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        • KCI등재후보SCOPUS

          Carcass Characteristics and Chemical Composition of the Longissimus Muscle of Nellore, Caracu and Holstein-friesian Bulls Finished in a Feedlot

          Polyana,Pizzi,Rotta,Ivanor,Nunes,do,Prado,Rodolpho,Martin,do,Prado,Jose,Luiz,Moletta,Roberio,Rodrigues,Silva,Daniel,Perotto 아세아·태평양축산학회 2009 Animal Bioscience Vol.22 No.4

          This work was carried out to study the carcass characteristics, the chemical composition and the fatty acid profile in Longissimus muscle (LM) of bull breeds Nellore, NEL (11), Caracu, CAR (12) and Holstein-Friesian, HFR (12) finished in a feedlot. The bulls were fed twice a day with corn silage, cotton meal, cracked corn, urea, limestone and mineral salt. NEL and CAR bulls had similar (p>0.05) final weight and hot carcass weight. However, NEL and CAR bulls had higher (p<0.05) final weight and hot carcass weight than HFR bulls. Carcass hot dressing, carcass conformation, cushion thickness, Longissimus muscle area and texture were similar (p>0.05) among NEL, CAR and HFR bulls. NEL and HFR bulls had higher (p<0.05) carcass length in comparison to the CAR breed. Nellore breed had higher (p<0.05) leg length in comparison to CAR and HFR breeds. Leg length was similar (p>0.05) between CAR and HFR breeds. Thickness fat, color and marbling score were lower (p<0.05) in NEL breed in comparison to CAR and HFR breeds. LM of NEL bulls had higher (p<0.05) meat moisture content in comparison to CAR and HFR bulls. In contrast, lipid content was lower (p<0.10) in HFR bulls. LM ash and crude protein contents were similar (p>0.05) among breeds. Saturated fatty acids (SFA) were higher (p<0.10) in HFR animals. Monounsaturated fatty acids (MUFA), polyunsaturated fatty acids (PUFA), n-6, n-3 and PUFA/SFA ratio were similar (p>0.05) among the different breeds. N-6/n-3 ratio was higher (p<0.05) in CAR animals.

        • KCI등재후보SCOPUS

          The Effects of Genetic Groups, Nutrition, Finishing Systems and Gender of Brazilian Cattle on Carcass Characteristics and Beef Composition and Appearance: A Review

          Polyana,Pizzi,Rotta,Rodolpho,Martin,do,Prado,Ivanor,Nunes,do,Prado,Maribel,Velandia,Valero,Jesuí,Vergílio,Visentainer,Robério,Rodrigues,Silva 아세아·태평양축산학회 2009 Animal Bioscience Vol.22 No.12

          The aim of this review is to address some characteristics that influence meat quality. Genetic groups, nutrition, finishing systems and gender are the major factors that change carcass characteristics, chemical composition and fatty acid profile. Genetic groups that have zebu genes in their composition show higher hot carcass dressing than genetic groups without zebu genes. Genetic groups that have European breeds in their composition have higher marbling scores. On the other hand, genetic groups that have zebu breeds show low marbling scores. Bulls finished in feedlots present higher final weight than steers, cull cows and heifers. Fat thickness is one of the principal parameters that are affected by different gender. Cull cows (4.72 mm) and heifers (4.00 mm) present higher values than bulls (1.75 mm) and steers (2.81 mm). The major effects observed by different systems of termination are fat thickness and marbling. Crude protein presents variation due to nutrition. Nutrition influences variation of fatty acid profile. Genetic groups also influence fatty acid profile. Genetic groups that have zebu genes in their composition show high percentage of PUFA. The major class of fatty acids that is changed with nutrition is PUFA. The better ratios of PUFA/SFA and n-6/n-3 are found in Longissimus muscle of animals finished in pasture systems.

