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Juan Bertolín
Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón–IA2 (CITA-Universidad de Zaragoza), Avda. Montañana 930, 50059 Zaragoza, Spain

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Journal article
Published: 12 August 2021 in Animals
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The use of pea (Pisum sativum) has been recommended to replace soybean meal in the diet of ruminants, but it may affect meat quality. The aim of this study was to evaluate the effect of the proportion of pea (0%, 10%, 20% and 30%) in fattening concentrates fed to light lambs for 41 days on carcass colour and on the meat quality. Pea inclusion affected neither the colour of the lamb carcasses nor affected most of the parameters of the meat quality. However, the inclusion of pea affected the cholesterol content, and the 20%pea concentrate yielded meat with greater cholesterol contents than the 30%pea concentrate did (p< 0.05). The inclusion of pea had minor effects on individual FAs but affected the total saturated fatty acids (p< 0.01) and the thrombogenicity index (p< 0.05). A greater total saturated fatty acid content was recorded for the 20%pea concentrate than for the rest of the concentrates, and a greater thrombogenicity index was recorded for the 20% concentrate than for the 10%pea concentrate. The results indicated the viability of the inclusion of pea in the fattening concentrate of light lambs without impairing meat quality, with the 30%pea concentrate being the most suitable to reduce the soya-dependency.

ACS Style

Mireia Blanco; Guillermo Ripoll; Sandra Lobón; Juan Ramón Bertolín; Isabel Casasús; Margalida Joy. The Inclusion of Pea in Concentrates Had Minor Effects on the Meat Quality of Light Lambs. Animals 2021, 11, 2385 .

AMA Style

Mireia Blanco, Guillermo Ripoll, Sandra Lobón, Juan Ramón Bertolín, Isabel Casasús, Margalida Joy. The Inclusion of Pea in Concentrates Had Minor Effects on the Meat Quality of Light Lambs. Animals. 2021; 11 (8):2385.

Chicago/Turabian Style

Mireia Blanco; Guillermo Ripoll; Sandra Lobón; Juan Ramón Bertolín; Isabel Casasús; Margalida Joy. 2021. "The Inclusion of Pea in Concentrates Had Minor Effects on the Meat Quality of Light Lambs." Animals 11, no. 8: 2385.

Journal article
Published: 15 July 2021 in Animals
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The shortage of some ingredients and, consequently, the continuous increase in the price of feed encourage the search for other alternatives to maintain animal production and enhance its products. In this line, the use of aromatic plant by-products in animal diet has been recently and widely considered, given their richness in bioactive compounds. Therefore, the aim of this study was to investigate the effects of the inclusion of rosemary residues (RR) and protein sources on lamb meat quality. The experiment was carried out on 24 male Barbarine lambs (3 months old) with an average body weight (BW) of 17.8 ± 2.6 kg, which were divided into three homogeneous groups according to BW. The diet comprised 600 g of oat hay and 600 g of concentrate. Three types of concentrate were evaluated: commercial concentrate as the control group (C); rosemary residues (RR) plus soybean meal as the RRS group, and RR plus faba bean as the RRF group. After an experimental period of 65 days, lambs were slaughtered. The inclusion of RR in both concentrates increased the α-tocopherol and total polyphenol content in meat and protected meat against discoloration (high red index and chroma after 9 days of storage) but did not affect meat lipid oxidation, which was similar for all groups. The FA profile was affected by the inclusion of RR, with no effect from the source of protein (faba bean or soybean). The inclusion of RR in the concentrate increased the C18:2 n-6, C18:3 n-3, C20:4 n-6, C20:5 n-3, and C22:5 n-3 content (p< 0.05). Consequently, the inclusion of RR also increased the total polyunsaturated FA (p< 0.05) and the ratio of polyunsaturated FA to saturated FA (p< 0.05). The results of this study demonstrate that concentrate based on RR could be useful for lamb meat production by improving the nutritional quality of meat, especially the fatty acid profile. In addition, soybean meal can be replaced by faba bean in lamb concentrate without affecting meat quality.

ACS Style

Samir Smeti; Yathreb Yagoubi; Houssemeddine Srihi; Sandra Lobón; Juan Bertolín; Mokhtar Mahouachi; Margalida Joy; Naziha Atti. Effects of Using Rosemary Residues as a Cereal Substitute in Concentrate on Vitamin E, Antioxidant Activity, Color, Lipid Oxidation, and Fatty Acid Profile of Barbarine Lamb Meat. Animals 2021, 11, 2100 .

