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Tytuł pozycji:

Optimal Feeding Frequency for Captive Hawksbill Sea Turtle ( Eretmochelys imbricata ).

Tytuł :
Optimal Feeding Frequency for Captive Hawksbill Sea Turtle ( Eretmochelys imbricata ).
Autorzy :
Jualaong S; Marine and Coastal Resources Research Center, The Eastern Upper Gulf of Thailand, Rayong 21170, Thailand.
Kanghae H; Phuket Marine Biological Center, Phuket 83000, Thailand.
Thongprajukaew K; Division of Health and Applied Sciences, Faculty of Science, Prince of Songkla University, Songkhla 90112, Thailand.
Saekhow S; Division of Health and Applied Sciences, Faculty of Science, Prince of Songkla University, Songkhla 90112, Thailand.
Amartiratana N; Phuket Marine Biological Center, Phuket 83000, Thailand.
Sotong P; Phuket Marine Biological Center, Phuket 83000, Thailand.
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Źródło :
Animals : an open access journal from MDPI [Animals (Basel)] 2021 Apr 26; Vol. 11 (5). Date of Electronic Publication: 2021 Apr 26.
Typ publikacji :
Journal Article
Język :
English
Imprint Name(s) :
Original Publication: Basel, Switzerland : Molecular Diversity Preservation International, 2011-
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Contributed Indexing :
Keywords: carapace; circadian rhythm; digestive enzyme; feces; head-starting program; health; meal frequency; meal interval
Entry Date(s) :
Date Created: 20210430 Latest Revision: 20210527
Update Code :
20210914
PubMed Central ID :
PMC8146212
DOI :
10.3390/ani11051252
PMID :
33926147
Czasopismo naukowe
Hawksbill sea turtle ( Eretmochelys imbricata ) has been reared in head-starting captivity programs, while the feeding regimens have never been optimized. In the current study, the feeding frequency of hawksbill sea turtle was investigated in indoor experimental conditions. Two-month-old turtles (38.98 ± 0.02 g) were distributed to triplicates of five treatments containing three turtles each and they were fed at different frequencies: one meal daily at 12.00 h (1M12), two meals daily at 08.00 and 12.00 h (2M8-12), two meals daily at 08.00 and 16.00 h (2M8-16), two meals daily at 12.00 and 16.00 h (2M12-16), or three meals daily at 08.00, 12.00 and 16.00 h (3M8-12-16). At the end of an 8-week trial, growth performance (specific growth rate 2.39 ± 0.02% body weight day -1 ) and feed consumption (feeding rate 2.00 ± 0.43 g day -1 ) were highest for turtles fed 2M8-16, followed by 2M12-16 or 3M8-12-16 relative to the other treatments ( p ˂ 0.05). These treatments had significantly higher trypsin specific activity and trypsin/chymotrypsin ratio, and vice versa for lipase specific activity and amylase/trypsin ratio, relative to the remaining treatments. These match well with the fecal thermal properties that indicate amounts of available and unavailable nutrients present in the feces. Hematological parameters and carapace elemental composition showed no negative effects to turtles in 2M8-16 treatment. Therefore, two meals daily with long time interval were optimal for feeding hawksbill sea turtle. Findings from the current study could be directly used as a feeding guideline supporting the head-starting programs of this species.

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