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Zaragoza-Vera CV, Gonzalez-Garduño R, Arjona-Jimenez G, Zaragoza-Vera M, Aguilar-Caballero AJ, Torres-Chable OM. Optimum timing for assessing phenotypic resistance against gastrointestinal nematodes in Pelibuey ewes. Helminthologia 2023; 60:348-356. [PMID: 38222487 PMCID: PMC10787634 DOI: 10.2478/helm-2023-0038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 10/27/2023] [Indexed: 01/16/2024] Open
Abstract
The objective was to identify the optimal stage of production to evaluate the resistance of Pelibuey ewes against gastrointestinal nematodes (GIN). Faecal egg count (FEC) was used to classify the ewes as resistant, sensible or intermediate against GIN. Forty-seven ewes were mating during 30 d. The gestation was verified by ultrasonography, and the breeding date was used to calculate the productive stages. Faeces were taken weekly to determine the FEC. Blood samples were taken to determine the packed cell volume (PCV), the peripheral eosinophils count (PEC), plasma protein concentration (PP), and Immunoglobulin A (IgA) against Haemonchus contortus. The body condition score (BCS) was recorded at each visit. Six moments during the study (early, mid and late gestation; early, mid and late lactation) were considered. The ewes were classified according to FEC (mean FEC ± three standard errors). The higher FEC occurred during all lactation stages than during early and mid-gestation stages (P<0.05). PCV, PP, and BCS during early gestation stage were higher than shown during the lactation stages (P<0.01). The PEC and IgA were higher during all lactation stages than early and mid-gestation stages (P<0.05). Concerning the type of birth, double births showed higher FEC than single birth (P<0.01). The highest values of accuracy (100 %) and concordance (Youden's J = 1.0) were found during early lactation. Therefore, it is concluded that the optimal stage of production to evaluate phenotypic resistance against GIN infections in Pelibuey ewes was during the early lactation.
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Affiliation(s)
- C. V. Zaragoza-Vera
- Laboratorio de Enfermedades Tropicales y Transmitidas por Vectores, Division Academica de Ciencias Agropecuarias, Universidad Juarez Autonoma de Tabasco, Km. 25, Carretera Villahermosa-Teapa, R/a La Huasteca 2. Seccion, C.P.86298Villahermosa, Tabasco, Mexico
| | - R. Gonzalez-Garduño
- Unidad Regional Universitaria Sursureste, Universidad Autónoma Chapingo, km 7.5 Carretera Teapa-Vicente Guerrero, Teapa, Tabasco, Mexico
| | - G. Arjona-Jimenez
- Laboratorio de Enfermedades Tropicales y Transmitidas por Vectores, Division Academica de Ciencias Agropecuarias, Universidad Juarez Autonoma de Tabasco, Km. 25, Carretera Villahermosa-Teapa, R/a La Huasteca 2. Seccion, C.P.86298Villahermosa, Tabasco, Mexico
| | - M. Zaragoza-Vera
- Laboratorio de Enfermedades Tropicales y Transmitidas por Vectores, Division Academica de Ciencias Agropecuarias, Universidad Juarez Autonoma de Tabasco, Km. 25, Carretera Villahermosa-Teapa, R/a La Huasteca 2. Seccion, C.P.86298Villahermosa, Tabasco, Mexico
| | - A. J. Aguilar-Caballero
- Facultad de Medicina Veterinaria y Zootecnia, Campus de Ciencias Biologicas y Agropecuarias, Universidad Autonoma de Yucatan, Km. 15.5, Carretera Merida-Xmatkuil, Apdo. postal 4-116, 97100Merida, Yucatan, Mexico
| | - O. M. Torres-Chable
- Laboratorio de Enfermedades Tropicales y Transmitidas por Vectores, Division Academica de Ciencias Agropecuarias, Universidad Juarez Autonoma de Tabasco, Km. 25, Carretera Villahermosa-Teapa, R/a La Huasteca 2. Seccion, C.P.86298Villahermosa, Tabasco, Mexico
