Histological, histochemical and biochemical characterization of larval digestive system ontogeny in black tetra Gymnocorymbus ternetzi to inform aquaculture weaning protocols

Lipscomb, Taylor N.; Yanong, Roy P.; Ramee, Shane W.; DiMaggio, Matthew A.

doi:10.1016/j.aquaculture.2020.734957

Cited by 22 publications

(32 citation statements)

References 35 publications

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“…A study of the characid black tetra Gymnocorymbus ternetzi reported successful larva weaning prior to gastric differentiation, which results in reduced dependence on Artemia during early stages of rearing (Lipscomb, Yanong, Ramee, & DiMaggio, 2020). Interaction of intestine and liver function is assumed to be a key factor for growth and welfare of farmed fish.…”

Section: Discussionmentioning

confidence: 99%

Effect of feeding strategy on survival, growth, intestine development, and liver status of maraena whitefish Coregonus maraena larvae

Stejskal

Gebauer

Sebesta

et al. 2021

J World Aquaculture Soc

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Optimizing larval rearing protocols is critical to successful intensive fish culture. We compared the efficacy of feeding strategies for larvae of maraena whitefish Coregonus maraena, a promising candidate for intensive aquaculture. Survival, growth indicators, intestine development, and liver status were compared in larvae fed live feed, commercial dried feed, and weaned from live to dried feed at 5, 10, 15, 20, or 25 days post hatching (dph). Seven experimental groups in three repetitions used 5,250 larvae (2 dph, initial body weight = 7.4 ± 0.1 mg; initial total length = 13.0 ± 0.1 mm). This 30‐day trial showed initial weaning from live feed (Artemia sp.) to artificial diet after 15 days to be the optimal, with beneficial effects on growth, body weight, and larva yield. No differences in survival rate, size heterogeneity, and or condition factor were observed among groups. Live feed and weaning to artificial diet at the appropriate time was beneficial to intestine development, while feeding on artificial feed only was associated with severe intestine impairment. Liver pathology was not seen in any group.

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Section: Discussionmentioning

confidence: 99%

Effect of feeding strategy on survival, growth, intestine development, and liver status of maraena whitefish Coregonus maraena larvae

Stejskal

Gebauer

Sebesta

et al. 2021

J World Aquaculture Soc

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“…In altricial larval species, the introduction of MDs prior to the onset of acid protease activity in lieu of live feed items has been largely unsuccessful, primarily due to the insufficient hydrolysis of large, water-insoluble proteins found in MDs by trypsin alone (Rønnestad et al 2003;Santamaría et al 2004;Faulk et al 2007;Faulk and Holt 2009;Lipscomb et al 2020b). This is in contrast to the case of larval cyprinids, which never develop a stomach but have been successfully reared on manufactured diets from first feeding (Dabrowski and Poczyczyński 1988;Abi-Ayad and Kestemont 1994;Kolkovski 2001).…”

Section: Discussionmentioning

confidence: 99%

“…Microparticulate diets are not only more convenient than Artemia and require less labor; they are also subject to less market volatility, can be formulated according to a species' nutritional requirements, and are more biosecure (Kolkovski 2001;Hamre et al 2013). Although these attributes are compelling, the underdevelopment of the digestive system in altricial/agastric larval fish has led to widespread failure in introducing MDs from first feeding (Cahu and Zambonino Infante 2001;Faulk and Holt 2009;Thompson et al 2019;Lipscomb et al 2020b). Additionally, the early introduction of MDs has been reported to increase heterogeneity of growth, potentially leading to increased rates of cannibalism in predatory fish species (Kestemont et al 2003).…”

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confidence: 99%

Investigations into Early Larval Feeding Practices for the Tiger Barb Puntigrus tetrazona

et al. 2021

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The Tiger Barb Puntigrus tetrazona is one of the highest trade volume freshwater species in the ornamental fish industry. Culture of larval Tiger Barb is largely dependent on live feeds at first feeding and throughout early life stages, leading to increased cost relative to the use of commercially produced microparticulate diets (MDs). Potential for the successful culture of Tiger Barb by using MDs from first feeding was evaluated here, with a focus on the physiological characteristics that limit digestive capacity in larval cyprinids, as well as the hypothetical benefit of including feed attractants in formulated larval feeds. Comparable growth and survival were achieved for the first 14 d of feeding with one of three MDs when compared to feeding with brine shrimp Artemia spp. Histological preparation revealed evidence for a fully functional pharyngeal jaw structure, including pharyngeal teeth and a pharyngeal pad, from 6 d posthatch, which coincided with first feeding. The masticatory function of these structures likely facilitated the breakdown and subsequent utilization of the relatively complex macronutrients that are characteristic of MDs. Inclusion of top-coated potential attractants (tryptophan, taurine, trimethylglycine betaine, or a mix of the three) with the most successful MD from the original trial failed to induce an increased feeding response, as evidenced by the observation of similar feeding incidence, total larval protein content, and tryptic enzyme activity relative to a negative control MD without added attractants. The results of this research suggest that the successful culture of larval Tiger Barb is possible with the use of commercially available MDs, potentially leading to cost savings and increased resilience of producers in the ornamental aquaculture industry.