        • SCIESCOPUSKCI등재

          Carcass Characteristics and Chemical Composition of the Longissimus Muscle of Nellore, Caracu and Holstein-friesian Bulls Finished in a Feedlot

          Rotta,,Polyana,Pizzi,do,Prado,,Ivanor,Nunes,do,Prado,,Rodolpho,Martin,Moletta,,Jose,Luiz,Silva,,Roberio,Rodrigues,Perotto,,Daniel Asian Australasian Association of Animal Productio 2009 Animal Bioscience Vol.22 No.4

          This work was carried out to study the carcass characteristics, the chemical composition and the fatty acid profile in Longissimus muscle (LM) of bull breeds Nellore, NEL (11), Caracu, CAR (12) and Holstein-Friesian, HFR (12) finished in a feedlot. The bulls were fed twice a day with corn silage, cotton meal, cracked corn, urea, limestone and mineral salt. NEL and CAR bulls had similar (p>0.05) final weight and hot carcass weight. However, NEL and CAR bulls had higher (p<0.05) final weight and hot carcass weight than HFR bulls. Carcass hot dressing, carcass conformation, cushion thickness, Longissimus muscle area and texture were similar (p>0.05) among NEL, CAR and HFR bulls. NEL and HFR bulls had higher (p<0.05) carcass length in comparison to the CAR breed. Nellore breed had higher (p<0.05) leg length in comparison to CAR and HFR breeds. Leg length was similar (p>0.05) between CAR and HFR breeds. Thickness fat, color and marbling score were lower (p<0.05) in NEL breed in comparison to CAR and HFR breeds. LM of NEL bulls had higher (p<0.05) meat moisture content in comparison to CAR and HFR bulls. In contrast, lipid content was lower (p<0.10) in HFR bulls. LM ash and crude protein contents were similar (p>0.05) among breeds. Saturated fatty acids (SFA) were higher (p<0.10) in HFR animals. Monounsaturated fatty acids (MUFA), polyunsaturated fatty acids (PUFA), n-6, n-3 and PUFA/SFA ratio were similar (p>0.05) among the different breeds. N-6/n-3 ratio was higher (p<0.05) in CAR animals.

        • SCIESCOPUSKCI등재

          The Effects of Genetic Groups, Nutrition, Finishing Systems and Gender of Brazilian Cattle on Carcass Characteristics and Beef Composition and Appearance: A Review

          Pizzi,Rotta,,Polyana,do,Prado,,Rodolpho,Martin,do,Prado,,Ivanor,Nunes,Valero,,Maribel,Velandia,Visentainer,,Jesui,Vergilio,Silva,,Roberio,Rodrigues Asian Australasian Association of Animal Productio 2009 Animal Bioscience Vol.22 No.12

          The aim of this review is to address some characteristics that influence meat quality. Genetic groups, nutrition, finishing systems and gender are the major factors that change carcass characteristics, chemical composition and fatty acid profile. Genetic groups that have zebu genes in their composition show higher hot carcass dressing than genetic groups without zebu genes. Genetic groups that have European breeds in their composition have higher marbling scores. On the other hand, genetic groups that have zebu breeds show low marbling scores. Bulls finished in feedlots present higher final weight than steers, cull cows and heifers. Fat thickness is one of the principal parameters that are affected by different gender. Cull cows (4.72 mm) and heifers (4.00 mm) present higher values than bulls (1.75 mm) and steers (2.81 mm). The major effects observed by different systems of termination are fat thickness and marbling. Crude protein presents variation due to nutrition. Nutrition influences variation of fatty acid profile. Genetic groups also influence fatty acid profile. Genetic groups that have zebu genes in their composition show high percentage of PUFA. The major class of fatty acids that is changed with nutrition is PUFA. The better ratios of PUFA/SFA and n-6/n-3 are found in Longissimus muscle of animals finished in pasture systems.

