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| Silva, A. F.; Escalante, Karla; Alvarez-gonzalez, C. A.; Guerrero-olazaran, M.; Cuzon, Gerard; Gaxiola, Gabriela. |
| The digestibility of pre-selected ingredients was evaluated for Epinephelus morio using pH-stat and multi-enzyme extract (stomach, intestine, and ceca). The degree of hydrolysis (DH) was tested with acid and alkaline proteases using crustacean meals, squid meal, fish protein concentrate (FPC), fish meal, dried whey, as well as canola paste (w/or w/o phytase), soybean meal (w/or w/o phytase), soyprotein concentrate (SPC), and wheat gluten. SPC produced DH values between 3.6-4.1%, obtained from the three different parts of the digestive tract. Canola paste produced high DH in the stomach by adding phytase to 0.8 and 2% feed. This process was repeated under alkaline conditions for DH, with 0.6-2.6% in the pyloric ceca, and 1-2.2% in the intestine. The DH from... |
| Tipo: Text |
Palavras-chave: ADC; In vitro digestibility; Enzymes; Fish; Feedstuffs. |
| Ano: 2014 |
URL: https://archimer.ifremer.fr/doc/00248/35930/80189.pdf |
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| Aguilera-rivera, Diana; Prieto-davo, Alejandra; Escalante, Karla; Chavez, Cristina; Cuzon, Gerard; Gaxiola, Gabriela. |
| The advantages of FLOC over clear water (CW) in rearing juvenile L. vannamei and its effects on Vibrio communities were evaluated. Survival rate in FLOC and clear water were recorded and a probiotic was tested under both conditions. Daily growth rate (DGR) was higher in FLOC (p < 0.05) than in CW. Survival in each system increased significantly when a probiotic was included in the diet (p < 0.05). The Vibrionaceae community from the hepatopancreas (HP) and the culture medium did not differ between the two culture media. Nevertheless, a novel group of Vibrio strains was found to be unique to FLOC. No high level of lesions was observed in shrimp tissues from the FLOC + probiotic treatment; it suggests that the probiotic contributed to homeostasis and... |
| Tipo: Text |
Palavras-chave: FLOC; Probiotic; L. vannamei; Disease; Vibrio. |
| Ano: 2014 |
URL: http://archimer.ifremer.fr/doc/00173/28379/26694.pdf |
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