Effects of Two Different Macroalgae (Ulva lactuca and Jania rubens) Species on Growth and Survival of Red Swamp Crayfish (Procambarus clarkii) as Feed Additive
نویسندگان
چکیده
The effects of dietary supplementation two different macroalgae Ulva lactuca and Jania rubens on the growth performance, survival feed conversion ratio juvenile red swamp crayfish (Procambarus clarkii) were investigated. Red with an average total length 56.2±6.67 mm weight 3.77±0.2 g placed at tanks (10 each tank) offered diets 8 weeks. Different levels added to commercial sea bass feed, no seaweed was used as a control group. It observed that fed 10% had higher performance (in terms weight) than those 15% diet group (P<0.05). lowest rate in highest 50.0% followed by 46.66% (control group) 43.33% (10% groups), respectively. This study showed there statistical difference among treatment groups (P>0.05). However, frequency molting mostly diet. Therefore, results (Ulva rubens) could be supplement for improve adverse efficiency or rate.
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ژورنال
عنوان ژورنال: Marine science and technology bulletin
سال: 2021
ISSN: ['2147-9666']
DOI: https://doi.org/10.33714/masteb.820627