        • KCI등재후보SCOPUS

          Carcass Characteristics, Chemical Composition and Fatty Acid Profile of Longissimus Muscle of Bulls and Steers Finished in a Pasture System Bulls and Steers Finished in Pasture Systems

          Juliana,Aparecida,Aricetti,Polyana,Pizzi,Rotta,Rodolpho,Martin,do,Prado,Daniel,Perotto,Jose,Luiz,Moletta,Makoto,Matsushita,Ivanor,Nunes,do,Prado 아세아·태평양축산학회 2008 Animal Bioscience Vol.21 No.10

          This experiment was carried out to study the carcass characteristics, chemical composition and fatty acid profile of the Longissimus muscle (LM) of bulls (10) and steers (17) finished in a pasture system. Animals (1/2 Zebu vs. 1/2 Aberdeen Angus) were fed in a pasture system (Hermatria altissima) and with a supplement of soybean meal, cracked corn, urea, limestone and mineral salts, twice a day. Both animal groups were slaughtered at 27 months of age, with an average 508.88 kg of live weight. Final weight, hot carcass weight and texture were similar (p>0.05) between bulls and steers. Carcass dressing, fat thickness, color and marbling were higher (p<0.02) in steers. Conversely, the Longissimus area was greater (p<0.05) in bulls. Moisture levels were higher (p<0.01) in bulls. Ash, crude protein, total lipids and total cholesterol levels were higher (p<0.10) in steers. C14:0, C16:0, C16:1 n-7 and C18:1 n-9 fatty acids percentages were higher (p<0.06) in steers. C16-1 n-10, i 17:0, C19:0, C18:2 n-6, C18:3 n-3, C20:2 n-3 C20:4 n-6, C20:5 n-3, C22:1 n-7, C22:4 n-6 and C22:5 n-3 fatty acids percentages were higher (p<0.05) in bulls. The percentage of the other fatty acids was similar (p>0.05) in bulls and steers. The levels of monounsaturated fatty acids were higher (p<0.02) in steers while polyunsaturated fatty acids, n-3, n-6, PUFA/SFA and n6:n3 ratios, were higher (p<0.05) in bulls. The CLA contents (mg/g lipids) were similar (p>0.10) in bulls and steers.

        • SCIESCOPUSKCI등재

          Carcass Characteristics, Chemical Composition and Fatty Acid Profile of Longissimus Muscle of Bulls and Steers Finished in a Pasture System Bulls and Steers Finished in Pasture Systems

          Aricetti,,Juliana,Aparecida,Rotta,,Polyana,Pizzi,do,Prado,,Rodolpho,Martin,Perotto,,Daniel,Moletta,,Jose,Luiz,Matsushita,,Makoto,do,Prado,,Ivanor,Nunes Asian Australasian Association of Animal Productio 2008 Animal Bioscience Vol.21 No.10

          This experiment was carried out to study the carcass characteristics, chemical composition and fatty acid profile of the Longissimus muscle (LM) of bulls (10) and steers (17) finished in a pasture system. Animals (1/2 Zebu vs. 1/2 Aberdeen Angus) were fed in a pasture system (Hermatria altissima) and with a supplement of soybean meal, cracked corn, urea, limestone and mineral salts, twice a day. Both animal groups were slaughtered at 27 months of age, with an average 508.88 kg of live weight. Final weight, hot carcass weight and texture were similar (p>0.05) between bulls and steers. Carcass dressing, fat thickness, color and marbling were higher (p<0.02) in steers. Conversely, the Longissimus area was greater (p<0.05) in bulls. Moisture levels were higher (p<0.01) in bulls. Ash, crude protein, total lipids and total cholesterol levels were higher (p<0.10) in steers. C14:0, C16:0, C16:1 n-7 and C18:1 n-9 fatty acids percentages were higher (p<0.06) in steers. C16-1 n-10, i 17:0, C19:0, C18:2 n-6, C18:3 n-3, C20:2 n-3 C20:4 n-6, C20:5 n-3, C22:1 n-7, C22:4 n-6 and C22:5 n-3 fatty acids percentages were higher (p<0.05) in bulls. The percentage of the other fatty acids was similar (p>0.05) in bulls and steers. The levels of monounsaturated fatty acids were higher (p<0.02) in steers while polyunsaturated fatty acids, n-3, n-6, PUFA/SFA and n6:n3 ratios, were higher (p<0.05) in bulls. The CLA contents (mg/g lipids) were similar (p>0.10) in bulls and steers.