AMA Style

Samir Smeti, Yathreb Yagoubi, Houssemeddine Srihi, Sandra Lobón, Juan Bertolín, Mokhtar Mahouachi, Margalida Joy, Naziha Atti. Effects of Using Rosemary Residues as a Cereal Substitute in Concentrate on Vitamin E, Antioxidant Activity, Color, Lipid Oxidation, and Fatty Acid Profile of Barbarine Lamb Meat. Animals. 2021; 11 (7):2100.

Chicago/Turabian Style

Samir Smeti; Yathreb Yagoubi; Houssemeddine Srihi; Sandra Lobón; Juan Bertolín; Mokhtar Mahouachi; Margalida Joy; Naziha Atti. 2021. "Effects of Using Rosemary Residues as a Cereal Substitute in Concentrate on Vitamin E, Antioxidant Activity, Color, Lipid Oxidation, and Fatty Acid Profile of Barbarine Lamb Meat." Animals 11, no. 7: 2100.

Journal article
Published: 27 October 2020 in Molecules
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The aim of this work was to study the sheep meat physicochemical traits as affected by distilled myrtle residues (MR) supplementation. For this, 27 culled ewes were divided into three groups receiving a ration composed by concentrate and hay for the Control group, concentrate and MR as a total substitute to hay for the Myrt-H group, or hay, less concentrate, and MR as a partial substitute to concentrate for the Myrt-C group. The meat chemical composition, pH, and color parameters were not affected by the MR intake. However, this animal’s dietary treatment resulted in higher meat polyphenol and α-tocopherol content for both MR groups (9.38 and 8.05 vs. 3.04 μg g−1 DM for Myrt-H, Myrt-C, and Control, respectively). In addition, since day 3 of meat storage, the lipid oxidation was improved by MR intake being lower for both MR groups than the Control (0.51 vs. 1.11 mg MDA/kg of meat). The total polyunsaturated fatty acid (PUFA) and saturated fatty acid (SFA) were similar among groups. However, the meat of Myrt-H had the highest C18:2n-6 and total PUFAn-6. In conclusion, the MR intake could be useful given it increases the meat content of vitamin E and improves its oxidative status without negative effects on the FA profile.

ACS Style

Souha Tibaoui; Samir Smeti; Ines Essid; Juan Ramón Bertolín; Margalida Joy; Naziha Atti. Physicochemical Characteristics, Fatty Acid Profile, Alpha-Tocopherol Content, and Lipid Oxidation of Meat from Ewes Fed Different Levels of Distilled Myrtle Residues. Molecules 2020, 25, 4975 .

AMA Style

Souha Tibaoui, Samir Smeti, Ines Essid, Juan Ramón Bertolín, Margalida Joy, Naziha Atti. Physicochemical Characteristics, Fatty Acid Profile, Alpha-Tocopherol Content, and Lipid Oxidation of Meat from Ewes Fed Different Levels of Distilled Myrtle Residues. Molecules. 2020; 25 (21):4975.

Chicago/Turabian Style

Souha Tibaoui; Samir Smeti; Ines Essid; Juan Ramón Bertolín; Margalida Joy; Naziha Atti. 2020. "Physicochemical Characteristics, Fatty Acid Profile, Alpha-Tocopherol Content, and Lipid Oxidation of Meat from Ewes Fed Different Levels of Distilled Myrtle Residues." Molecules 25, no. 21: 4975.

Journal article
Published: 05 October 2020 in Animals
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The carotenoids and liposoluble vitamins in the plasma and tissues of the lambs under different maternal feedings and fattening concentrates was studied. During lactation, 21 lambs were housed with their dams, that received a total mixed ration (intensive); 21 ewe–lamb pairs grazed on alfalfa; and 21 pairs grazed on sainfoin. After weaning, half of the lambs in each maternal feeding group received a commercial concentrate (control) and the other half a concentrate with quebracho (Schinopsis balansae), as a source of condensed tannins, until they were slaughtered (23 kg). The analyte concentrations in the plasma of lambs at weaning reflected the content in the feedstuffs. Grazing during suckling more than doubled the contents of lutein in the liver and retinol in the tissues compared to the intensive feeding. The content of α-tocopherol in the tissues was greatest in sainfoin lambs, intermediate in alfalfa lambs, and lowest in the intensive lambs. The quebracho concentrate decreased α-tocopherol (by 41–81%) and γ-tocopherol (by 65–89%) contents in the lamb tissues. The use of the analytes in the plasma at weaning correctly classified 100% of the lambs into the maternal feeding (intensive vs. grazing (alfalfa + sainfoin)) but has to be improved in the carcass and tissues separately.

