modeling budidaya #lobster di BPBL Batam

Summary

This script outlines the integrated lobster farming model, focusing on both land-based nursery and sea-based grow-out systems. Key factors like water quality, feed management, and health monitoring are emphasized to ensure successful lobster production. The model offers high survival rates, efficient resource use, and provides a sustainable approach to lobster farming. The script also discusses the advantages of modern technology, such as HDPE floating cages, over traditional methods. It highlights government efforts to support the lobster industry, aiming for scalable solutions that can be implemented by local farmers.

Takeaways

• 😀 Lobster farming involves an integrated system, combining land-based nursery (for breeding) and sea-based cages (for growing) to maximize efficiency.
• 😀 In the land-based nursery, lobster larvae are nurtured until they reach 5 grams in size, which takes about 1.5 months. This has strong market demand as it eliminates the need to care for smaller lobsters.
• 😀 High survival rates (up to 75%) are achievable in land-based nurseries using effective water quality management and advanced breeding techniques like the Recirculating Aquaculture System (RAS).
• 😀 The key to successful lobster growth involves optimizing feed management, including the right amounts, timing, and freshness. Shellfish like clams provide essential nutrition for lobster larvae.
• 😀 Lobster cultivation can be split into two segments: from 5g to 30g, and from 30g to harvest size (500g-1kg). The latter segment requires 10 to 12 months to reach maturity.
• 😀 Regular grading and sampling are crucial to monitor lobster health, adjust feed amounts, and prevent overcrowding. This process ensures healthy lobster growth and minimizes mortality.
• 😀 While land-based nurseries offer better control over water quality and health monitoring, sea-based nurseries (using cages) are more vulnerable to environmental conditions.
• 😀 Compared to traditional net-based farming methods, using stable cage systems (like the 'kerangkeng') offers better protection against strong currents and reduces the risk of lobster death from entanglement.
• 😀 Although modern lobster farming methods with HDPE cages have a higher initial cost, the long lifespan (15 years) and higher survival rates make them a sound investment.
• 😀 Government-supported lobster farming models, like those in Batam, aim to provide a replicable model for the public, helping them avoid unsustainable wild-caught lobster practices and boosting local lobster production.

Q & A

What is the significance of using a land-based nursery system for lobster cultivation?

The land-based nursery system is crucial for maintaining controlled water quality, which significantly increases the survival rate of lobster seedlings. This system also enables better monitoring and management of lobster health, leading to higher quality and more consistent production of lobster seeds.

What role does water quality play in lobster farming?

Water quality is essential in lobster farming, especially in land-based nurseries. Using systems like Recirculating Aquaculture Systems (RAS) helps maintain stable water conditions, preventing contamination and ensuring the lobsters thrive. Proper filtration, oxygen levels, and temperature control are key factors in ensuring high survival rates.

How long does it take for lobster seedlings to grow to the desired size in a land-based nursery?

It takes approximately 45 to 60 days for lobster seedlings to grow from a newly hatched stage to a size of 3 to 5 grams in a land-based nursery.

Why is grading and sampling important in lobster farming?

Grading and sampling are essential for monitoring the health of the lobsters, assessing their growth, and determining the appropriate stocking density. These practices help optimize feeding schedules and ensure lobsters are not overcrowded, which can affect their health and growth.

What are the two key segments of lobster growth in the farming process?

The two key segments are the nursery stage, where lobsters grow from hatchlings to 5 grams, and the grow-out stage, where they are raised from 30 grams to harvestable sizes of 500 grams to 1 kilogram. Each stage requires careful attention to feeding, water quality, and monitoring.

What is the importance of using shellfish as feed in lobster farming?

Shellfish, particularly clams, are an ideal feed for lobsters as they provide the necessary nutrients for their growth. They are rich in protein, which is crucial for the development of the lobsters, especially during the critical early stages of their life cycle.

How does the use of a kerangkeng system benefit lobster farming compared to traditional net systems?

The kerangkeng system, unlike traditional net systems, is more stable and resistant to strong currents, reducing the risk of lobsters getting trapped or killed in folds of the net. This system ensures better survival rates, even in rougher water conditions, and offers greater longevity of use.

What is the difference in investment between using HDPE and wooden cages in lobster farming?

HDPE cages require a higher initial investment (about 3 to 4 times more expensive) compared to wooden cages, but they offer greater durability, lasting around 15 years. Wooden cages are more affordable initially but have a shorter lifespan and may need more frequent replacements.

What factors contribute to the selection of Batam as the location for lobster farming?

Batam was chosen for lobster farming due to its abundance of shellfish, which is a crucial food source for lobsters, as well as its stable and reliable availability throughout the year. Additionally, Batam's infrastructure supports the establishment of modern lobster farming technologies.

How does the government aim to scale up lobster farming for local communities?

The government, through models like the Balai Perikanan Budi Daya Laut Batam, aims to demonstrate successful lobster farming techniques that local communities can replicate. The goal is to ensure a consistent supply of lobster seeds, reduce reliance on wild-caught lobster seedlings, and promote sustainable, profitable farming practices.