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1

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O2 uptake through water during early life of Heteropneustes fossilis (Bloch) (1981)

Sheel, Manju ; Singh, B. R.

Springer

Hydrobiologia 78 (1981), S. 81-86

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ISSN: 1573-5117

Keywords: metabolism ; oxygen uptake ; respiration

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Abstract The O2 uptake through water has been measured in case of Heteropneustes fossilis during development and growth and its relationship to body size established. A higher rate of O2 uptake during the early phase of ontogenesis is related to intense growth of the respiratory surface area and increasing metabolic demand of the fish. The logarithmic plot of data for O2 uptake in relation to body size shows a statistically significant two-component curve; one related to the fish when it is a fully aquatic breather and the other when it changes to bimodal gas exchange. The onset of the air breathing habit brings about a 40% drop in O2 uptake through water, which is made good through the newly developed air breathing organ.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00011944

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2

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Oxygen uptake through water during early life of Anabas testudineus (Bloch) (1979)

Mishra, A. P. ; Singh, B. R.

Springer

Hydrobiologia 66 (1979), S. 129-133

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ISSN: 1573-5117

Keywords: Metabolism ; oxygen uptake ; Respiration

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Abstract The O2 consumption (mg/hr) through water in case of Anabas testudineus during development and growth has been measured and its relationship to body weight or length studied. The logarithmic plot of 02 uptake through water either against body weight or length suggested a statistically significant (P 〉 3.53) two-component curve, the point of intersection being at 11 mg body weight and 1.78 cm body length. These are the theoretical values of weight or length at which the responsibility of supplementing nearly 40% of the total O2 demand through the newly developed air breathing organ falls in the early life of the fish. One of the impelling causes forcing developing fry of Anabas to adopt a bimodal gas exchange machinery seems to be 4 fold increase in the diffusion distance at the gills.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00032041

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3

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Oxygen uptake through water during early life in Channa punctatus (Bloch) (Pisces; Ophicephaliformes) (1982)

Singh, R. P. ; Prasad, M. S. ; Mishra, A. P. ; [et al.]

Springer

Hydrobiologia 87 (1982), S. 211-215

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ISSN: 1573-5117

Keywords: respiration ; oxygen uptake ; metabolism

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Abstract Oxygen uptake in relation to body size during the early life of the fish Channa punctatus shows a significant two-component curve: one related to the fully aquatic phase and the other to the bimodal phase of respiration. The onset of the air-breathing habit around the 18–20th day after hatching brings about a 45% drop in O2 uptake through the gill/skin in water.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00007230

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4

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TLC Separation of potential antifertility agents: N-aryl-N′-2(p-methoxybenzoylbenzofuranyl)thiosemicarbazones (1977)

Upadhyaya, J. S. ; Singh, B. ; Upadhyaya, S. K.

Springer

Fresenius' Zeitschrift für analytische Chemie 285 (1977), S. 270-270

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ISSN: 1618-2650

Keywords: Trenn. von Aryl-p-methoxybenzoylbenzofuranyl-thiosemicarbazonen, Contraceptiva ; Chromatographie, Dünnschicht

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00453591

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5

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TLC separation of potential antithyroid agents: N-aryl-N′-2(benzimidazolyl)thiocarbamides (1977)

Upadhyaya, J. S. ; Upadhyaya, S. K. ; Singh, B.

Springer

Fresenius' Zeitschrift für analytische Chemie 286 (1977), S. 254-254

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ISSN: 1618-2650

Keywords: Trenn. von Arylbenzimidazolyl-thiocarbamiden, Antithyroide Mittel ; Chromatographie, Dünnschicht

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01155610

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