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Arce-Recinos C, Ojeda-Robertos NF, Garcia-Herrera RA, Ramos-Juarez JA, Piñeiro-Vázquez ÁT, Canul-Solís JR, Castillo-Sanchez LE, Casanova-Lugo F, Vargas-Bello-Pérez E, Chay-Canul AJ. Residual Feed Intake and Rumen Metabolism in Growing Pelibuey Sheep. Animals (Basel) 2022; 12:ani12050572. [PMID: 35268141 PMCID: PMC8909271 DOI: 10.3390/ani12050572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/28/2022] [Accepted: 02/04/2022] [Indexed: 11/16/2022] Open
Abstract
This study was carried out to evaluate the residual feed intake (RFI), volatile fatty acid (VFA) production and enteric methane (CH4) from growing Pelibuey sheep. In this case, 12 non-castrated Pelibuey with an initial average live weight (LW) of 21.17 ± 3.87 kg and an age of 3 months, were housed in individual pens and fed a basal diet with 16% of crude protein and 11 MJ ME for 45 days. Dry matter intake (DMI) was measured and the daily weight gain (DWG) was calculated using a linear regression between the LW and experimental period. Mean metabolic live weight (LW0.75) was calculated. RFI was determined by linear regression with DWG and LW0.75 as independent variables. Lambs were classified as low, medium, and high RFI. Feed efficiency was determined as DWG/DMI. For determining rumen pH, ammonia nitrogen concentration NH3-N), and VFA, ruminal fluid was obtained using an esophageal probe on day 40. Feed intake of low RFI lambs was approximately 16% lower (p < 0.05) while growth rate was not significantly different. Their average energy loss, expressed as CH4 production per kilogram of metabolic weight, was 17% lower (p < 0.05).
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Affiliation(s)
- Carlos Arce-Recinos
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Carretera Villahermosa-Teapa, Km 25, R/A, La Huasteca 2ª Sección, Villahermosa 86280, Tabasco, Mexico; (C.A.-R.); (N.F.O.-R.); (R.A.G.-H.)
- Colegio de Postgraduados, Campus Tabasco, Periférico Carlos A. Molina, Km 3.5, Carretera Cárdenas-Huimanguillo, H. Cárdenas 86500, Tabasco, Mexico;
| | - Nadia Florencia Ojeda-Robertos
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Carretera Villahermosa-Teapa, Km 25, R/A, La Huasteca 2ª Sección, Villahermosa 86280, Tabasco, Mexico; (C.A.-R.); (N.F.O.-R.); (R.A.G.-H.)
| | - Ricardo Alfonso Garcia-Herrera
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Carretera Villahermosa-Teapa, Km 25, R/A, La Huasteca 2ª Sección, Villahermosa 86280, Tabasco, Mexico; (C.A.-R.); (N.F.O.-R.); (R.A.G.-H.)
| | - Jesús Alberto Ramos-Juarez
- Colegio de Postgraduados, Campus Tabasco, Periférico Carlos A. Molina, Km 3.5, Carretera Cárdenas-Huimanguillo, H. Cárdenas 86500, Tabasco, Mexico;
| | - Ángel Trinidad Piñeiro-Vázquez
- Tecnológico Nacional de México, Instituto Tecnológico de Conkal, Avenida Tecnológico s/n, Conkal 97345, Yucatán, Mexico;
| | - Jorge Rodolfo Canul-Solís
- Tecnológico Nacional de México, Instituto Tecnológico de Tizimín, Tizimín 97702, Yucatán, Mexico; (J.R.C.-S.); (L.E.C.-S.)
| | - Luis Enrique Castillo-Sanchez
- Tecnológico Nacional de México, Instituto Tecnológico de Tizimín, Tizimín 97702, Yucatán, Mexico; (J.R.C.-S.); (L.E.C.-S.)
| | - Fernando Casanova-Lugo
- Tecnológico Nacional de Mexico, Instituto Tecnológico de la Zona Maya, Othón P. Blanco 77965, Quintana Roo, Mexico;
| | - Einar Vargas-Bello-Pérez
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Grønnegårdsvej 3, DK-1870 Frederiksberg C, Denmark
- Correspondence: (E.V.-B.-P.); (A.J.C.-C.); Tel.: +52-(993)-358-1585 or +52-(993)-142-9151 (A.J.C.-C.); Fax: +52-(993)-142-9150 (A.J.C.-C.)
| | - Alfonso Juventino Chay-Canul
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Carretera Villahermosa-Teapa, Km 25, R/A, La Huasteca 2ª Sección, Villahermosa 86280, Tabasco, Mexico; (C.A.-R.); (N.F.O.-R.); (R.A.G.-H.)