        • KCI등재후보SCOPUS

          Carcass Characteristics and Chemical Composition of the Longissimus Muscle of Purunã and 1/2 Purunã vs. 1/2 Canchin Bulls Meat Quality of Bulls

          Ivanor,Nunes,do,Prado,Polyana,Pizzi,Rotta,Rodolpho,Martin,do,Prado,Jesui,Vergilio,Visantainer,Jose,Luis,Moletta,Daniel,Perotto 아세아·태평양축산학회 2008 Animal Bioscience Vol.21 No.9

          This work was conducted to study the performance, carcass characteristics, chemical composition and fatty acid profile of the Longissimus muscle (LM) of first-generation Purunã (n = 7, PUR1), second-generation Purunã (n = 9, PUR2), and 1/2 Purunã vs. 1/2 Canchin (n = 13, PUCA) bulls finished in a feedlot. The animals averaged 18 months of age at the beginning of the experiment. The animals were kept in a feedlot from 18 to 22 months of age. They were fed twice a day with corn silage ad libitum, along with soybean meal, cracked corn, urea, limestone and mineral salt. PUR1 bulls had greater (p<0.05) final weight (496.0 kg) than PUCA bulls (449.2 kg). However, there was no difference (p>0.05) between PUR1 and PUR2 (472.0 kg), and between PUR2 and PUCA. Hot carcass weight was similar (p>0.05) among the different genetic groups. Hot carcass dressing percentage was similar (p>0.10) between PUR1 (50.4%) and PUCA (53.8%), and higher (p<0.10) than PUR2 (48.6%). Cushion thickness was greater (p<0.05) in PUCA bulls (27.12 cm). The other parameters were similar (p<0.05) among the three genetic groups. Total lipid and cholesterol contents were higher (p<0.01) in PUR2. Moisture, ash and crude protein contents were similar (p>0.05) among the three genetic groups. Saturated fatty acid (SFA) levels were higher (p<0.10) in PUR1 and PUR2 (51.58% and 50.41%, respectively). Polyunsaturated fatty acid levels were higher (p<0.05) in PUR1 and PUCA (6.50% and 8.29%, respectively). N-6, n-3 and PUFA/SFA ratios were higher (p<0.05) in PUCA. MUFA and n-6/n-3 ratios were similar (p>0.05) among the different genetic groups.

        • SCIESCOPUSKCI등재

          Chemical Composition and Fatty Acid Profile in Crossbred (Bos taurus vs. Bos indicus) Young Bulls Finished in a Feedlot

          Ducatti,,Taciana,do,Prado,,Ivanor,Nunes,Rotta,,Polyana,Pizzi,do,Prado,,Rodolpho,Martin,Perotto,,Daniel,Maggioni,,Daniele,Visentainer,,Jesui,Vergilio Asian Australasian Association of Animal Productio 2009 Animal Bioscience Vol.22 No.3

          This study was conducted to determine the effect of breed on the chemical composition of first (PUR1) and second (PUR2) generations of $Purun{\tilde{a}}$ young bulls, and to compare both generations with different genetic groups: CAN vs. ANG; CAR; and CHA vs. CAR. Thirty bulls were used. The animals from the PUR2 and CHA vs. CAR genetic groups featured higher (p<0.05) moisture percentage in comparison to the PUR1, CAR and CAN vs. ANG groups. The moisture percentage was similar (p>0.05) between PUR2 and CHA vs. CAR animals. The same was observed among the PUR1, CAR, CAN vs. ANG and CHA vs. CAR animals. There was no difference (p>0.05) among genetic groups for ash, total lipids and total cholesterol. The PUR1, CAR and CAN vs. ANG specimens had higher (p<0.05) crude protein percentages as compared to PUR2 and CAN vs. CAR animals. The fatty acid profile was different (p<0.05) among genetic groups. However, the percentages of SFA, MUFA, PUFA, n-6, n-3, PUFA:SFA, and n-6:n-3 were similar (p>0.05) among genetic groups.

