{"id":2182,"date":"2025-02-17T15:16:01","date_gmt":"2025-02-17T07:16:01","guid":{"rendered":"http:\/\/www.osaces.com\/?p=2182"},"modified":"2025-02-17T15:18:17","modified_gmt":"2025-02-17T07:18:17","slug":"yuedonghoujinlianquanruchunjixiajixunengguanlizhinan","status":"publish","type":"post","link":"http:\/\/www.osaces.com\/en\/yuedonghoujinlianquanruchunjixiajixunengguanlizhinan\/","title":{"rendered":"Guidelines for safe spring and summer storage management of koi after overwintering"},"content":{"rendered":"<p data-track=\"95\" data-pm-slice=\"1 1 []\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Winter water temperatures are low and koi are slow to metabolize and may even be semi-dormant. Temperatures return in spring, but fluctuate greatly, which can easily lead to disease. Therefore, management of the transition period requires gradual adjustment of water temperature, resumption of feeding, and checking fish health. Meanwhile, water quality management is also important, especially as snowmelt or rain may affect pH and algae growth.<\/span> <span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/p>\n<p data-track=\"95\" data-pm-slice=\"1 1 []\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Newcomers often ask when to start increasing the amount of feeding, how to monitor water quality, and how to deal with parasites. Attention should also be paid to the differences in different regions, such as the effects of rainy south and sandy north, which may require different countermeasures. In addition, equipment maintenance and economic efficiency optimization are also points of concern for users, such as how to make their own tools to save costs.<\/span><\/p>\n<p data-track=\"96\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-2202\" src=\"http:\/\/www.osaces.com\/wp-content\/uploads\/2025\/02\/1.jpg\" alt=\"\" width=\"719\" height=\"997\" srcset=\"http:\/\/www.osaces.com\/wp-content\/uploads\/2025\/02\/1.jpg 719w, http:\/\/www.osaces.com\/wp-content\/uploads\/2025\/02\/1-216x300.jpg 216w, http:\/\/www.osaces.com\/wp-content\/uploads\/2025\/02\/1-9x12.jpg 9w\" sizes=\"(max-width: 719px) 100vw, 719px\" \/> <img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-large wp-image-2203\" src=\"http:\/\/www.osaces.com\/wp-content\/uploads\/2025\/02\/2-2.jpg\" alt=\"\" width=\"720\" height=\"960\" srcset=\"http:\/\/www.osaces.com\/wp-content\/uploads\/2025\/02\/2-2.jpg 720w, http:\/\/www.osaces.com\/wp-content\/uploads\/2025\/02\/2-2-225x300.jpg 225w, http:\/\/www.osaces.com\/wp-content\/uploads\/2025\/02\/2-2-9x12.jpg 9w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"1\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">I. Key Steps for Winter Wrap-Up and Early Spring Transition<\/span><\/h1>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"2\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">1. Ice-breaking water activation (water temperature 3-8\u00b0C)<\/span><\/h1>\n<p data-track=\"3\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Core issues:<\/strong> Ammonia buildup due to anaerobic bacterial mortality during the freeze-up period<\/span><br \/>\n<span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Solution:<\/strong><\/span><\/p>\n<ul>\n<li data-track=\"4\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Physical Icebreaker:<\/strong> If the ice layer is &gt;5cm, use an electric drill to open a 20cm diameter ventilation hole (to avoid vibration damage to the fish body)<\/span><\/li>\n<li data-track=\"5\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Colony Reconstruction:<\/strong> Spraying low-temperature tolerant nitrifying bacteria (Bacillus subtilis strains preferred) at 0.5 g\/m\u00b3.<\/span><\/li>\n<li data-track=\"6\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Toxin neutralization:<\/strong> Add sodium humate 10g per ton of water to adsorb heavy metals and residual methane<\/span><\/li>\n<\/ul>\n<p data-track=\"7\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Validation Methods:<\/strong><\/span><br \/>\n<span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Test the bottom water after 48 hours of ice-breaking, dissolved oxygen &gt; 4mg\/L and no rotten egg odor will meet the standard.<\/span><\/p>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"8\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">2. Progressive feeding initiation (water temperature 8-18\u00b0C)<\/span><\/h1>\n<p data-track=\"9\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Metabolic Regulation Program:<\/strong><\/span><\/p>\n<ul>\n<li data-track=\"10\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>8-12\u00b0C stage:<\/strong><\/span>\n<ul>\n<li data-track=\"11\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Feeding of germ feed (protein \u2264 351 TP3T), once a day, dosage = fish weight \u00d7 0.31 TP3T<\/span><\/li>\n<li data-track=\"12\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Add aquatic special multi-vitamin (3g per kilogram of feed), repair intestinal mucosa<\/span><\/li>\n<\/ul>\n<\/li>\n<li data-track=\"13\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>12-18\u00b0C stage:<\/strong><\/span>\n<ul>\n<li data-track=\"14\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Switch to broodstock feed (protein 38%) twice daily, feeding rate = fish weight \u00d7 (water temperature - 10) \u00f7 100<\/span><\/li>\n<li data-track=\"15\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Lactobacillus freeze-dried powder (10\u2078 CFU\/kg feed) to enhance digestibility<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-track=\"16\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Taboo:<\/strong> Water temperature fluctuation \u00b1 3\u2103 \/ 24 hours need to stop eating to prevent enteritis.