- Correspondence: (E.V.-B.-P.); (A.J.C.-C.); Tel.: +52-(993)-358-1585 or +52-(993)-142-9151 (A.J.C.-C.); Fax: +52-(993)-142-9150 (A.J.C.-C.)
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Zaragoza-Vera CV, Aguilar-Caballero AJ, González-Garduño R, Arjona-Jiménez G, Zaragoza-Vera M, Torres-Acosta JFJ, Medina-Reynés JU, Berumen-Alatorre AC. Variation in phenotypic resistance to gastrointestinal nematodes in hair sheep in the humid tropics of Mexico. Parasitol Res 2019; 118:567-573. [PMID: 30627809 DOI: 10.1007/s00436-018-06201-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 12/28/2018] [Indexed: 11/28/2022]
Abstract
The objective of the study was to evaluate phenotypic resistance against gastrointestinal nematodes in Blackbelly, Pelibuey and Katahdin ewes before pregnancy in the humid tropics of Mexico. Individual faecal and blood samples were taken in 59 Pelibuey, 69 Blackbelly and 73 Katahdin ewes. The egg count per gram of faeces (EPG) of gastrointestinal nematodes (GINs) was determined. The percentage of packed cell volume (PCV) and body condition score (BCS) of each animal were also recorded. The ewes were segregated as susceptible, intermediate or resistant based on the EPG using the quartile method. The data were analysed using the general linear method, and the means between breeds were compared by Tukey's test. The relationships between the EPG, PCV and BCS were evaluated by Spearman correlation. The Katahdin ewes showed the highest EPG counts (3613.6 ± 5649) compared to the Blackbelly and Pelibuey ewes (576.1 ± 1009 and 56.8 ± 187, respectively, P < 0.01). The PCV values between breeds were similar (P > 0.05). The susceptible ewes had the highest EPG counts and the lowest PCV percentage (5069 ± 6404 and 22.8% ± 8.1% respectively) compared to the resistant ewes (P < 0.01). A higher percentage of Katahdin ewes were susceptible compared to the other breeds (P < 0.05). The main GIN species were Haemonchus contortus, Trichostrongylus colubriformis and Cooperia curticei. In conclusion, Katahdin ewes showed susceptibility to GIN compared to Blackbelly and Pelibuey ewes before the pregnancy period in the humid tropics of Mexico.
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Affiliation(s)
- Claudia V Zaragoza-Vera
- Facultad de Medicina Veterinaria y Zootecnia, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Km. 15.5, Carretera Mérida-Xmatkuil, Apdo. Postal 4-116, 97100, Mérida, Yucatán, México
| | - Armando J Aguilar-Caballero
- Facultad de Medicina Veterinaria y Zootecnia, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Km. 15.5, Carretera Mérida-Xmatkuil, Apdo. Postal 4-116, 97100, Mérida, Yucatán, México.