ACS Style

Pablo Rufino-Moya; Margalida Joy; Sandra Lobón; Juan Bertolín; Mireia Blanco. Carotenoids and Liposoluble Vitamins in the Plasma and Tissues of Light Lambs Given Different Maternal Feedings and Fattening Concentrates. Animals 2020, 10, 1813 .

AMA Style

Pablo Rufino-Moya, Margalida Joy, Sandra Lobón, Juan Bertolín, Mireia Blanco. Carotenoids and Liposoluble Vitamins in the Plasma and Tissues of Light Lambs Given Different Maternal Feedings and Fattening Concentrates. Animals. 2020; 10 (10):1813.

Chicago/Turabian Style

Pablo Rufino-Moya; Margalida Joy; Sandra Lobón; Juan Bertolín; Mireia Blanco. 2020. "Carotenoids and Liposoluble Vitamins in the Plasma and Tissues of Light Lambs Given Different Maternal Feedings and Fattening Concentrates." Animals 10, no. 10: 1813.

Journal article
Published: 19 February 2020 in Animals
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Animal production is considered to compete with human food due to land use for feed ingredients and their relationship with environmental pollution. Crude protein (CP) is vital for the normal development of growth and carcass conformation in lambs. Dietary CP may be dependent on breed, age and market weights at slaughter. However, it appears that the feed industry formulates dietary CP levels above the physiological needs of these animals. Therefore, this study was designed to assess the effect of reducing the level of dietary CP (−2%) in intensively-fed growing (14–19 kg of body-weight) and finishing (19–25 kg of body-weight) lambs. Our findings revealed that a 2% reduction of dietary protein did not negatively affect some selected nutrient metabolism or mucosal immune function markers in the gastrointestinal tract. In addition, it was observed that the growth performance and feed efficiency of lambs fed lower CP levels would be the same as those fed higher levels. This study hypothesized that reducing the level of crude protein (CP) in lambs′ feed may improve nutrient utilization and did not negatively affect their productive efficiency, blood metabolites, oxidative status (OS) or intestinal immune barrier function. A total of 120 weaned male Ripollesa lambs (45–60 days old and 15.0 ± 1.5 kg of body weight) were used. Four feed concentrates were formulated for two different phases (growing and finishing): CP20/19 group (20% and 19% of CP on dry matter basis, for each phase, respectively) and CP18/17 group (18% and 17% of CP on dry matter basis, for each phase, respectively). Lambs were randomly assigned to feeding treatments by balancing initial body weight between groups. The reduction of dietary CP level did not impair their growth performance parameters, while it did improve the apparent digestibility of organic matter. Furthermore, the lambs of the CP18/17 group showed lower plasma urea levels with no effect on OS (malondialdehyde levels) or gastrointestinal immunity markers (gene expression of interleukin 10 (IL10), tumor necrosis factor-α (TNFA) and transforming growth factor-β1 (TGFB)).

ACS Style

Jonathan Pelegrin-Valls; Beatriz Serrano-Pérez; Daniel Villalba; María José Martín-Alonso; Juan Ramón Bertolín; Margalida Joy; Javier Álvarez-Rodríguez. Effect of Dietary Crude Protein on Productive Efficiency, Nutrient Digestibility, Blood Metabolites and Gastrointestinal Immune Markers in Light Lambs. Animals 2020, 10, 328 .

AMA Style

Jonathan Pelegrin-Valls, Beatriz Serrano-Pérez, Daniel Villalba, María José Martín-Alonso, Juan Ramón Bertolín, Margalida Joy, Javier Álvarez-Rodríguez. Effect of Dietary Crude Protein on Productive Efficiency, Nutrient Digestibility, Blood Metabolites and Gastrointestinal Immune Markers in Light Lambs. Animals. 2020; 10 (2):328.

Chicago/Turabian Style

Jonathan Pelegrin-Valls; Beatriz Serrano-Pérez; Daniel Villalba; María José Martín-Alonso; Juan Ramón Bertolín; Margalida Joy; Javier Álvarez-Rodríguez. 2020. "Effect of Dietary Crude Protein on Productive Efficiency, Nutrient Digestibility, Blood Metabolites and Gastrointestinal Immune Markers in Light Lambs." Animals 10, no. 2: 328.