<\/span><\/p>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"17\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">II. Spring core management module<\/span><\/h1>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"18\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">1. Temperature difference buffer system construction<\/span><\/h1>\n<p data-track=\"19\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Layered temperature control method:<\/strong><\/span><\/p>\n<ul>\n<li data-track=\"20\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Water body structure:<\/strong> Maintain the pool depth \u2265 1.2 meters, the bottom layer retains 30cm silt layer (the north needs to be thickened to 50cm)<\/span><\/li>\n<li data-track=\"21\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Shading Strategies:<\/strong><\/span>\n<ul>\n<li data-track=\"22\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Adjustable awning used in the south (covers 60% area from 9:00-15:00)<\/span><\/li>\n<li data-track=\"23\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Floating EPDM foam panels (5cm thickness, 40% coverage) are used in the North<\/span><\/li>\n<\/ul>\n<\/li>\n<li data-track=\"24\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Emergency Response Program:<\/strong> Heating at a rate of 1.5\u00b0C\/hour in the event of a sudden cold snap (300W\/tonne of water heating rod)<\/span><\/li>\n<\/ul>\n<p data-track=\"25\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Effectiveness Verification:<\/strong> Record the water temperature curve for 5 consecutive days, day and night fluctuations \u2264 4 \u2103 is qualified.<\/span><\/p>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"26\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">2. Specialized maintenance of gill health<\/span><\/h1>\n<p data-track=\"27\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Spring gill disease prevention process:<\/strong><\/span><\/p>\n<ol start=\"1\">\n<li data-track=\"28\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Microscopic examination:<\/strong> The second pair of gill arches of three koi were taken after the beginning of spring and examined at 400x<\/span><\/li>\n<li data-track=\"29\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Fingerlings &gt;5\/field of view: 0.3ppm mebendazole bath<\/span><\/li>\n<li data-track=\"30\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Wheelworms found: 2% salt water immersion for 15 minutes\/day x 3 days<\/span><\/li>\n<li data-track=\"31\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Functional feeds:<\/strong> Add 0.2% astragalus polysaccharide (2g per kg of feed) for 14 days<\/span><\/li>\n<li data-track=\"32\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Water flow optimization:<\/strong> The difference in water flow rate between the main pool and the filtration bin was maintained at 0.1-0.3m\/s to promote gill mucus renewal<\/span><\/li>\n<\/ol>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"33\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">3. Reproductive regulation and energy reserves<\/span><\/h1>\n<p data-track=\"34\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Pre-spawning management:<\/strong><\/span><\/p>\n<ul>\n<li data-track=\"35\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Separate pools for males and females:<\/strong> When the water temperature stabilizes at 15\u00b0C, divide the pools according to the female-to-male ratio of 3:1 (to prevent premature births)<\/span><\/li>\n<li data-track=\"36\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Nutritional fortification:<\/strong><\/span>\n<ul>\n<li data-track=\"37\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Female: add 3% spirulina powder + 1% astaxanthin<\/span><\/li>\n<li data-track=\"38\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Males: add 2% Antarctic krill meal + 0.5% zinc preparation<\/span><\/li>\n<\/ul>\n<\/li>\n<li data-track=\"39\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Artificial ovarian stimulation:<\/strong> Simulated daily morning rainfall at water temperature 18\u00b0C (spray intensity 15L\/m\u00b2-h)<\/span><\/li>\n<\/ul>\n<p data-track=\"40\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Energy Reserve Standard:<\/strong> Pre-summer koi dorsal muscle thickness up to body height 15%-18% (caliper measurements).