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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha : |
18/11/2015 |
Actualizado : |
03/10/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
RODRÍGUEZ, A.V.; GOLDBERG, V.; VIOTTI, H.; CIAPPESONI, G. |
Afiliación : |
A.V. RODRÍGUEZ, Universidad de la República (UdelaR)/ Facultad de Veterinaria; VIRGINIA GOLDBERG BIANCHI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; H. VIOTTI, Universidad de la República (UdelaR)/ Facultad de Veterinaria; CARLOS GABRIEL CIAPPESONI SCARONE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Early detection of Haemonchus contortus infection in sheep using three different faecal occult blood tests. |
Fecha de publicación : |
2015 |
Fuente / Imprenta : |
Open Veterinary Journal, 2015, v.5, no.2, p. 90-97. OPEN ACCESS |
Descripción física : |
2-s2.0-84899666262 |
ISSN : |
2226-4485 (Print) ISSN: 2218-6050 (Online) |
Idioma : |
Inglés |
Notas : |
Submitted: 04/03/2015; Accepted: 01/06/2015; Published: 11/07/2015 |
Contenido : |
ABSTRACT.
Haemonchus contortus is a blood-sucking parasite causing the presence of faecal occult blood (FOB). The objective was to study three different FOB tests in order to have a new indicator of H. contortus infection in sheep that could be included in the genetic evaluation system as an alternative selection criterion to faecal worm egg count (FEC). A total
of 29 Corriedale lambs were experimentally infected with 10.000 larvae of H. contortus. Stool samples were recorded for FEC and FOB tests (Hexagon, Hematest® and Multistix®), blood for packed cell volume (PCV), haemoglobin, white and red blood cell count (RBC), and FAMACHA© for scoring anaemia. At the end of the experiment lambs were slaughtered to worm burden count. Field infection was achieved in 309 Merino lambs under natural parasite challenge. FEC data were normalized through logarithmic transformation (LnFEC). Pearson correlation was estimated to examine the relationship between all traits. The three tests were able to detect the presence of FOB at day 11. FEC, PCV and RBC decreased to sub-normal values from day 18. FAMACHA© score 3 was considered to be indicative of anaemia. Most of the correlations were of high magnitude, with the exception of Multistix® test that was moderately correlated with haematological parameters, LnFEC and FEC. In field infection, most samples were negative to FOB tests and the correlations were lower than those calculated under experimental infection. In conclusion, FOB tests were able to detect haemonchosis earlier than FEC under high experimental parasite challenge. However, they were
not able to detect FOB under natural mixed parasite challenge. FAMACHA© and PCV demonstrated to be good indicators of Haemonchosis, having moderate to high correlations with FEC. MenosABSTRACT.
Haemonchus contortus is a blood-sucking parasite causing the presence of faecal occult blood (FOB). The objective was to study three different FOB tests in order to have a new indicator of H. contortus infection in sheep that could be included in the genetic evaluation system as an alternative selection criterion to faecal worm egg count (FEC). A total
of 29 Corriedale lambs were experimentally infected with 10.000 larvae of H. contortus. Stool samples were recorded for FEC and FOB tests (Hexagon, Hematest® and Multistix®), blood for packed cell volume (PCV), haemoglobin, white and red blood cell count (RBC), and FAMACHA© for scoring anaemia. At the end of the experiment lambs were slaughtered to worm burden count. Field infection was achieved in 309 Merino lambs under natural parasite challenge. FEC data were normalized through logarithmic transformation (LnFEC). Pearson correlation was estimated to examine the relationship between all traits. The three tests were able to detect the presence of FOB at day 11. FEC, PCV and RBC decreased to sub-normal values from day 18. FAMACHA© score 3 was considered to be indicative of anaemia. Most of the correlations were of high magnitude, with the exception of Multistix® test that was moderately correlated with haematological parameters, LnFEC and FEC. In field infection, most samples were negative to FOB tests and the correlations were lower than those calculated under experimental infection. In conclusion, FOB tests were a... Presentar Todo |
Palabras claves : |
FAEAL WORM EGG COUNT; FAECAL OCCULT BLOOD TEST; HAEMONCHOSIS; SHEPP. |
Thesagro : |
ENFERMEDADES PARASITARIAS; OVEJAS; OVINOS. |
Asunto categoría : |
L73 Enfermedades de los animales |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/5250/1/Goldberg-G.-2015.-Open-Veterinary-Jr.-v.52-p.90-97.pdf
http://www.openveterinaryjournal.com/2015/Volume%205%20(2)/OVJ-038-03-15%20A.V.%20Rodriguez%20et%20al.pdf
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Marc : |