        • KCI등재후보SCOPUS

          Chemical Composition and Fatty Acid Profile in Crossbred (Bos taurus vs. Bos indicus) Young Bulls Finished in a Feedlot

          Taciana,Ducatti,Ivanor,Nunes,do,Prado,Polyana,Pizzi,Rotta,Rodolpho,Martin,do,Prado,Daniel,Perotto,Daniele,Maggioni,Jesui,Vergilio,Visantainer 아세아·태평양축산학회 2009 Animal Bioscience Vol.22 No.3

          This study was conducted to determine the effect of breed on the chemical composition of first (PUR1) and second (PUR2) generations of Purun찾 young bulls, and to compare both generations with different genetic groups: CAN vs. ANG; CAR; and CHA vs. CAR. Thirty bulls were used. The animals from the PUR2 and CHA vs. CAR genetic groups featured higher (p<0.05) moisture percentage in comparison to the PUR1, CAR and CAN vs. ANG groups. The moisture percentage was similar (p>0.05) between PUR2 and CHA vs. CAR animals. The same was observed among the PUR1, CAR, CAN vs. ANG and CHA vs. CAR animals. There was no difference (p>0.05) among genetic groups for ash, total lipids and total cholesterol. The PUR1, CAR and CAN vs. ANG specimens had higher (p<0.05) crude protein percentages as compared to PUR2 and CAN vs. CAR animals. The fatty acid profile was different (p<0.05) among genetic groups. However, the percentages of SFA, MUFA, PUFA, n-6, n-3, PUFA:SFA, and n-6:n-3 were similar (p>0.05) among genetic groups.

        • KCI등재후보SCOPUS

          Carcass Characteristics, Chemical Composition and Fatty Acid Profile of the Longissimus Muscle of Bulls (Bos taurus indicus vs. Bos taurus taurus) Finished in Pasture Systems

          Ivanor,Nunes,do,Prado,Juliana,Aparecida,Aricetti,Polyana,Pizzi,Rotta,Rodolpho,Martin,do,Prado,Daniel,Perotto,Jesui,Vergilio,Visentainer,Makoto,Matsushita 아세아·태평양축산학회 2008 Animal Bioscience Vol.21 No.10

          This experiment was carried out to evaluate the carcass characteristics, chemical composition and fatty acid profile of the Longissimus muscle (LM) of three cattle genetic groups (Purunã, PUR, 11; 1/2 Purunã vs. 1/2 British, PUB, 6 and 1/2 Charolais vs. 1/2 Caracu, CHC, 10) finished in pasture systems. The field work took place at the Lapa Research Farm of the Agronomic Institute of Paraná, in the city of Lapa, south Brazil. The animals were fed during the winter with corn silage, cottonseed meal, cracked corn, urea, limestone and mineral salts as sources of protein, as well as an energy supplement, in pasture systems of Brachiaria decumbens Stapf. The animal groups were slaughtered at 20 months of age, at 501±22.6 kg live weight. CHC bulls had higher (p<0.05) final weight than PUR and PUB bulls. Hot carcass weight was similar (p>0.10) between PUR and PUB. Hot carcass dressing percentage was higher (p<0.05) for PUB bulls than for PUR and CHC bulls. On the other hand, hot carcass dressing percentage was similar (p>0.05) between PUR and CHC bulls. Fat thickness was similar (p>0.10) among all genetic groups. However, the Longissimus area of CHC bulls was greater (p<0.05) than in PUR and PUB genetic groups. The genetic groups did not affect (p>0.10) the marbling of Longissimus. There was no observed difference (p>0.10) in moisture, ash, crude protein and total cholesterol contents among the three genetic groups. On the other hand, the total lipid percentage was higher (p<0.05) for the PUB genetic group in comparison with PUR and CHC. CLA percentage was highest for PUR animals. However, total CLA amounts were not altered by the different genetic groups.

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