Labeo rohita is an extensively studied fish and contributes to a considerable proportion of fish production in India. Monsoon dependent breeding restricts its seed production beyond season indicating a strong genetic control about which very limited information is available. Bonjour, J'ai mis dans mon aquarium de 120 l surpeuplé deux labeos bicolore il y a deux mois (grosse erreur mais belle surprise). Reproduction Male and female rohu attain first sexual maturity at two years of age and 50 percent maturity is attained at three years. Labeo rohita Picture by Jean-Francois Helias / Fishing Adventures Thailand.
of small oogonia (Figure 2) and this stage is called chromatin nucleolus stage of … The Indian major carp rohu (Labeo rohita) is one of the most commonly cultured freshwater fishes in Bangladesh. Cette gracieuse espèce fluviale Indo-Gangétique est indigène des rivières du nord et du centre de l’Inde, ainsi que de celles du Pakistan, du Bangladesh et du Myanmar. Abstract For a twelve week experiment, three varying crude protein levels (30, 35 and 40%) were considered to observe the growth and meat composition changes in Labeo rohita raised on six semi purified diets (T1: G, 30% CP; T2: NG, It is also known as rui, rohu, or roho labeo. A comprehensive list with the proper voucher numbers, the morphometric measurements is listed in Table 1. Figure 3. Figure 4. chrysophekadion: from the Ancient Greek χρυσός (khrusós), meaning ‘gold’, and phekadion, meaning ‘lens-shaped spots’, in allusion to the scales on the body of adults, each of which has a golden centre. Bangladesh.
Growth. Labeo rohita (Ham.) Labeo: from the Latin labeo, meaning ‘one with lips’, in allusion to the remarkably thick, fleshy lips in members of this genus. ... Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Labeoninae Etymology: Labeo: Latin, labeo = one who has large lips (Ref. Labeo rohita is the important food fish that belongs to the carp family Cyprinidae under order Cypriniformes of Class Actinopterygii. … 1.
Water pollution caused by heavy metals affects breeding and development in fishes of Harike wetland.
Complete maturity of male and female is observed at age four and five years respectively (Khan and Jhingran, 1975). also called rohu is the most important freshwater aquaculture species on the Indian sub continent.
This graceful Indo-Gangetic riverine species is the natural inhabitant of the riverine system of northern and central India, and the rivers of Pakistan, Bangladesh and Myanmar.
ovary of Labeo rohita from River Beas or control group.
Biologie de la reproduction Pour que la reproduction réussisse, l'emplacement où le poisson lâche ses œufs, la frayère , doit réunir les conditions optimales d' oxygénation , de température, de nourriture et doit être quasiment indemne de prédateurs.
Rohu (Labeo rohita) is the most important among the three Indian major carp species used in carp polyculture systems.This graceful Indo-Gangetic riverine species is the natural inhabitant of the riverine system of northern and central India, and the rivers of Pakistan, Bangladesh and Myanmar.
use, distribution, and reproduction in any medium, provided the original author and source are credited. Key words: Wetland, Industrial pollution, toxicity, Labeo rohita, oocytes. This species is mostly abundant in northern and central India, Bangladesh, Nepal, Myanmar and Pakistan (Talwar and Jhingran, 1991). The minimum size at first maturity of male is about 46 cm and in the case of female it is about 51 cm.
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