IV. The extra materials for the swift house:

1. Fake nest: arrange some fake nests around the in-house speakers. Do not abuse too many fake nests, which makes bird feel uncomfortable.

2. In-house speaker: set up some small speakers around the house and on the nest bar to create the hum and noise.

3. Deodorant: Use stimulating scent powder and smell to gives the swiftlet the idea that "their friends" are staying in the house. The liquid spray is set up around the walls. Dry powder is spread on the floor.

4. Speakerphone: Use outside and in-house sound to attract new birds. Use auto-sound machine. The volume of the noise depends accordingly on the bird number of that area.

5. Trees: Plan trees such as fig trees, apple trees, etc. around the house or on the flying route of the birds to attract insects. Doing so will help attract a large number of swiftlet birds.

6. Water spray system: to maintain the inside humidity and temperature of bird house (80-95% and 25-28 ° C)


V. The materials inside each room.

- The design must take into account the temperature of each region and a reasonable adjustment for each region accordingly. Large and spacious rooms make temperature low while small rooms keep temperature high.

 - 5cm free space in the middle of double wall construction.

The importance of entrance hole in bird nest:

- Help control the bird moves from outside to the nesting area. Entrance hole should be calculated carefully and designed accurately. 

- Room design: May separate room with wood panels or not. Rely on a bird flying route to design reasonably and accurately. 

- Entrance holes and the room division will decide the number of birds and the number of herds. Ignoring every little detail may cause the big consequences on staying and nesting of birds.


Conclusion: Building the swift house need the convergence of certain factors: drawing, full design, entrance holes, storey, ventilation, room division, frame bars and surroundings. Do not follow a general model. Consider and analyze every detail to suit each region. Do not be subjective. Tam Cao Viet Joint-Stock Company will give detailed advice for customers on techniques and technology of building bird house when required.


VI. Dangerous factors: the invasive pest and disease:

1. Dangerous birds: eagle, owls, crows, pigeons, etc. Do not let them fly around the tam-cao-viet nest. If they reach or get near the bird house, push them away to prevent swiftlets from being panic and flying away.

2. Rats: Swiftlet birds are afraid of rats. If any rat gets into bird’s house, birds will fly away or move to another place.  By all means prevent rats from every corner so they do not have the opportunity to get near the birds (if seeing any rats, just kill them for prevention)

3. Batman: Have bad smell & are always noisy. They even eat the bird eggs and baby birds. Batman appears the most in dry season. You should push them away whenever seeing them.

4. Aphids: Have bad smell. Birds may fly away if there are aphids in their nests.

5. Spider: You should make regular check to make sure there is no spider near the entrance hole or inside the bird’s house. Spider may block the flying routes and nest entrance of the birds.

6. Ways to protect swiftlet flying routes:

Human doors must be 1 to 2 layers thick with good anti-theft lock

Camera system on the walls around the bird farm. Security available.


For other information related to nest building technology, please contact:


Contact: Tam Cao Viet Swiftlet House Company Limited

Address: 26 Block B, Nguyen Van Luong, Ward 10, Go Vap District, HCM city.

Phone: 08.6252 4947 – 0916 146 805 (Mr.Thanh)