Pimelodidae comprises 114 valid species, whith few of them are cytogenetically characterized, mainly, especially with respect to molecular cytogenetics. In addition, the species taxonomic delimitation is still very imprecise ...

The analysis of demographic and genetic data is recommended for the success of conservation programs. The integration of this information to generate guidelines for establishing self-sustaining populations and retain the ...

Global declines in pollinators have served as the impetus for the widespread study of hymenopterans. The molecular processes controlling detoxification and antioxidant pathways are of supreme importance to insects that are ...

The PIT1 gene codes for the pituitary transcription factor Pit-1, which is critical for the activation of the expression of prolactin and growth hormone genes, in addition to participating in the activation of PIT1 itself. The ...

The sheep production has been growing surprinsingly in the last years in Brazil, but in despite of this, it can not be considered competitive yet, principally because the lack of structure and organization of the sector. ...

Canchim is a synthetic breed that has been used in the beef cattle industry as an alternative for production intensification. However, this breed has poor fat deposition. Therefore researches have been done with the objective ...

Brazilian livestock production presents great impact for the national agriculture, possessing the largest bovine commercial herd of the world. However, the productivity is low and gastrintestinal diseases caused by Haemonchus ...

Several Psittacidae species, as those of Ara genus, have biological characteristics frequently associate with extinction risk. These include corporal size, specialized food preferences, low rate of population growth, ...

Dourado (Salminus brasiliensis Cuvier, 1816) is an excellent migratory fish, possessing large body and wide distribution in South America, with presence in Paraná, Uruguay, Paraguay and La Plata River Basins (Argentina, ...

To remain competitive in the market of meat production, it is crucial that the Brazilian producer is aware of the criteria used by consumers for local and international markets. One factor that determines the beef quality ...