, Matern | Kitula, Rukia | Lundh, Torbjörn
An investigative field survey was performed to gather baseline data on locally available feed ingredients and fish farming practices in different regions of Tanzania. More than 80% of respondents relied on locally available feed ingredients as a major feed supplement for their cultured fish, with maize bran being the most commonly used feed ingredient in all regions. Crude protein content in most analyzed local feed ingredients was medium-high, while crude fat content was high in some animal and agricultural by-products, and medium-low in other ingredients. Most respondents were males and the majority of fish farms were owned by individuals. Earthen pond was the most common fish farming system in all regions except Dar es Salaam. Semi-intensively mixed-sex tilapia monoculture was the dominating fish farming practice. The results of the survey presented provide a good platform for future development of culture systems and feeding strategies for tilapia in Tanzania.
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Эту запись предоставил National Agricultural Library