| | - Roberto González-Garduño
- Unidad Regional Universitaria Sursureste, Universidad Autónoma Chapingo, Km 7.5 Carretera Teapa-Vicente Guerrero, Teapa, Tabasco, México
| | - Guadalupe Arjona-Jiménez
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Km. 25, Carretera Villahermosa-Teapa, R/a La Huasteca 2ª. Sección, 86298, Villahermosa, Tabasco, México
| | - Maritza Zaragoza-Vera
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Km. 25, Carretera Villahermosa-Teapa, R/a La Huasteca 2ª. Sección, 86298, Villahermosa, Tabasco, México
| | - Juan Felipe J Torres-Acosta
- Facultad de Medicina Veterinaria y Zootecnia, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Km. 15.5, Carretera Mérida-Xmatkuil, Apdo. Postal 4-116, 97100, Mérida, Yucatán, México
| | - José U Medina-Reynés
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Km. 25, Carretera Villahermosa-Teapa, R/a La Huasteca 2ª. Sección, 86298, Villahermosa, Tabasco, México
| | - Alma C Berumen-Alatorre
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Km. 25, Carretera Villahermosa-Teapa, R/a La Huasteca 2ª. Sección, 86298, Villahermosa, Tabasco, México
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Palomo-Couoh JG, Aguilar-Caballero AJ, Torres-Acosta JFJ, González-Garduño R. Comparing the phenotypic susceptibility of Pelibuey and Katahdin female lambs against natural gastrointestinal nematode infections under hot humid tropical conditions. Parasitol Res 2017; 116:1627-36. [PMID: 28365814 DOI: 10.1007/s00436-017-5437-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 03/23/2017] [Indexed: 10/19/2022]
Abstract
This study compared the phenotypic susceptibility of Pelibuey and Katahdin female lambs against gastrointestinal nematodes (GINs) under grazing conditions in the hot humid tropics of Mexico. The study was performed during the rainy season (August to October, 2014). It included 27 Pelibuey and 12 Katahdin female lambs from 6 months of age and live weight of 21.0 ± 3.7 and 23.3 ± 3.6 kg, respectively. Lambs were reared free of GIN infection before the study. The study lasted 91 days. Animals were weighed and sampled (blood and feces) on days 0 and 28 and every 7 days onwards. Fecal samples were obtained to determine fecal eggs of GIN per gram (EPG), and blood samples were used to determine the packed cell volume (PCV), the peripheral eosinophil counts (PECs), and optical densities (ODs) for IgA. The EPG counts were significantly lower for Pelibuey lambs compared to Katahdin throughout the study (P < 0.001). Similarly, Pelibuey lambs had higher mean PCV (P < 0.01) and PEC (P < 0.05) than Katahdin lambs during the study. The total weight gain and OD for IgA were similar between breeds (P > 0.05). Negative associations (P < 0.05) between EPG and PCV or PEC were moderate to strong for the lambs of both breeds. No association was found between EPG and IgA. In conclusion, Pelibuey lambs showed phenotypic evidence of higher resistance to natural GIN infections compared to Katahdin lambs sharing the same grazing conditions in the hot humid tropics. The most accurate phenotypic markers to identify a difference in susceptibility were EPG and PEC.
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Palomo-Couoh JG, Aguilar-Caballero AJ, Torres-Acosta JFDJ, Magaña-Monforte JG. Evaluation of different models to segregate Pelibuey and Katahdin ewes into resistant or susceptible to gastrointestinal nematodes. Trop Anim Health Prod 2016; 48:1517-1524. [PMID: 27525647 DOI: 10.1007/s11250-016-1122-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2015] [Accepted: 08/02/2016] [Indexed: 10/21/2022]
Abstract
This study evaluated four models based on the number of eggs per gram of faeces (EPG) to segregate Pelibuey or Katahdin ewes during the lactation period into resistant or susceptible to gastrointestinal nematodes (GIN) in tropical Mexico. Nine hundred and thirty EPG counts of Pelibuey ewes and 710 of Katahdin ewes were obtained during 10 weeks of lactation. Ewes were segregated into resistant, intermediate and susceptible, using their individual EPG every week. Then, data of every ewe was used to provide a reference classification, which included all the EPG values of each animal. Then, four models were evaluated against such reference. Model 1 was based on the 10-week mean EPG count ± 2 SE. Models 2, 3 and 4 were based on the mean EPG count of 10, 5 and 2 weeks of lactation. The cutoff points for the segregation of ewe in those three models were the quartiles ≤Q1 (low elimination) and ≥Q3 (high elimination). In all the models evaluated, the ewes classified as resistant had lower EPG than intermediates and susceptible (P < 0.001) while ewes classified as susceptible had higher EPG than intermediate and resistant (P < 0.001). According to J Youden test, models presented concordance with the reference group (>70 %). Model 3 tended to show higher sensitivity and specificity with the reference data, but no difference was found with other models. The present study showed that the phenotypic marker EPG might serve to identify and segregate populations of adult ewes during the lactation period. All models used served to segregate Pelibuey and Katahdin ewes into resistant, intermediate and susceptible. The model 3 (mean of 5 weeks) could be used because it required less sampling effort without losing sensitivity or specificity in the segregation of animals. However, model 2 (mean of 2 weeks) was less labour-intensive.
