CV Lattes
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Universidade Estadual Paulista (UNESP). Campus de Botucatu. Instituto de Biociências (IBB) (Institutional affiliation from the last research proposal) Birthplace: Brazil
César Cristiano Bassetto in research grants and scholarships supported by FAPESP.
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Haemonchus contortus and Trichostrongylus colubriformis are the most important gastrointestinal nematodes causing serious losses in sheep production of tropical and subtropical regions. Prophylaxis of gastrointestinal nematode infections is based on anthelmintics use, but their frequent administration selects multiple-resistant parasites. To evaluate how the situation has changed over the…
The ovine helminthiasis caused by Haemonchus contortus is one of the main challenges in sustainable sheep production, leading to economic losses due to anemia, reduced weight gain, decreased production, and even animal mortality. The control of this parasite has become increasingly difficult due to the development of multiple resistance to anthelmintics, which reinforces the need for alte…
The aim of this study is to evaluate the efficacy of iron supplementation and the capacity of the erythrocyte response in lambs naturally infected with Haemonchus contortus. Twenty-two animals will be divided into two groups and will remain on pasture throughout the experiment. The animals' diet will be the same for both groups, consisting of commercial concentrate, provided at 1.5% of li…
Sheep farming is constantly growing in Brazil; however, its production suffers from losses caused by gastrointestinal nematodes, mainly by the species Haemonchus contortus. The excessive use of anthelmintics to control these parasites has led to severe anthelmintic resistance. In search of alternatives for controlling gastrointestinal nematodes, genetic selection has been the focus of man…
The increase in the occurrence of anthelmintic resistance of gastrointestinal nematodes in sheep has generated the need to develop new tests to detect resistance or improve existing ones. The Larval Development Test (LDT) can slow down the establishment of resistance and preserve the effectiveness of anthelmintics. A newly developed diagnostic test based on LDT, called RESISTA-Test© (Proc…
Two trials will be carried out to assess the efficacy of a vaccine against Haemonchus contortus in sheep. Experiment 1 aims to assess the effectiveness of the vaccine in ewes during the pregnancy and lactation periods, maintained with high or low nutritional level. These ewes will be divided into four groups as follows: Group 1: immunised with the vaccine against haemonchosis and maintain…
This study will be carried out to assess the protection of a vaccine against haemoncose in sheep and cattle. The vaccine will be made up of antigens from the H. contortus intestinal membrane. Two experiments will be performed: in the first, the vaccine will be given to periparturient ewes and in their lambs. Thirty-three ewes of Bergamacia breed will be distributed in three experimental g…
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