Results 121 to 130 of about 636,367 (247)
Charles M. Breder, Jr.: Atlantis Expedition, 1934 [PDF]
, 2004 Dr. Charles M. Breder participated on the 1934 expedition of the Atlantis from Woods Hole, Massachusetts to Panama and back and kept a field diary of daily activities. The Atlantis expedition of 1934, led by Prof. A. E.
Cantillo, A. Y. +3 more
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Oxygen Availability and Embryonic Development in Sand Snail (Polinices Sordidus) Egg Masses [PDF]
Journal of Experimental Biology, 1995 ABSTRACT The oxygen transport physiology of sand snail Polinices sordidus egg masses was investigated using oxygen microelectrodes and open-flow respirometry. P. sordidus eggs are laid in a jelly matrix that rapidly absorbs water and swells into a horseshoe-shaped sausage. The average diameter of these sausages is 37 mm.
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Memorias do Instituto Oswaldo Cruz, 1997 The following hypotheses were tested for groups of simultaneous hermaphrodites Biomphalaria tenagophila: (a) snails that have low reproductive success during the process of self-fertilization do not increase their reproductive success after the end of ...
Freitas June Springer de +2 more
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Technical note: Sustainable snail meal enhances duck egg production and health
Poultry ScienceThis study evaluated the effects of replacing soybean meal with snail meal on laying performance, egg quality, and blood parameters in laying ducks. Five experimental diets with graded levels of soybean meal replacement by snail meal were formulated: T0 (0% replacement), T1 (25% replacement), T2 (50% replacement), T3 (75% replacement), and T4 (100 ...
Yunqian He, Saikun Pan, Shengjun Wu
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Aquaculture Asia, Vol.13, No.3, pp.1-60, July-September 2008 [PDF]
, 2008 Comments on possible improvements to carp culture in Andhra Pradesh. Aquaculture and environmental issues in the region of Nai Lagoon, Ninh Hai district,Ninh Thuan province, Viet Nam. Climate change impacts on fi sheries and aquaculture.
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SCHISTOSOMIASIS AND WATER RESOURCES DEVELOPMENT: A RE-EVALUATION OF AN IMPORTANT ENVIRONMENT-HEALTH LINKAGE [PDF]
Many people argue that water resource development projects have negative health effects. In particular, they claim that an increase in schistosomiasis almost automatically results from building dams, irrigation systems, and other water-related activities
Grosse, Scott
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Modelación matemática del consumo de presas y el flujo de energía asociado a la reproducción de Rostrhamus sociabilis (Aves, Falconiformes) [PDF]
Animal Biodiversity and Conservation, 2017 Mathematical model of prey consumption and energy flow associated with breeding in Rostrhamus sociabilis (Aves, Falconiformes) The snail kite (Rostrhamus sociabilis) is a bird of prey that has permanent populations and is fairly common in Cuba.
Denis, D., Rodríguez–Ochoa, A.
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Italian Journal of Animal ScienceGolden apple snail eggs (GASE) is a potential natural source of astaxanthin, a carotenoid with notable antioxidant properties. However, the presence of antinutrients within GASE raises concerns regarding their effective utilisation in animal diets.
Suluh Nusantoro +4 more
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A survey of coccidian infection (Apicomplexa: Eimeriidaea) of freshwater fish in South Africa [PDF]
, 2005 Fish coccidia, especially Goussia and Eimeria spp., are common and frequent parasites of fish. The majority of the known species has been described from the Eurasian continent.
Avenant-Oldewage, Annemarie +2 more
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Perfomances de reproduction de l'escargot géant africain Archachatina marginata en captivité au Cameroun [PDF]
Tropicultura, 2008 Reproductive and Growth Performances of African Giant Snail Archachatina marginata in Captivity in Cameroon. A study was carried out in the University of Dschang situated in the Soudano-Guinean Western highland of Cameroon with the aim of evaluating the ...
Tchoumboue, J. +4 more
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