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What factors need to consider when use EM in aquaculture ?
What
The factors need to consider when use EM in aquaculture
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The factors need to consider when use EM in aquaculture
How does probiotic improve the gut health?
How
probiotic is in fact compatible with antibiotics, for example, probioitcs help animals quickly back to health and recover from side effects caused by antibiotics, they can work along, not together, but taking turns, normally few days gap. So, using antibiotics sometimes would be a necessary solution but probiotic is truly a better way.  I have listed some key differences for probiotics and antibiotics, so we will have a clear understanding of the idea.
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probiotic is in fact compatible with antibiotics, for example, probioitcs help animals quickly back to health and recover from side effects caused by antibiotics, they can work along, not together, but taking turns, normally few days gap. So, using antibiotics sometimes would be a necessary solution but probiotic is truly a better way.  I have listed some key differences for probiotics and antibiotics, so we will have a clear understanding of the idea.
Bacillus: from soil to feed
Bacillus:
Suckling piglets supplemented with a Bacillus species-based probiotic have shown a notable increase in growth performance as compared to a control group. A different study also addressing the effect a Bacillus species-based probiotic supplemented as feed additive has shown that pre-weaning mortality could be significantly reduced by more than 50% with probiotic supplementation. Such notable increase in piglet survival results in one more pig weaned per litter, which is a clear indication that probiotics can improve the performance and profitability of sow units.
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Suckling piglets supplemented with a Bacillus species-based probiotic have shown a notable increase in growth performance as compared to a control group. A different study also addressing the effect a Bacillus species-based probiotic supplemented as feed additive has shown that pre-weaning mortality could be significantly reduced by more than 50% with probiotic supplementation. Such notable increase in piglet survival results in one more pig weaned per litter, which is a clear indication that probiotics can improve the performance and profitability of sow units.
The Role Of Prebiotics And Probiotics In Aquaculture
The
the benefits accorded by probiotics make it a viable alternative to the use of antibiotics and chemicals. However, adopting probiotics in large-scale aquaculture poses logistical problems. Their effectiveness is dependent on factors such as the proper management of strains, necessary provision of dosage and ensuring bacterial stability during production and storage, which potentially reduces the number of viable organisms. Furthermore, concerns about the safety of strains and the transmission of antibiotic resistance and virulent plasmids are issues that cannot be ignored.
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the benefits accorded by probiotics make it a viable alternative to the use of antibiotics and chemicals. However, adopting probiotics in large-scale aquaculture poses logistical problems. Their effectiveness is dependent on factors such as the proper management of strains, necessary provision of dosage and ensuring bacterial stability during production and storage, which potentially reduces the number of viable organisms. Furthermore, concerns about the safety of strains and the transmission of antibiotic resistance and virulent plasmids are issues that cannot be ignored.
Evaluating the effect of probiotics in broilers
Evaluating
The effect of probiotics consists of several mechanisms. Probiotics live in the mucous lining of the gastrointestinal tract. The bacteria living on the surface create a certain acidity level. The pH of the mucous membrane lowers, making it impossible for pathogenic bacteria such as E.coli and Salmonella to grow. Probiotics bind to the surface of the intestinal mucosa and prevent pathogenic bacteria from attaching. They excrete antibiotic substances which kill pathogenic bacteria and stimulate the immune system.
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The effect of probiotics consists of several mechanisms. Probiotics live in the mucous lining of the gastrointestinal tract. The bacteria living on the surface create a certain acidity level. The pH of the mucous membrane lowers, making it impossible for pathogenic bacteria such as E.coli and Salmonella to grow. Probiotics bind to the surface of the intestinal mucosa and prevent pathogenic bacteria from attaching. They excrete antibiotic substances which kill pathogenic bacteria and stimulate the immune system.
Effect of EM bacteria on ammonia nitrogen in aquaculture
Effect
The content of non-ionic ammonia nitrogen is not more than 0.02mg/L according to the standard of Fishery Water Quality, but it is often difficult to achieve in practice. In the actual production process of most aquaculture, ammonia nitrogen is controlled to be less than 0.5mg/L. Excessive ammonia nitrogen will cause aquatic animal poisoning. The main manifestations were decreased feeding, slow growth, tissue damage, hypoxia, hyperactivity, convulsion and death. The ammonia-nitrogen problem is more prominent in the cultivation of Penaeus vannamei. Most farmers generally do not pay attention to the ammonia-nitrogen index before releasing seedlings, which has a great impact on the cultivation of the seedling stage.
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The content of non-ionic ammonia nitrogen is not more than 0.02mg/L according to the standard of Fishery Water Quality, but it is often difficult to achieve in practice. In the actual production process of most aquaculture, ammonia nitrogen is controlled to be less than 0.5mg/L. Excessive ammonia nitrogen will cause aquatic animal poisoning. The main manifestations were decreased feeding, slow growth, tissue damage, hypoxia, hyperactivity, convulsion and death. The ammonia-nitrogen problem is more prominent in the cultivation of Penaeus vannamei. Most farmers generally do not pay attention to the ammonia-nitrogen index before releasing seedlings, which has a great impact on the cultivation of the seedling stage.
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