The effects of water source and secondary water treatment on flame angelfish Centropyge loriculus (Günther) reproduction

Callan, Chatham K.; Laidley, Charles W.

doi:10.1111/j.1365-2109.2010.02525.x

Cited by 5 publications

(4 citation statements)

References 7 publications

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“…In the same vein, associated water quality problems can also cause delayed maturation period and thus affect the production of sperm in the shrimp. This assumption is supported by an earlier study reported by Callan and Laidley (2010) where they observed that water chemistry is an important factor that can affect the health, reproduction performance and egg quality of C. loricula broodstock. It can also lead to the shrimp mortality.…”

Section: Discussionsupporting

confidence: 76%

Gonad Quality of Banana Shrimp Male Broodstock Penaeus merguiensis (DeMan, 1888) Fed Different Natural Diets

Matmor¹,

Manan²,

Azman³

et al. 2022

TLSR

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A study was carried out to determine the maturation period, quality and quantity of sperms production in Banana shrimp male broodstock, Penaeus merguiensis fed different natural diets. The three different natural diets namely; squid, fish and shrimp flesh used in this study were obtained from known sources and fed to the tested shrimp in triplicate groups. Based on the results obtained, squid seem to be the most effective natural diet as it enhances the sperms maturation within 20 days. Feeding fish and shrimp flesh as diets for the Banana shrimp broodstock resulted in the observation of maturation in 22 and 24 days, respectively. Similarly, squid diet also recorded the highest (p = 0.002; p < 0.05) sperms count (58.6 to 74.5) as compared to fish diet (44.0 to 61.3) or shrimp diet (28.0 to 42.8). Also, feeding squid diet resulted in a higher percentage of live sperms with ranged between 97.75% to 98.80%. On the other hand, broodstocks fed fish and squid flesh was observed with ranges of between 96% to 97.86% and 92.54% to 96.06%, respectively. It was therefore concluded that squid diet was most effective to improve sperm quality, quantity and maturation period in male broodstock of P. merguiensis. Further study should be carried on the reproductive performance of broodstock fed with squid as diets and it effect on the performances of post larvae obtained.

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Section: Discussionsupporting

confidence: 76%

Gonad Quality of Banana Shrimp Male Broodstock Penaeus merguiensis (DeMan, 1888) Fed Different Natural Diets

Matmor¹,

Manan²,

Azman³

et al. 2022

TLSR

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“…The water temperature of the system (26–27 °C) was controlled by a heat pump. Each week, approximately 10% of the system volume was replaced with new, sterilized ocean water (35 g L −1 salinity) (Callan & Laidley 2010). Water quality parameters (temperature, salinity, DO, pH, NH 3 , NO 2 and NO 3 ) were monitored weekly and additional water changes were performed if water quality deteriorated.…”

Section: Methodsmentioning

confidence: 99%

Examination of broodstock diet effects on egg production and egg quality in flame angelfish (Centropyge loriculus)

Callan

Laidley

Forster

et al. 2011

Aquaculture Research

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This study was conducted to determine the e¡ects of broodstock diet on £ame angel¢sh (Centropyge loriculus) reproduction and generate baseline spawning performance (mean fecundity, egg fertilization, egg viability) and egg biochemistry data for this species. Sixteen £ame angel¢sh broodstock pairs were maintained on one of three formulated diets or a raw diet (consisting of squid, shrimp, ¢sh eggs and algae) to determine the e¡ect of diet composition on the fecundity, egg fertilization rates and egg viability over a 7-month period. Although all the diets supported similar mean spawn frequency and fecundity over the duration of the experiment, the mean fertilization rates and egg viability were signi¢cantly greater among pairs receiving the raw diet. Egg fatty acid composition was generally re£ective of the maternal diet and similar to the values reported for other tropical species. In particular, dietary factors such as n-3 highly unsaturated fatty acid and ARA level (which were elevated in the raw diet and eggs from ¢sh receiving that treatment) are correlated with egg quality and are therefore worthy of future investigation. Because of the ease of conditioning, adaptability to varied formulated diets and continuous, sustained reproductive output, £ame angel¢sh are an excellent model for examining the factors a¡ecting marine ¢sh egg and larval quality.

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“…This system allowed us to examine dietary effects on daily reproductive output, egg quality and hatchery performance. The small size of the fish and ability to spawn on a daily basis year‐round make it an ideal candidate for bioassay of environmental and dietary parameters (Laidley, Callan, Burnell, Liu, Bradley, Bou & Shields ; Callan & Laidley ; Callan et al . ).…”

Section: Introductionmentioning

confidence: 99%

The effects of dietary HUFA level on flame angelfish (Centropyge loriculus) spawning, egg quality and early larval characteristics

et al. 2012

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This study was conducted to determine the effects of dietary highly unsaturated fatty acids (HUFA) on flame angelfish (Centropyge loriculus) reproduction, and egg and larval quality. In the experiment, formulated diets containing 1.8, 2.9 or 3.6% n-3 HUFA were fed to flame angelfish broodstock (n = 4) for 5 months. Mean fecundity (daily egg production), egg fertilization rates and embryo viability were used as indicators of egg quality. In addition, mean egg diameter, oil globule diameter, per cent hatch, larval size at hatch, per cent survival to yolk exhaustion and larval size at yolk exhaustion were recorded for each treatment. Flame angelfish fed the diet containing 3.6% n-3 HUFA exhibited significantly increased fecundity, fertilization rates and embryo viability than fish that were fed the other two formulated diets. Egg diameter, egg oil globule diameter, larval size at hatch, larval survival to yolk exhaustion and larval size at yolk exhaustion from the 3.6% n-3 HUFA broodstock treatment group were not significantly different from those derived from the Control broodstock treatment. These data revealed that flame angelfish egg quality could respond rapidly (within weeks) to maternal dietary changes. Results from this study further support that dietary HUFA composition can significantly affect broodstock reproductive performance as well as subsequent performance of eggs and larvae.

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The effects of water source and secondary water treatment on flame angelfish Centropyge loriculus (Günther) reproduction

Cited by 5 publications

References 7 publications

Gonad Quality of Banana Shrimp Male Broodstock Penaeus merguiensis (DeMan, 1888) Fed Different Natural Diets

Gonad Quality of Banana Shrimp Male Broodstock Penaeus merguiensis (DeMan, 1888) Fed Different Natural Diets

Examination of broodstock diet effects on egg production and egg quality in flame angelfish (Centropyge loriculus)

The effects of dietary HUFA level on flame angelfish (Centropyge loriculus) spawning, egg quality and early larval characteristics

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