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Effects of binder type and binder addition on the growth of juvenile Palaemonetes varians and Palaemon elegans (Crustacea: Palaemonidae)
Palma, J.; Bureau, D.P.; Andrade, J.P. (2008). Effects of binder type and binder addition on the growth of juvenile Palaemonetes varians and Palaemon elegans (Crustacea: Palaemonidae). Aquacult. Int. 16(5): 427-436. https://dx.doi.org/10.1007/s10499-007-9155-5
In: Aquaculture International. Springer: London. ISSN 0967-6120; e-ISSN 1573-143X
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| Trefwoorden |
Cultures > Shellfish culture > Crustacean culture > Shrimp culture
Products > Fishery products > Processed fishery products > Seaweed products > Agar
Crustacea [WoRMS]; Palaemon elegans Rathke, 1836 [WoRMS]; Palaemonetes varians (Leach, 1814) [WoRMS]; Palaemonidae Rafinesque, 1815 [WoRMS]
Marien/Kust |
| Author keywords |
agar; binders; lignosol; microcoating; microbinding; shrimp |
| Auteurs | | Top |
- Palma, J.
- Bureau, D.P.
- Andrade, J.P.
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| Abstract |
This investigation compared the effects of using two binders of no nutritional value, lignosol and agar, and the binding method, microbinding and microcoating, on the growth of juvenile Atlantic ditch shrimp, Palaemonetes varians, and rockpool prawn, Palaemon elegans. Shrimp were fed one basal diet which varied solely in binder type and method of inclusion (Diet A, with lignosol added by microbinding, Diet B, with agar added by microbinding, and Diet C with lignosol added by microcoating) for a period of 45 days. At the end of the experiment significant differences in the final wet weight were found between shrimps fed Diet A and Diet C and between shrimps fed Diet B and Diet C (P < 0.001), but no significant differences were found between Diet A and Diet B (P > 0.05). These results were verified for both species. Significant differences were found between the linear regression slopes of the three tested diets for P. varians (F3,411 = 3.41; P < 0.04), and for P. elegans (F3,431 = 10.51; P < 0.0003). Palaemon elegans grew faster than P. varians and at the end of the experiment significant differences were found between the final wet weight of the two species (F3,842 = 48.17, P < 0.0001). The growth parameters analysed, weight gain (WG), thermal-unit growth coefficient (TGC), and food conversion rate (FCR) were always higher for P. elegans. Results indicate that use of either lignosol or agar, added to the diet by microbinding, is advisable. |
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