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Ruminal fermentation of Nellore steers fed crude glycerine replacing starch vs. fibre-based energy ingredient in low or high concentrate diets Animal Sciences
Lage, Josiane Fonseca; San Vito, Elias; Reis, Ricardo de Andrade; Delevatti, Lutti Maneck; Pierre, Norman Saint; Berchielli, Telma Teresinha.
Twelve ruminally cannulated steers (401.0 ± 41.5 kg) and 24 mo were used in a replicated arrangement truncated Latin Square with six animals in six treatments and four periods to evaluate the effect of crude glycerine (CG; 80.3% of glycerol) with starch or fiber-based energy ingredients in the concentrate on DMI, DM (DMD) and NDF digestibility (NDFD) and ruminal parameters. Experimental periods were 19 days (14 days for adaptation and 5 days to sampling). Diets were: CO - without CG and corn as ingredient of concentrate; CGC - inclusion of CG (10% of DM) with corn in the concentrate; and CGSH - inclusion of CG (10% of DM) with soybean hulls (SH) in the concentrate. All three diets were offered at low (LC) or high (HC) concentrate level, CL (40 or 60%)....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Avaliação de Alimentos acetate; Glycerol; Propionate; PH; Soybean hulls.
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/32895
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Aging time of five muscles from carcass of Nellore young bulls Animal Sciences
Simonetti, Laís Regina; Lage, Josiane Fonseca; Berchielli, Telma Teresinha; Oliveira, Emanuel Almeida; Dallantonia, Erick Escobar; Delevatti, Lutti Maneck.
This trial aimed to assess the qualitative traits of five muscles of 14 Nellore bulls with 450 kg ± 30.7 kg BW, feedlot fed for 60 days. After slaughter and carcass chilling, samples of the Biceps femoris (BF), Longissimus (LD), Gluteus medius (GM), Semitendinosus (ST) and Trapezius thoracis (TT) muscles were collected, vacuum-packed and aged at 0 to 2 ºC for 1, 7 and 14 days and subsequently stored at –20ºC for chemical and quality analysis. The pH, shear force, water holding capacity, cooking losses, meat color and ether extract were evaluated in all aging times. Data were analyzed in a split-plot design using the PROC MIXED procedure of SAS. Aging affected quality traits and chemical properties of the meat, improving aspects, such as tenderness (p <...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal Science; Animal production beef cattle; Biceps femoris; Longissimus; Meat color; Nellore; Tenderness..
Ano: 2015 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/26503
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Quality of aged meat of young bulls fed crude glycerin associated with different roughage sources Animal Sciences
Machado, Mirela; Lage, Josiane Fonseca; Ribeiro, Andressa Ferreira; Simonetti, Lais Regina; Oliveira, Emanuel Almeida; Berchielli, Telma Teresinha.
This trial aimed to evaluate the inclusion of 10%  of crude glycerin associated with roughage sources on the quality of meat aged for 1, 7 or 14 days post mortem of Nellore young bulls. Thirty feedlot animals (n = 10) with initial body weight of 416.70 ± 24.74 kg and 18 months of age were assigned to three treatments: corn silage (CS), sugar cane (SC) and sugar cane bagasse (CB), using a completely randomized design. After 85 days of feeding, animals were slaughtered with 554.51 ± 38.51 kg. Samples of longissimus muscle were collected, after carcass chilling, and vacuum-packed. Diets influenced pH, meat color and subcutaneous fat (SF) (p > 0.05). Animals fed CS showed higher values of b* in SF (p < 0.05). Differences were not found in the meat fatty...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zootecnia Produção Animal beef cattle; Sugar cane bagasse; Fatty acids; Glycerol; Tenderness.
Ano: 2015 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/25695
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Effect of rib fat thickness on the quality of aged meat from Nellore young bulls Animal Sciences
Dallantonia, Erick Escobar; Lage, Josiane Fonseca; Simonetti, Lais Regina; San Vito, Elias; Dellevatti, Lutti Maneck; Berchielli, Telma Teresinha.
This trial aimed to evaluate the quality of aged beef from Nellore young bulls under two yield grade (YG). Fourteen animals with approximately 450 ± 30 kg body weight were evaluated for backfat thickness (BFT) at the beginning of the experimental period. Seven animals had BFT of 0-3 mm and seven animals, 3.1-6 mm. Two groups were formed at the end of the experiment: animals finished with 3-6 mm BFT (seven animals) and animals finished with 6.1 to 10 mm BFT (seven animals). Every 28 days, we evaluated by ultrasound the BFT between the 12nd 13rd ribs. There was no interaction between YG and aging for beef color, pH, cooking losses and shear force (p > 0.05). There was no effect of YG on sarcomere length (p = 0.11). However, there was interaction between...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zootecnia - Produção Animal aging; Longissimus; Subcutaneous fat..
Ano: 2015 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/25694
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Produção de metano entérico em pastagens tropicais. Organic Eprints
Berchielli, Telma Teresinha; Messana, Juliana Duarte; Canesin, Roberta Carrilho.
Na presente revisão, buscou-se apresentar os principais impactos ambientais causados pela pecuária, sobretudo, em relação às emissões de gases efeito estufa (GEE). Além disso, buscou-se apresentar possíveis formas de mitigar essas externalidades. A criação de bovinos, no Brasil, acontece de forma extensiva, muitas vezes em áreas com pastagem degradada e, portanto, de baixa produtividade. Isso possibilita à atividade uma oportunidade de redução do impacto causado ao meio ambiente, uma vez que ações tomadas, no sentido de melhorar o rendimento animal, devem resultar em um menor consumo de recursos naturais (terra e água) e maior eficiência do sistema digestivo animal. Os principais problemas apontados pelos pesquisadores, no que tange à pecuária extensiva,...
Tipo: Journal paper Palavras-chave: Pasture and forage crops; Production systems; Crop husbandry.
Ano: 2012 URL: http://orgprints.org/29086/1/Berchielli_Produ%C3%A7%C3%A3o.pdf
Registros recuperados: 5
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