<\/span><\/p>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"41\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">Third, the differentiation scene operation points<\/span><\/h1>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"42\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Scenario 1: Northern tundra (northeast\/northwest)<\/span><\/h1>\n<ul>\n<li data-track=\"43\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Delayed food opening strategy:<\/strong> Water temperature stabilizes &gt;10\u00b0C before initiating feeding (usually 2-3 weeks later than in North China)<\/span><\/li>\n<li data-track=\"44\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Scale protection measures:<\/strong> Splash collagen peptide (50ml\/m\u00b3) once a week to repair winter frostbite scales<\/span><\/li>\n<li data-track=\"45\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Special sterilization:<\/strong> Replacement of chlorine formulation with 0.11 TP3T potassium persulfate complex to avoid low temperature failure<\/span><\/li>\n<\/ul>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"46\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Scenario 2: Southern Acidic Soil and Water Zone (Yunnan-Guizhou\/Two-Guangzhou)<\/span><\/h1>\n<ul>\n<li data-track=\"47\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Calcium supplementation:<\/strong> Oyster shells (5kg\/m\u00b2) are spread on the bottom of the pool to slowly release calcium carbonate.<\/span><\/li>\n<li data-track=\"48\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Acid rain prevention plan:<\/strong> Setting up automatic rain shelters (triggered off at pH &lt; 6.0)<\/span><\/li>\n<li data-track=\"49\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Anti-stress training:<\/strong> Artificially created short bursts of water 2 times per week (30 minutes each)<\/span><\/li>\n<\/ul>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"50\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Scenario 3: Retrofitting an old pool<\/span><\/h1>\n<ul>\n<li data-track=\"51\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Leak Repair:<\/strong> Treatment of cracks with underwater curing polyurethane (20 minutes initial set)<\/span><\/li>\n<li data-track=\"52\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Oxygenation upgrade:<\/strong> Nano aeration tube + whirlpool fan (air-water ratio 1:1.5) instead of the traditional air stone<\/span><\/li>\n<li data-track=\"53\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Bird protection system:<\/strong> Installation of laser bird repellers (650 nm, automatic night scanning)<\/span><\/li>\n<\/ul>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"54\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">IV. Summer energy storage preparatory period (30 days before the beginning of summer)<\/span><\/h1>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"55\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">1. Growth Spurt Nutrition Program<\/span><\/h1>\n<ul>\n<li data-track=\"56\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Protein step-up:<\/strong> Increase feed protein by 21 TP3T per week, eventually reaching 421 TP3T<\/span><\/li>\n<li data-track=\"57\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Fat regulation:<\/strong> Add 2% fish oil + 1%CLA conjugated linoleic acid<\/span><\/li>\n<li data-track=\"58\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Ingestion promotion techniques:<\/strong> Tap the pool wall 3 times a day at a fixed time to establish conditioned reflexes<\/span><\/li>\n<\/ul>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"59\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">2. Pre-summer facilities inspection checklist<\/span><\/h1>\n<table>\n<tbody>\n<tr>\n<td>\n<p data-track=\"60\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">sports event<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"61\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">(an official) standard<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"62\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Detection Tools<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p data-track=\"63\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">UV Resistance Rating of Sunshade Mesh<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"64\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">UPF50+<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"65\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">UV test card<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p data-track=\"66\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Circulating water pump efficiency<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"67\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">\u22658000L\/h-kW<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"68\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Flow meter + power meter<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p data-track=\"69\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Emergency generator