Journal article
Published: 17 July 2019 in Animals
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Ewes receive hay or graze on fresh pastures supplemented with concentrates to fulfil their lactation requirements. Quebracho (Schinopsis balansae) can be added to change the ruminal fermentation. Fermentation parameters of forages alone and 70:30 forage:concentrate diets with control and quebracho concentrate were compared after 24 h of in vitro incubation. Fresh forage diets produced less gas (p < 0.05) and had greater IVOMD (p < 0.001), ammonia (NH3-N) content, valeric acid, branched-chain volatile fatty acid proportions, and lower propionic acid proportion than the hay diets (p < 0.01). In the hay diets, methane production increased with control concentrate (p < 0.01) and tended to decrease with quebacho concentrate (p < 0.10). The inclusion of both concentrates increased the acetic:propionic ratio (p < 0.01), and only the inclusion of quebracho concentrate increased the IVOMD (p < 0.01). In the fresh forage diets, gas and methane production increased with the inclusion of the control concentrate (p < 0.05), but methane production decreased with quebracho concentrate (p < 0.01). The inclusion of quebracho concentrate reduced the NH3-N content and valeric acid proportion (p < 0.05). In conclusion, the inclusion of quebracho concentrate would be advisable to reduce the CH4 production and NH3-N content in fresh forage diets and to increase the IVOMD in hay diets in comparison with the forages alone.

ACS Style

Pablo Jose Rufino-Moya; Mireia Blanco; Sandra Lobón; Juan Ramon Bertolín; Ramón Armengol; Margalida Joy. The Inclusion of Concentrate with Quebracho Is Advisable in Two Forage-Based Diets of Ewes According to the In Vitro Fermentation Parameters. Animals 2019, 9, 451 .

AMA Style

Pablo Jose Rufino-Moya, Mireia Blanco, Sandra Lobón, Juan Ramon Bertolín, Ramón Armengol, Margalida Joy. The Inclusion of Concentrate with Quebracho Is Advisable in Two Forage-Based Diets of Ewes According to the In Vitro Fermentation Parameters. Animals. 2019; 9 (7):451.

Chicago/Turabian Style

Pablo Jose Rufino-Moya; Mireia Blanco; Sandra Lobón; Juan Ramon Bertolín; Ramón Armengol; Margalida Joy. 2019. "The Inclusion of Concentrate with Quebracho Is Advisable in Two Forage-Based Diets of Ewes According to the In Vitro Fermentation Parameters." Animals 9, no. 7: 451.

Erratum
Published: 05 July 2019 in Animals
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The authors wish to make the following correction to their paper [...].

ACS Style

Pablo José Rufino-Moya; Mireia Blanco; Juan Ramón Bertolín; Margalida Joy. Erratum: Rufino-Moya, P.J., et al. Methane Production of Fresh Sainfoin, with or without PEG, and Fresh Alfalfa at Different Stages of Maturity is Similar, but the Fermentation End Products Vary. Animals 2019, 9, 197. Animals 2019, 9, 421 .

AMA Style

Pablo José Rufino-Moya, Mireia Blanco, Juan Ramón Bertolín, Margalida Joy. Erratum: Rufino-Moya, P.J., et al. Methane Production of Fresh Sainfoin, with or without PEG, and Fresh Alfalfa at Different Stages of Maturity is Similar, but the Fermentation End Products Vary. Animals 2019, 9, 197. Animals. 2019; 9 (7):421.

Chicago/Turabian Style

Pablo José Rufino-Moya; Mireia Blanco; Juan Ramón Bertolín; Margalida Joy. 2019. "Erratum: Rufino-Moya, P.J., et al. Methane Production of Fresh Sainfoin, with or without PEG, and Fresh Alfalfa at Different Stages of Maturity is Similar, but the Fermentation End Products Vary. Animals 2019, 9, 197." Animals 9, no. 7: 421.

Journal article
Published: 21 June 2019 in Food Chemistry
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The objective of this study was to develop an accurate and fast method to determine malondialdehyde (MDA) levels in raw and processed meat. This method is based on extraction with trichloroacetic acid (TCA), reaction with 2-thiobarbituric acid (TBA) and quantification with ultraperformance liquid chromatography with a fluorescence detector (UPLC-FLD) with ʎexcitation = 530 nm and ʎemission = 550 nm and with a diode array detector (UPLC-DAD) with ʎabsorbance = 532 nm. The method tested was compared with the TBARS spectrophotometric method with ʎabsorbance = 532 nm. The concentration of MDA was similar for most of the matrices in both UPLC methods, except for cooked ham and frankfurter sausage. The TBARS spectrophotometric method overestimated the MDA concentration in all the matrices. Therefore, the use of both chromatographic methods, especially UPLC-FLD, to determine MDA would be more advisable than the classic TBARS method to avoid overestimation in meat and processed meat products.

ACS Style

J.R. Bertolín; M. Joy; M. Blanco. Malondialdehyde determination in raw and processed meat products by UPLC-DAD and UPLC-FLD. Food Chemistry 2019, 298, 125009 .

