Results 91 to 100 of about 10,107 (221)

DETERMINACIÓN DE LA CONCENTRACIÓN LETAL MEDIA (CL50) Y EFECTO HISTOPATOLÓGICO DEL PERMANGANATO DE POTASIO, EN RENACUAJOS DE RANA TORO Rana catesbeiana (Anura:Ranidae)

open access: yesEcosistemas y Recursos Agropecuarios, 2014
El permanganato de potasio es utilizado como un biocida en cultivos intensivos. Para conocer un poco más su efecto, se llevó a cabo un estudio con renacuajos de la especie Rana catesbeiana (Shaw, 1802) con el objetivo de conocer la concentración letal ...
R Sima-Álvarez   +3 more
doaj   +1 more source

An Amphibian Survey of Killbuck Marsh Wildlife Area, Ohio [PDF]

open access: yes, 2005
Author Institution: Dept of Biology, University of Montevallo, ALAuthor Institution: Dept of Biology, John Carroll University, OHAuthor Institution: Biology Dept, Bowdoin College, MEWe surveyed Killbuck Marsh Wildlife Area, Ohio, for amphibians during a ...
Anthony, Carl A.   +2 more
core  

Níveis de energia digestível na ração de girinos de rã-touro.

open access: yesRevista Brasileira de Saúde e Produção Animal, 2005
RESUMO: Foi realizado um experimento para verificar os efeitos dos níveis de energia digestível na ração para girinos de rã-touro (Rana catesbeiana, Shaw, 1802) sobre o desenvolvimento e composição da carcaça dos animais.
Ricardo Castelo Branco Albinati   +2 more
doaj  

Osmotic Effects on Mitochondria from Two Species of Amphibian, Bufo marinus and Rana catesbeiana

open access: yes, 1991
The effects ql ionic and/or osmotic change on skeletal muscle mitochondrial performance were investigated. Two substrates, pyruvate and glutamate, and variation in osmotic pressure from 205 to 360 mosm in KCl or mannitol/sucrose media had no effect on ...
Duerr, Jeff
core   +1 more source

Influência da Temperatura Ambiente no Desempenho da Rã-touro, Rana catesbeiana (Shaw, 1802) na Fase de Recria

open access: yesRevista Brasileira de Zootecnia, 2001
Um experimento foi conduzido com o objetivo de avaliar o efeito da temperatura ambiente no desempenho da rã-touro na fase de recria. Foram utilizadas 405 rãs com peso médio inicial de 37,5±1,5 g, em um delineamento experimental inteiramente casualizado ...
Luís Gustavo Tavares Braga   +1 more
doaj  

Elevage commercial de grenouilles en Malaisie [PDF]

open access: yesTropicultura, 1997
Commercial Frog Production in Malaysia. Commercial frog farms exist in several countries. It seems hopeless believing that frog leg consumption can be prohibited, and the solution is probably a very strict control of the origin of the legs sold and ...
Hardouin, J.
doaj  

Heritability Estimates for Growth Traits and Correlation Analysis between Weight and Metamorphosis Rate in the Bullfrog Rana (Aquarana) catesbeiana

open access: yesFishes
Metamorphosis is a crucial process in the life cycle of Rana (Aquarana) catesbeiana. R. catesbeiana tadpoles, in their short larval period, possess a high survival rate and also a highly competitive ability in the amphibious stage.
Wencheng Xu   +6 more
doaj   +1 more source

Anuran Activity Energetics [PDF]

open access: yes, 1982
This thesis presents two separate experiments concerning aerobic and anaerobic amphibian energetics. The first study (Part I) investigates differential alterations in the kinetics of the anaerobic enzyme lactate dehydrogenase, in nine species of anurans ...
Landrey, Scott R.
core   +1 more source

Cardiovascular, respiratory and metabolic responses to temperature and hypoxia of the winter frog Rana catesbeiana

open access: yesBrazilian Journal of Medical and Biological Research, 1997
The objective of the present study was to determine the effects of hypoxia and temperature on the cardiovascular and respiratory systems and plasma glucose levels of the winter bullfrog Rana catesbeiana.
Rocha P.L., Branco L.G.S.
doaj  

HISTOLOGICAL STUDIES OF BREWERY SPENT GRAINS IN DIETARY PROTEIN FORMULATION IN DONRYU RATS [PDF]

open access: yes, 2010
The increasing production of large tonnage of products in brewing industries continually generates lots of solid waste which includes spent grains, surplus yeast, malt sprout and cullet.
Ajanaku, K. O.   +5 more
core  

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