range<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"70\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Full load operation \u2265 8 hours<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"71\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Diesel engine test run<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"72\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">3. Microbial balance building<\/span><\/h1>\n<ul>\n<li data-track=\"73\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>EM bacteria amplification:<\/strong> Brown sugar:EM stock solution:water=1:1:20, aeration culture 72 hours<\/span><\/li>\n<li data-track=\"74\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Directed algae cultivation:<\/strong> Application of diatom nutrients (N:P:Si =16:1:20) inhibited cyanobacteria<\/span><\/li>\n<li data-track=\"75\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Biofilm Conservation:<\/strong> For those with brush filters, backwash monthly with raw pool water (tap water is prohibited)<\/span><\/li>\n<\/ul>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"76\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">V. Key risk prevention and control timelines<\/span><\/h1>\n<table>\n<tbody>\n<tr>\n<td>\n<p data-track=\"77\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">time interval<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"78\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Core risks<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"79\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Response program<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p data-track=\"80\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Hibernation - Vernal Equinox<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"81\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Water mold outbreak<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"82\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Daily splashing with 0.05% quinquefoil decoction<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p data-track=\"83\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">around Ching Ming time<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"84\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Parasite larvae hatch<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"85\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Whole pool splashing of picloram (1.5ml\/m\u00b3)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p data-track=\"86\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">One week before the start of summer<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"87\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Dissolved oxygen plummets during heavy convection<\/span><\/p>\n<\/td>\n<td>\n<p data-track=\"88\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Early opening of pure oxygen bottles (1L\/min-ton of water)<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h1 class=\"pgc-h-arrow-right\" spellcheck=\"false\" data-track=\"89\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 14pt;\">VI. Practical validation of the indicator library<\/span><\/h1>\n<ol start=\"1\">\n<li data-track=\"90\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Metabolic Health:<\/strong> Completion rate of feeding within 30 minutes after baiting &gt; 90%<\/span><\/li>\n<li data-track=\"91\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Water safety:<\/strong> ORP value stabilized at 280-320mV range<\/span><\/li>\n<li data-track=\"92\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Growth potential:<\/strong> Monthly increase in body length \u2265 3 cm in April-May (30 cm size fish)<\/span><\/li>\n<li data-track=\"93\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Basis of disease resistance:<\/strong> Body surface mucus thickness &gt; 0.1 mm (microscopic micrometer observation)<\/span><\/li>\n<\/ol>\n<hr \/>\n<p data-track=\"94\"><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"><strong>Ultimate Goal Achievement Path:<\/strong><\/span><br \/>\n<span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><span style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\">Through the four-stage management of overwintering period dormancy \u2192 early spring metabolic activation \u2192 late spring body strengthening \u2192 early summer sprint preparation, the average daily weight gain of koi in summer can reach 1.2-1.8g (30cm individuals), while the incidence of seasonal diseases can be controlled below 5%.<strong>The core key lies in grasping the linear relationship between water temperature and feeding, and establishing a strong correlation between the fish's biological clock and the owner's operation. For more information, please contact: 020-82686289<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Winter water temperatures are low and koi are slow to metabolize and may even be semi-dormant. In spring the temperature rises, but fluctuates greatly, easily triggering diseases. 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