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Cancro do pulmão: o desafio constante

Does a federal country need federal transfers when it has labor mobility?

JEL Classification: H77, R23, C33. ; The United States is recognized as a country where labor mobility between states is high. Usually, when some states experience periods of economic difficulties, people move to other states that offer better perspectives, which may alleviate depressions. In spite of this flexibility in the labor market, the Federal Budget still grants some significative amount of aid to the ...

Occurrence of Tetrameres confusa (Nematoda, Tetrameridae) in Ara ararauna (Psit...

Relata-se a ocorrência de Tetrameres confusa Travassos 1917 (= T. americana (Cram, 1927) Baylis, 1929) (Nematoda, Tetrameridae) em um novo hospedeiro, Ara ararauna Linnaeus, 1758 (Aves, Psittacidae). Este é o primeiro registro da ocorrência do nematódeo em psitacídeos no Brasil.

Strongyloides venezuelensis infection susceptibility of seven inbred strains of...

A trial was carried out to investigate the susceptibility of seven strains of mice to Strongyloides venezuelensis primary and secondary experimental infections, in order to provide the basis for genetic studies about resistance. Twelve six-week-old male inbred mice of the A/J, BALB/c, CBA/J, C3H/Hepos, C57BL/6, DBA/2 and NIH strains were infected s.c. with 2000 infective larvae. The mean worm counts (± SD) in t...

Parasitological characteristics and tissue response in the abomasum of sheep in...

A histopathological study was conducted on the abomasal mucosa of 40 Corriedale sheep exposed to natural infection with Haemonchus spp. The sheep were allowed to graze on contaminated pastures for 14 days and, after being housed for 28 days, they were slaughtered. Fecal samples were collected for fecal egg counts (FEC) and abomasum samples were obtained for histopathological examination and eosinophil, mast cel...