Abstract
This study aimed to evaluate the effect of egg weight and egg shape index on hatching performance and eggshell quality of white-nest swiftlets. A total of 200 white-nest swiftlet eggs were included in this study. The egg weight was classified into three groups, namely Group EW1: 1.61-1.80 g, Group EW2: 1.81-2.00 g, and Group EW3: 2.01-2.20 g. The egg shape index was classified into three groups, namely Group ESI1: 60.01-65.00%, Group ESI2: 65.01-70.00%, and Group ESI3: 70.01-75.00%. The results showed that hatching weight, eggshell weight, and thickness were improved along with the increased in the egg weight (p < 0.05). On the other hand, egg shape index, hatchability, and hatching yield were not significantly differed across three egg weight groups (p > 0.05). The egg shape index had a significant effect on the hatchability of white-nest swiftlets (p < 0.05). Group ESI3 had a higher hatchability as compared to ESI1 (p < 0.05), while ESI2 did not differ with ESI1 and ESI3 (p > 0.05). The egg shape index did not significantly affect egg weight, hatching weight, hatching yield, eggshell weight, and eggshell thickness (p > 0.05). It could be concluded that egg weight is an essential determining factor for hatching weight, eggshell weight, and thickness, while egg shape index is crucial for hatchability of white-nest swiftlets.
| Original language | English |
|---|---|
| Pages (from-to) | 20-24 |
| Number of pages | 5 |
| Journal | Journal of Animal Health and Production |
| Volume | 11 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2023 |
Keywords
- Edible bird’s nest
- Hatchability
- Hatching weight
- Incubation
- Shell thickness
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