The objectives of this research were to evaluate the effects of the substitution of soybean oil by palm oil in the diet of Nile tilapia (Oreochromis niloticus) post-larvae, to observe the performance and attractiveness of the feed, and to evaluate the fatty acid methyl esters profile of palm oil. Four hundred Nile tilapias were used after hatching (seven days old), distributed in 20 fiberglass tanks of 20 L eac...
The study aimed to evaluate the leathers of corvina and pescada amarela and tilapia. The hides were subjected to the tanning process with vegetable tannin and were evaluated by tensile strength and elongation tests, progressive tearing in the leather specimens, in addition to morphological and physical-chemical analysis, to ascertain the efficiency of the process and observe the behavior of the structure of col...
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