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Affiliation(s)
- Jovanny Gaspar Palomo-Couoh
- Facultad de Medicina Veterinaria y Zootecnia, Campus de Ciencias, Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Km 15.5, Carretera Mérida-Xmatkuil, Apartado postal 4-116, 97100, Mérida, Yucatán, Mexico
| | - Armando Jacinto Aguilar-Caballero
- Facultad de Medicina Veterinaria y Zootecnia, Campus de Ciencias, Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Km 15.5, Carretera Mérida-Xmatkuil, Apartado postal 4-116, 97100, Mérida, Yucatán, Mexico.
| | - Juan Felipe de Jesús Torres-Acosta
- Facultad de Medicina Veterinaria y Zootecnia, Campus de Ciencias, Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Km 15.5, Carretera Mérida-Xmatkuil, Apartado postal 4-116, 97100, Mérida, Yucatán, Mexico
| | - Juan Gabriel Magaña-Monforte
- Facultad de Medicina Veterinaria y Zootecnia, Campus de Ciencias, Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Km 15.5, Carretera Mérida-Xmatkuil, Apartado postal 4-116, 97100, Mérida, Yucatán, Mexico
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Arece-García J, López-Leyva Y, González-Garduño R, Torres-Hernández G, Rojo-Rubio R, Marie-Magdeleine C. Effect of selective anthelmintic treatments on health and production parameters in Pelibuey ewes during lactation. Trop Anim Health Prod 2015; 48:283-7. [PMID: 26563269 DOI: 10.1007/s11250-015-0947-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Accepted: 10/26/2015] [Indexed: 11/25/2022]
Abstract
A study was conducted from December to April 2013, with the aim of evaluating a system of selective antiparasitic treatments using the FAMACHA© color chart compared with a conventional suppressive deworming system every 30 days in Pelibuey ewes during lactation. For the study, 54 ewes were used. They were randomly divided into two groups: FAMACHA and chemical treatments. The ewes in the first group received selective treatment depending on the ocular mucosa coloration (FAMACHA) and body condition score (BCS), while in the second group (chemical) all the animals remained under routine deworming every 30 days. Fecal nematode egg counts, proportion of third-stage trichostrongylid larvae, body condition, coloration of the ocular mucosa, and packed cell volume in the ewes were determined, while in lambs only body weight (BW) was recorded. No significant differences (p > 0.05) were observed in any of the studied variables between groups; however, the use of antiparasitic drugs was reduced during the experimental period in the FAMACHA group and no deaths of lambs or ewes were recorded. The results indicate that during the lactation of ewes, a strategy of selective treatments can be implemented without showing deterioration in major health and productive parameters of these animals.
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Affiliation(s)
- Javier Arece-García
- Estación Experimental de Pastos y Forrajes "Indio Hatuey", Universidad de Matanzas, Central España Republicana, Matanzas, Cuba.
| | - Yoel López-Leyva
- Estación Experimental de Pastos y Forrajes "Indio Hatuey", Universidad de Matanzas, Central España Republicana, Matanzas, Cuba
| | | | | | - Rolando Rojo-Rubio
- Centro Universitario UAEM Temascaltepec, Universidad Autónoma del Estado de México, Temascaltepec, Estado de México, Mexico
| | - Carine Marie-Magdeleine
- Unité de Recherches Zootechniques, INRA Antilles Guyane, Domaine de Duclos Prise d'Eau, 97170, Petit-Bourg, Guadeloupe
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