نتایج جستجو برای: fingerling
تعداد نتایج: 284 فیلتر نتایج به سال:
This study incorporates the application of a linear programming technique for composition fish feed mixture to minimize cost without sacrificing nutrients levels. Designing best diet fry, fingerling, and growth stages is main goal this study. Regarding nutrient manufacturing costs, study's results show that variety elements can be combined much more effectively than in commercially available fe...
The physiological responses of 1- to 2-year-old rainbow trout to low pH are dependent on the environmental calcium concentration. Trout, maintained for 5 days in moderately hard water ([Ca2+] = 1.6-2.7 m-equiv/l) at a mean pH of 4.3, developed a major blood acidosis but exhibited only a minor depression in plasma ion levels. In acidified soft water ([Ca2+] = 0.3 m-equiv/l), only a minor acidosi...
The intensification of aquaculture has brought about the need to find alternative feed supplement sources reduce production costs. One in fish farming is animal manure. However, use manure may cause health problems cultures. objective this study was determine effects probiotics on Nile tilapia fingerlings subjected microbial challenge using swine Three hundred (300) weighing 2±0.05g and measuri...
The study on the effects of food and rearing density hybrid grouper (♂ E. lanceolatus × ♀ fuscoguttatus) from fry stage to fingerling was conducted at Nha Trang Mariculture Research Development Center (Research Institute for Aquaculture No. 3) March May 2018 assess live fish survival rate, growth in length, level coefficient CVL deformative rate. showed that feeding rotifers were better than oy...
Channel catfish virus (CCV) disease is an acute haemorrhagic disease in juvenile channel catfish (Ictalurus punctatus). While fish that survive primary CCV infection are suspected of being carriers of CCV, little is known concerning CCV latency. In this report, fingerling catfish were infected with CCV by experimental immersion challenge. Infected fish displayed clinical signs of CCV disease, b...
Monosex tilapia (Oreochromis niloticus L.) was evaluated in a freshwater pond for 100 days at Gokuleshwor, Baitadi, Nepal during the summer and rainy seasons of 2019. Fingerlings were supplied stocking densities 5, 10, 15, 20 fish per m3. At time stocking, average fingerling weight 8.5 grams. Each treatment had four replicates. treatments involved feeding twice day. The results revealed that sp...
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