LEADER 02691naa a2200277 a 4500 001 1053938 005 2019-10-03 008 2015 bl uuuu u00u1 u #d 022 $a2226-4485 (Print) ISSN: 2218-6050 (Online) 100 1 $aRODRÍGUEZ, A.V. 245 $aEarly detection of Haemonchus contortus infection in sheep using three different faecal occult blood tests.$h[electronic resource] 260 $c2015 300 $c2-s2.0-84899666262 500 $aSubmitted: 04/03/2015; Accepted: 01/06/2015; Published: 11/07/2015 520 $aABSTRACT. Haemonchus contortus is a blood-sucking parasite causing the presence of faecal occult blood (FOB). The objective was to study three different FOB tests in order to have a new indicator of H. contortus infection in sheep that could be included in the genetic evaluation system as an alternative selection criterion to faecal worm egg count (FEC). A total of 29 Corriedale lambs were experimentally infected with 10.000 larvae of H. contortus. Stool samples were recorded for FEC and FOB tests (Hexagon, Hematest® and Multistix®), blood for packed cell volume (PCV), haemoglobin, white and red blood cell count (RBC), and FAMACHA© for scoring anaemia. At the end of the experiment lambs were slaughtered to worm burden count. Field infection was achieved in 309 Merino lambs under natural parasite challenge. FEC data were normalized through logarithmic transformation (LnFEC). Pearson correlation was estimated to examine the relationship between all traits. The three tests were able to detect the presence of FOB at day 11. FEC, PCV and RBC decreased to sub-normal values from day 18. FAMACHA© score 3 was considered to be indicative of anaemia. Most of the correlations were of high magnitude, with the exception of Multistix® test that was moderately correlated with haematological parameters, LnFEC and FEC. In field infection, most samples were negative to FOB tests and the correlations were lower than those calculated under experimental infection. In conclusion, FOB tests were able to detect haemonchosis earlier than FEC under high experimental parasite challenge. However, they were not able to detect FOB under natural mixed parasite challenge. FAMACHA© and PCV demonstrated to be good indicators of Haemonchosis, having moderate to high correlations with FEC. 650 $aENFERMEDADES PARASITARIAS 650 $aOVEJAS 650 $aOVINOS 653 $aFAEAL WORM EGG COUNT 653 $aFAECAL OCCULT BLOOD TEST 653 $aHAEMONCHOSIS 653 $aSHEPP 700 1 $aGOLDBERG, V. 700 1 $aVIOTTI, H. 700 1 $aCIAPPESONI, G. 773 $tOpen Veterinary Journal, 2015$gv.5, no.2, p. 90-97. OPEN ACCESS
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Registro original : |
INIA Las Brujas (LB) |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas; INIA Tacuarembó. |
Fecha actual : |
18/10/2016 |
Actualizado : |
23/10/2019 |
Tipo de producción científica : |
Artículos en Revistas Agropecuarias |
Autor : |
LEONI, C.; CONDE, P.; BRUZZONE, J.; MARTINEZ, C.; VILLAMIL, J.J.; BIANCHI, D.; ASHFIELD, R. |
Afiliación : |
CAROLINA LEONI VELAZCO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ANA PAULA CONDE INNAMORATO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; JULIANA BRUZZONE PIZZORNO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ANA CECILIA MARTINEZ ESTEFAN, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; JUAN JOSE VILLAMIL SILVA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; HUGO DAVID BIANCHI POSSE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; RICHARD WALTER ASHFIELD HODGES, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Ante una nueva zafra olivícola, ¿cómo nos preparamos para manejar la aceituna jabonosa?. |
Fecha de publicación : |
2016 |
Fuente / Imprenta : |
Revista INIA Uruguay, 2016, no.46, p. 34-37. |
Serie : |
(Revista INIA; 46) |
Idioma : |
Español |
Contenido : |
La "antracnosis" o "aceituna jabonosa", causada por Colletotrichum spp. es la principal enfermedad de fruto del olivo en nuestro país, que además afecta las estructuras
vegetativas. En años favorables al desarrollo de la enfermedad ocasiona importantes pérdidas de rendimiento y calidad de aceite. |
Thesagro : |
ACEITUNA; ANTRACNOSIS; ENFERMEDADES DE LAS PLANTAS; OLIVOS. |
Asunto categoría : |
-- A50 Investigación agraria |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/6160/1/Rev.INIA-2016-No46-p.34-37.pdf
http://www.ainfo.inia.uy/digital/bitstream/item/6432/1/revista-INIA-43.p.7-11-VAZQUEZ.pdf
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Marc : |
LEADER 00983naa a2200253 a 4500 001 1055821 005 2019-10-23 008 2016 bl uuuu u00u1 u #d 100 1 $aLEONI, C. 245 $aAnte una nueva zafra olivícola, ¿cómo nos preparamos para manejar la aceituna jabonosa?. 260 $c2016 490 $a(Revista INIA; 46) 520 $aLa "antracnosis" o "aceituna jabonosa", causada por Colletotrichum spp. es la principal enfermedad de fruto del olivo en nuestro país, que además afecta las estructuras vegetativas. En años favorables al desarrollo de la enfermedad ocasiona importantes pérdidas de rendimiento y calidad de aceite. 650 $aACEITUNA 650 $aANTRACNOSIS 650 $aENFERMEDADES DE LAS PLANTAS 650 $aOLIVOS 700 1 $aCONDE, P. 700 1 $aBRUZZONE, J. 700 1 $aMARTINEZ, C. 700 1 $aVILLAMIL, J.J. 700 1 $aBIANCHI, D. 700 1 $aASHFIELD, R. 773 $tRevista INIA Uruguay, 2016, no.46, p. 34-37.
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