Study of fecundity and induced breeding of &lt;i&gt;Mystus vittatus&lt;/i&gt;

Islam, SM Majharul; Shah, Md. Saifuddin; Rahi, Md. Lifat

doi:10.3329/bjz.v39i2.10587

Cited by 16 publications

(16 citation statements)

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“…The maximum absolute fecundity (12338.57 ± 1241.04) was found in the length group of 11.5-14 cm and the minimum (6965±889.38) in 6.5-9.0 cm. The fecundity was found increased with the increase in length of the M. dibrugarensis that similar with the findings of Azadi et al (1987), Siddique et al Islam et al (2011) and Gupta (2013). Monthly, highest absolute fecundity (7026±2200) and relative fecundity (830.2 ±167.8) was found in April and lowest absolute fecundity (411±154.7) and relative fecundity (44 ± 22.7) in August.…”

Section: Resultssupporting

confidence: 89%

“…male was observed more actively involved in courtship. The same phenomenon was also reported by Alam et al (2006) and Islam et al (2011). Spawning occurred after 2-3 hr.…”

Section: Resultssupporting

confidence: 88%

“…generating foreign exchange (Das and Kalita, 2003). Therefore, to save species from its extinction through induced breeding a complete knowledge about its biology including breeding behaviour, fecundity, fertilization and hatching through captive breeding is also essential (Islam et al, 2011).…”

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confidence: 99%

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Spawning Biology and Induced Breeding of freshwater catfish Mystus dibrugarensis: An approach to conservation

Bailung

Biswas

2017

Preprint

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Spawning biology of hormone induced bagridae catfish, Mystus dibrugarensis was observed in captive condition. Active involvement of male in courtship after 5-9 hr. of hormone administration was observed. Different doses of ovaprim 0.4, 0.6, 0.8, 1.0 ml/kg were used by maintaining 1:1, 2:1 and 3:1 ratio of M:F. All female successfully bred in all the condition in more or less amount. Overall 24.5-77.5% fertilization and 12-76% hatching rate was observed. However, considering the rate of fertilization, and hatching success in the present case, at 0.8 ml/kg body weight and sex ratio 2♂: 1 ♀ seems ideal for induced breeding of M. dibrugarensis. Apart from induced breeding certain reproductive aspects were also studied in the present experiment.

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Section: Resultssupporting

confidence: 89%

“…male was observed more actively involved in courtship. The same phenomenon was also reported by Alam et al (2006) and Islam et al (2011). Spawning occurred after 2-3 hr.…”

Section: Resultssupporting

confidence: 88%

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Spawning Biology and Induced Breeding of freshwater catfish Mystus dibrugarensis: An approach to conservation

Bailung

Biswas

2017

Preprint

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“…But hatching was occurred in confined water. Islam et al [4] observed 57-80% fertilization rate and 32-56% hatching rate in case of Mystus vittatus with different doses of hormone ranging from 4-6 mg/kg in male and 8-12 mg/kg in female. Ray, 2005 found 90% fertilization rate that yielded hatchings about 80% of fertilized eggs in Mystus gulio.…”

Section: Experimental Lay-outmentioning

confidence: 99%

“…However, scientific information on the spawning season and induced breeding of Mystus species are limited in literature. The few published works available are Ray [3][4][5][6][7]. Up to now there is no information on the reproductive biology and captive breeding of Mystus dibrugarensis.…”

Section: Introductionmentioning

confidence: 99%

Successful Induced Breeding of a Bagrid Catfish, Mystus Dibrugarensis in Captive Condition

SP¹

2014

J Aquac Res Development

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Four induced breeding exercises on the Bagrid catfish species, Mystus dibrugarensis were conducted in Chinese circular eco hatchery system. Experiment was conducted in two conditions. One in breeding pool (marked as A) with continuous showering of water and another was one in round tank having duck mouth at floor (marked as B) and maintaining a mild water circulation. Synthetic hormone, ovaprim was used to induce the species at different doses (0.4-0.6 mg/kg) in each breeding trial. Spawning was observed after a latency period of 5-8 h under an optimum temperature ranged of 27-29°C. Dissolved oxygen level was found different in both experimental conditions. The egg output was recorded in tank 'A' was 2786-4765 no. and tank 'B' was 1217-1893 no. Fertilization rate was recorded between 34.83-77.54% in tank 'A' and 55.87-58.32%. Hatching rate was also recorded as 20.61-74.32% in tank 'A' and 41.49-46.06% in tank 'B'.

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Effects of ammonia on the cellular, physiological, biochemical and genetic traits of Indian major carp (Labeo rohita) fry in artisanal Bangladeshi aquaculture

Zeehad,

Mridul,

Chakrobortty

et al. 2024

Aquaculture Fish & Fisheries

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The major carp Rohu (Labeo rohita) is a prime freshwater aquaculture species across the Indian subcontinent that faces various production‐related issues associated with water quality parameters. The present study examined the effects of three different doses of NH3 (T1 = 1 mg/L, T2 = 2 mg/L and T3 = 3 mg/L) on cellular (gill ultrastructure), physiological (growth and oxygen consumption rate), biochemical (blood cell counts, blood cortisol and glucose levels) and genetic (expression of five genes involved in growth, immunity and metabolism) traits of Rohu. The experimental ammonia dose significantly affected the tested biological parameters (p < 0.05), causing moderate‐to‐severe gill tissue damage. In general, compared with those in the control group, 16%–25% slower growth, 12%–30% lower survival and 15%–56% higher O2 consumption were observed for the treatment groups. Blood glucose and cortisol levels increased with increasing ammonia levels, but blood cell counts decreased. The five selected candidate genes showed a differential expression pattern in response to the ammonia dose, with higher expression in the control group and lower expression in the treatment groups. The results indicate that different concentrations of ammonia impose stress on different orders of magnitude in the experimental fishes. Therefore, it can be inferred that the presence of ammonia in aquatic/farming environments can adversely affect production performance; the severity of damage during production depends on the concentration of ammonia. Therefore, maintaining no or minimum ammonia levels in farming environments is urgently needed for sustainable aquaculture production of Rohu.

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Study of fecundity and induced breeding of <i>Mystus vittatus</i>

Cited by 16 publications

References 1 publication

Spawning Biology and Induced Breeding of freshwater catfish Mystus dibrugarensis: An approach to conservation

Spawning Biology and Induced Breeding of freshwater catfish Mystus dibrugarensis: An approach to conservation

Successful Induced Breeding of a Bagrid Catfish, Mystus Dibrugarensis in Captive Condition

Effects of ammonia on the cellular, physiological, biochemical and genetic traits of Indian major carp (Labeo rohita) fry in artisanal Bangladeshi aquaculture

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