Evidence map›Paper›PMID 42250174›Full record

ArticleVeterinary research communications2026

Sheep breed-specific response to environment challenge against Haemonchus contortus and effect on immuno-hematological parameters.

Cintia Hiromi Okino, Hornblenda Joaquina Silva Bello, Simone Cristina Méo Niciura, Amanda Freitas da Cunha, Estevão Camilo da Costa, Emanuelle Martins de Campos, Rafaela Tami Ikeda Kapritchkoff, Lorrane Gabriele Pinheiro Corrêa, Alessandro Pelegrine Minho, Sérgio Novita Esteves and 1 more

Abstract read
In one paragraph

Article in Veterinary research communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Cintia Hiromi OkinoEmbrapa Pecuária Sudeste, Rodovia Washington Luiz, Km 234 s/n, Fazenda Canchim, PO Box 339, São Carlos, SP, 13560-970, Brazil. cintia.okino@embrapa.br.
Hornblenda Joaquina Silva BelloEmbrapa Pecuária Sudeste, Rodovia Washington Luiz, Km 234 s/n, Fazenda Canchim, PO Box 339, São Carlos, SP, 13560-970, Brazil.
Simone Cristina Méo NiciuraEmbrapa Pecuária Sudeste, Rodovia Washington Luiz, Km 234 s/n, Fazenda Canchim, PO Box 339, São Carlos, SP, 13560-970, Brazil.
Amanda Freitas da CunhaCentro Universitário Central Paulista (UNICEP), Rua Miguel Petroni, São Carlos, SP, 5111, 13563-470, Brazil.
Estevão Camilo da CostaCentro Universitário Central Paulista (UNICEP), Rua Miguel Petroni, São Carlos, SP, 5111, 13563-470, Brazil.
Emanuelle Martins de CamposCentro de Ciências Biológicas e da Saúde, Universidade Federal de São Carlos (UFSCAR), Rodovia Washington Luiz km 235, PO Box 676, São Carlos, SP, 13565-905, Brazil.
Rafaela Tami Ikeda KapritchkoffFaculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista (UNESP), Rodovia Prof. Paulo Donato Castellane, Jaboticabal, SP, 14884-900, Brazil.
Lorrane Gabriele Pinheiro CorrêaFaculdade de Ciências Agrárias e Tecnológicas, Universidade Estadual Paulista (UNESP), Rodovia Comandante João Ribeiro de Barros km 651, Dracena, SP, 17900-000, Brazil.
Alessandro Pelegrine MinhoEmbrapa Pecuária Sudeste, Rodovia Washington Luiz, Km 234 s/n, Fazenda Canchim, PO Box 339, São Carlos, SP, 13560-970, Brazil.
Sérgio Novita EstevesEmbrapa Pecuária Sudeste, Rodovia Washington Luiz, Km 234 s/n, Fazenda Canchim, PO Box 339, São Carlos, SP, 13560-970, Brazil.
Ana Carolina de Souza ChagasEmbrapa Pecuária Sudeste, Rodovia Washington Luiz, Km 234 s/n, Fazenda Canchim, PO Box 339, São Carlos, SP, 13560-970, Brazil.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Variable resistance to Haemonchus contortus infection and the associated immune mechanisms have been investigated and characterized in different sheep breeds adapted to tropical climates. In a recent study, we compared the local immune responses of the resistant Santa Inês with those of the susceptible White Dorper and Texel sheep breeds under chronic haemonchosis, and evaluated the correlations of immune-related transcripts and different parasitic stages and sexes. The aim of present study was to further elucidate the immune mechanisms among these sheep breeds by comparing local responses, microscopic lesions in the abomasum and hematological parameters in lambs raised under varying levels of parasitic challenge. The naturally resistant Santa Inês breed maintained similar phenotypic characteristics across different levels of parasitic infection loads, whereas White Dorper and Texel breeds exhibited increased susceptibility under moderate to high challenge. Texel lambs showed altered mean corpuscular volume, indicative of macrocytic anemia, and also displayed the lowest resistance under low challenge conditions. Significantly higher levels of eosinophils, lymphocytes and monocytes in peripheral blood, along with increased expression of Galectin-11 gene in the abomasum, were observed in Santa Inês sheep compared to the other breeds. These responses may represent key host mechanisms contributing to improved control of infection. Overall, our findings demonstrate that resistance to H. contortus infection is breed-dependent and modulated by environmental parasite challenge, providing insights that may forward to the targeted strategies for sheep flock management.

Indexed as

Disease ResistanceHaemonchiasisHaemonchusSheep DiseasesAbomasumAnimalsFemaleMaleSheepabomasumgastrointestinal nematodesHaemonchus contortushemogramovineSanta InêsTexelWhite Dorper

Identifiers

PMID42250174
PMCPMC13242422

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.