AMA Style

J.R. Bertolín, M. Joy, M. Blanco. Malondialdehyde determination in raw and processed meat products by UPLC-DAD and UPLC-FLD. Food Chemistry. 2019; 298 ():125009.

Chicago/Turabian Style

J.R. Bertolín; M. Joy; M. Blanco. 2019. "Malondialdehyde determination in raw and processed meat products by UPLC-DAD and UPLC-FLD." Food Chemistry 298, no. : 125009.

Journal article
Published: 26 April 2019 in Animals
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Alfalfa and sainfoin are high-quality forages with different condensed tannins (CT) content, which can be affected by the stage of maturity. To study the effects of CT on fermentation parameters, three substrates (alfalfa, sainfoin, and sainfoin+PEG) at three stages of maturity were in vitro incubated for 72 h. Sainfoin had greater total polyphenol and CT contents than alfalfa. As maturity advanced, CT contents in sainfoin decreased (p < 0.05), except for the protein-bound CT fraction (p > 0.05). The total gas and methane production was affected neither by the substrate nor by the stage of maturity (p > 0.05). Overall, sainfoin and sainfoin+PEG had greater in vitro organic matter degradability (IVOMD) than alfalfa (p < 0.05). Alfalfa and sainfoin+PEG presented higher ammonia content than sainfoin (p < 0.001). Total volatile fatty acid (VFA) production was only affected by the stage of maturity (p < 0.05), and the individual VFA proportions were affected by the substrate and the stage of maturity (p < 0.001). In conclusion, alfalfa and sainfoin only differed in the IVOMD and the fermentation end products. Moreover, CT reduced ammonia production and the ratio methane: VFA, but the IVOMD was reduced only in the vegetative stage.

ACS Style

Pablo José Rufino-Moya; Mireia Blanco; Juan Ramón Bertolín; Margalida Joy. Methane Production of Fresh Sainfoin, with or without PEG, and Fresh Alfalfa at Different Stages of Maturity is Similar but the Fermentation End Products Vary. Animals 2019, 9, 197 .

AMA Style

Pablo José Rufino-Moya, Mireia Blanco, Juan Ramón Bertolín, Margalida Joy. Methane Production of Fresh Sainfoin, with or without PEG, and Fresh Alfalfa at Different Stages of Maturity is Similar but the Fermentation End Products Vary. Animals. 2019; 9 (5):197.

Chicago/Turabian Style

Pablo José Rufino-Moya; Mireia Blanco; Juan Ramón Bertolín; Margalida Joy. 2019. "Methane Production of Fresh Sainfoin, with or without PEG, and Fresh Alfalfa at Different Stages of Maturity is Similar but the Fermentation End Products Vary." Animals 9, no. 5: 197.

Short communication
Published: 27 February 2018 in Food Chemistry
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An accurate, fast, economic and simple method to determine carotenoids, tocopherols, retinol and cholesterol in lyophilised samples of ovine milk, muscle and liver and raw samples of fat, which are difficult to lyophilise, is sought. Those analytes have been studied in animal tissues to trace forage feeding and unhealthy contents. The sample treatment consisted of mild overnight saponification, liquid-liquid extraction, evaporation with vacuum evaporator and redissolution. The quantification of the different analytes was performed by the use of ultra-high performance liquid chromatography with diode-array detector for carotenoids, retinol and cholesterol and fluorescence detector for tocopherols. The retention times of the analytes were short and the resolution between analytes was very high. The limits of detection and quantification were very low. This method is suitable for all the matrices and analytes and could be adapted to other animal species with minor changes.

ACS Style

J.R. Bertolín; M. Joy; P.J. Rufino-Moya; S. Lobón; M. Blanco. Simultaneous determination of carotenoids, tocopherols, retinol and cholesterol in ovine lyophilised samples of milk, meat, and liver and in unprocessed/raw samples of fat. Food Chemistry 2018, 257, 182 -188.

AMA Style

J.R. Bertolín, M. Joy, P.J. Rufino-Moya, S. Lobón, M. Blanco. Simultaneous determination of carotenoids, tocopherols, retinol and cholesterol in ovine lyophilised samples of milk, meat, and liver and in unprocessed/raw samples of fat. Food Chemistry. 2018; 257 ():182-188.

Chicago/Turabian Style

J.R. Bertolín; M. Joy; P.J. Rufino-Moya; S. Lobón; M. Blanco. 2018. "Simultaneous determination of carotenoids, tocopherols, retinol and cholesterol in ovine lyophilised samples of milk, meat, and liver and in unprocessed/raw samples of fat." Food Chemistry 257, no. : 182-188.