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“…Las demandas nutritivas de las larvas en la primera alimentación, requieren de un complejo enzimático digestivo eficiente que luego de la deglución, permita asimilar y digerir el alimento suministrado para estimular un óptimo crecimiento y desarrollo tras la reabsorción del saco vitelino (Zambonino & Cahu, 2001;Khoa et al, 2019). Dado que esta eficiencia depende principalmente del tipo y la función de las enzimas digestivas, el estudio de la fisiología digestiva en larvas de peces ha ganado gran atención (Moguel-Hernández et al, 2016;Gao et al, 2017;Khoa et al, 2019;Lipscomb et al, 2020).…”

Section: Principales Enzimas Digestivas En El Desarrollo De Larvas De...unclassified

“…No obstante, debido al desarrollo incipiente de órganos especializados en la liberación constante y abundante de enzimas como el páncreas, hígado y ciegos pilóricos, así como la formación incompleta de un estómago funcional o estructuras que cumplan funciones similares, la actividad enzimática inicial puede que no sea suficiente para la digestión de las dietas formuladas (Kolkovski, 2001), ya que, en muchas larvas de peces, la mayor actividad de las enzimas que logran hidrolizar y procesar el alimento inerte, principalmente pepsina, se presenta una vez el estómago es completamente funcional (Portella et al, 2014). En este sentido, la digestión de los principales nutrientes durante los primeros DPE, es un proceso del que se tiene limitado conocimiento y que ha sido centrado generalmente, en el intestino medio y en el tercio posterior del tracto digestivo, donde normalmente estas enzimas hidrolizan proteínas, carbohidratos y lípidos secretadas de la mucosa intestinal (proteasas como pepsina), los ciegos pilóricos (lipasas, carbohidrasas y proteinasas), el páncreas (quimotripsinas, tripsinas, fosfolipasas, amilasas, maltasas y lipasas), entre otros (Rønnestad et al, 2013;Ruales et al, 2018;Lipscomb et al, 2020). La actividad inicial y máxima de estas enzimas para algunas larvas, se presentan en la Tabla 2.…”

Section: Principales Enzimas Digestivas En El Desarrollo De Larvas De...unclassified

Desarrollo ontogénico y principales enzimas del sistema digestivo en fases tempranas de peces

Oviedo-Montiel¹,

Ortiz-Acevedo²,

Estrada-Posada

et al. 2021

Orinoquia

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Son muchos los factores que influyen en la producción de larvas y alevinos de peces, destacándose la temperatura, la calidad del agua, la especie, el estado nutricional, la calidad y cantidad del alimento disponible durante la primera alimentación, entre otros. Dicho alimento debe sostener los diferentes cambios fisiológicos y estructurales en el desarrollo de órganos y sistemas. El sistema digestivo es uno de los más importantes durante las fases tempranas de peces, debido a que es donde se da la principal absorción de nutrientes suficientes para el crecimiento y el desarrollo. No obstante, existen diferencias en el desarrollo entre las especies, considerando así, el estudio ontogénico del tracto digestivo una herramienta útil para determinar el momento oportuno de la formación de los diferentes órganos. En este sentido, conocer y entender el manejo de la primera alimentación y cómo influye en el desarrollo del sistema digestivo de larvas es un aspecto fundamental en el éxito de la producción de larvas de calidad y resistencia. Por lo tanto, el objetivo de esta revisión es ofrecer información actualizada sobre el desarrollo ontogénico y principales enzimas del sistema digestivo, así como la influencia del tipo de alimento en el desarrollo de las larvas de peces.

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Histological, histochemical and biochemical characterization of larval digestive system ontogeny in black tetra Gymnocorymbus ternetzi to inform aquaculture weaning protocols

Cited by 22 publications

References 35 publications

Effect of feeding strategy on survival, growth, intestine development, and liver status of maraena whitefish Coregonus maraena larvae

Effect of feeding strategy on survival, growth, intestine development, and liver status of maraena whitefish Coregonus maraena larvae

Investigations into Early Larval Feeding Practices for the Tiger Barb Puntigrus tetrazona

Desarrollo ontogénico y principales enzimas del sistema digestivo en fases tempranas de peces

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