Results 51 to 60 of about 21,970 (182)

Hox Gene Variation Drives Morphological Specialization of Humpback Grouper Cromileptes altivelis

open access: yesIntegrative Zoology, EarlyView.
Cromileptes altivelis exhibits a distinctive “sunken head and humpback” morphology, formed through cranial remodeling. Genetic analyses identified unique amino acid variants in Hoxa7a and Hoxa10b, with functional tests confirming their role in enhancing osteoblast activity and driving cranial remodeling.
Xiaoying Cao   +4 more
wiley   +1 more source

O uso de praguicidas nas pisciculturas e pesqueiros situados na bacia do rio Mogi-Guaçu

open access: yesBoletim do Instituto de Pesca, 2018
O uso de praguicidas vem sendo a principal forma de combater os ectoparasitas que ameaçam a produtividade aquí­­cola. O uso indiscriminado destas substí­¢ncias pode ocasionar danos aos ecossistemas aquáticos que recebem os efluentes dos tanques ...
Ricardo LUVIZOTTO-SANTOS   +3 more
doaj  

DIGESTIBILIDADE DO AMIDO E DISPONIBILIDADE DE Ca e P EM ALIMENTOS ENERGÉTICOS EXTRUSADOS PARA A TILÁPIA DO NILO (Oreochromis niloticus)

open access: yesCiência Animal Brasileira, 2011
O coeficiente de digestibilidade aparente (CDA) do amido e a disponibilidade aparente do cálcio (Ca) e fósforo (P) de cinco alimentos energéticos (milho, farelo de trigo, quirera de arroz, farelo de arroz e sorgo) foram avaliados para a tilápia do Nilo ...
Igo Gomes Guimaraes   +4 more
doaj   +1 more source

Genome Expansion of ZPB1(a) and ZPC1(a) in Basal Species or Liver Expression of ZPB1a and ZPC1aa in Advanced Species, Two Different Strategies to Ensure Sufficient ZP Synthesis in Teleosts

open access: yesIntegrative Zoology, EarlyView.
We found that teleosts employed two different strategies to ensure sufficient ZP (zona pellucida) synthesis: expansion of ZPB1(a) and ZPC1(a) in basal species or liver expression of ZPB1a and ZPC1aa in advanced species. The N‐terminus of expanded ZPB1(a) or ZPC1(a) and liver‐expressed ZPB1a contains repeated units or low‐complexity regions to form ...
Tian Gao   +8 more
wiley   +1 more source

Metabolome Diversity Enhances Resistance of Intertidal Clams to Thermal Stress

open access: yesIntegrative Zoology, EarlyView.
Meretrix species are widely distributed intertidal bivalves in China with significant ecological and economic importance, which are sensitive to thermal stress. Our results showed that thermal environments of clam habitats shaped metabolome diversity, which can enhance the resistance of intertidal clams to thermal stress.
Zhi Hu   +5 more
wiley   +1 more source

Hematologia de Oreochromis niloticus: Comparação entre peixes mantidos em piscicultura consorciada com suí­­nos e em pesque-pague no vale do Rio Tijucas, Santa Catarina, Brasil

open access: yesBoletim do Instituto de Pesca, 2018
Neste trabalho foram avaliadas as caracterí­­sticas hematológicas da tilápia Oreochromis niloticus proveniente de viveiro de pesque-pague e de viveiro de piscicultura consorciada com suí­­nos entre agosto de 2003 e julho de 2004.
Tatiana Maslowa P. de Azevedo   +3 more
doaj  

Caracterização genética de seis plantéis comerciais de tilápia (Oreochromis) utilizando marcadores microssatélites Genetic characterization of six commercial stocks of tilapia (Oreochromis spp) using microsatellite markers

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006
Foram caracterizados geneticamente, utilizando-se cinco locos de microssatélites, 235 indivíduos de seis plantéis de tilápia (Ceará, Chitralada, Israel, Nilótica, Taiwan e Vermelha) da região Sudeste do Brasil.
D.C. Melo   +7 more
doaj   +1 more source

Gonadal Development–Related Genes and a Male‐Specific Genetic Marker Identified in the Endangered Sichuan Taimen (Hucho bleekeri)

open access: yesIntegrative Zoology, EarlyView.
Integrated transcriptomic and proteomic analyses were used to validate gonadal development–related genes and to identify a sex‐specific molecular marker in Hucho bleekeri. ABSTRACT Sex determination and differentiation represent fundamental topics in reproductive biology. Sichuan taimen (Hucho bleekeri), a first‐class national protected fish species in
Qinyao Wei   +5 more
wiley   +1 more source

Farinha de resíduos da indústria de filetagem de tilápias como fonte de proteína e minerais para alevinos de tilápia-do-nilo (Oreochromis niloticus) Effects of feeding meal of fish filleting industrial waste as protein and mineral source for nile tilapia (Oreochromis niloticus L.) fries

open access: yesRevista Brasileira de Zootecnia, 2005
Neste trabalho, objetivou-se avaliar a utilização da farinha de resíduos da indústria de filetagem de tilápias (FR) como fonte de proteína e de minerais em rações práticas na alimentação de alevinos de tilápia do Nilo.
Wilson Rogério Boscolo   +4 more
doaj   +1 more source

Using Long‐Term Monitoring Data to Assess Temporal Patterns in Fish Community Assemblages in Florida Lakes

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT In an effort to increase the relevancy of fish community data for management, we used fish community data to conduct a statewide assessment of Florida's freshwater fisheries resources and compare the relationships between environmental factors and freshwater fish communities over time.
Kimberly I. Bonvechio   +2 more
wiley   +1 more source

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