Renata Helena Branco Arnandes

Universidade Estadual Paulista (Unesp)

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Sarah Figueiredo Martins Bonilha

Institute of Animal Science and Pastures

Romeu Fernandes Nardon

Agência Paulista de Tecnologia dos Agronegócios

Maria Eugênia Zerlotti Mercadante

Universidade Estadual Paulista (Unesp)

Joslaine Noely dos Santos Gonçalves Cyrillo

Institute of Animal Science and Pastures

Cláudio Vieira de Araújo

Universidade Federal de Mato Grosso

Felipe Cecconelo Bento

Universidade Federal de Mato Grosso

Roberto de Oliveira Roça

Universidade Estadual Paulista (Unesp)

ÂP

Ângelo Polizel Neto

Universidade Federal de Rondônia

Helen Fernanda Barros Gomes

Universidade Federal de Rondônia

Juliana Varchaki Portes

Universidade Federal do Rio Grande do Sul

Cooperative Institutions

Universidade Estadual Paulista (Unesp)

Institute of Animal Science and Pastures

Agência Paulista de Tecnologia dos Agronegócios

Secretaria de Agricultura e Abastecimento

Universidade Federal de Mato Grosso

San Antonio College

Universidade Federal do Paraná

National Council for Scientific and Technological Development

American Physical Therapy Association

Universidade de São Paulo

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Cottonseed and Soy-bean agro-industrial by-products used in feedlot cattle diet: effects on beef fatty acid profile and quality parameters

Figshare (2022)

Ângelo Polizel Neto Roberto de Oliveira Roça Renata Helena Branco Arnandes Sarah Figueiredo Martins Bonilha Cláudio Vieira de Araújo

ABSTRACT Beef composition are directly influenced by the dietary fat, particularly in ruminants, due to rumen biohydrogenation, which promotes alterations in the dietary fatty acid (FA) profile and affects the meat quality. Beef sensorial, chemical, and FA compositions of intramuscular and subcutaneous fat were evaluated, from 40 Nellore males finished on feedlot diet based, containing cottonseed (CSB) and soybean by-product (SOB) as agro-industrial by-product fat sources. CSB as a fat source, did not alter the beef pH, shear force, chemical composition, or subcutaneous FA profile compared with the SOB diet. Differences were observed at yellow and red beef color, with low and high CSB diet inclusion; on the contrary, inclusion of SOB in the diet led to an intensely unpleasant aroma in aged and cooked meats. Regarding beef FA profile, CSB with 3% dietary fat produced steaks with a lower proportion of C 17:0 , having 1.359 and 3.238 g/100 g of intramuscular FA, whereas CSB with 5% dietary fat led to an increase in C 18:2 n -6 , with 0.298 and 0.132 g/100 g of intramuscular FA in steaks from animals fed with CSB and SOB, respectively. CSB produced more intense red beef color, unpleasant aroma, and higher linoleic acid content; however, the color and aroma of the meat produced from cattle fed with CSB in the diet were less intense and were like those observed in cattle fed with SOB; these could therefore be recommended for use as agro-industrial by-products in beef cattle diet.

Feedlot

Cottonseed

Soy bean

Beef Cattle

Cottonseed meal

Cottonseed oil

10.6084/m9.figshare.20382299

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Relationships among biometric measurements, carcass traits and meat commercial cuts in Zebu and Caracu bulls

DOAJ (DOAJ: Directory of Open Access Journals) (2012)

Joslaine Noely dos Santos Gonçalves Cyrillo Romeu Fernandes Nardon Maria Eugênia Zerlotti Mercadante Sarah Figueiredo Martins Bonilha Renata Helena Branco Arnandes

Zebu

Carcass weight

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Cottonseed and Soy-bean agro-industrial by-products used in feedlot cattle diet: effects on beef fatty acid profile and quality parameters

Revista Brasileira de Saúde e Produção Animal (2022)

Ângelo Polizel Neto Roberto de Oliveira Roça Renata Helena Branco Arnandes Sarah Figueiredo Martins Bonilha Cláudio Vieira de Araújo

Feedlot

Intramuscular fat

Cottonseed

Marbled meat

Beef Cattle

Cottonseed meal

10.1590/s1519-9940202100082022

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Relações entre medidas biométricas, características de carcaça e cortes cárneos comerciais em bovinos Zebu e Caracu

Boletim de Indústria Animal (2012)

Joslaine Noely dos Santos Gonçalves Cyrillo Romeu Fernandes Nardon Maria Eugênia Zerlotti Mercadante Sarah Figueiredo Martins Bonilha Renata Helena Branco Arnandes

During three consecutive years a total of 144 bull records from the Zebu breeds Nellore, Guzerah and Caracu breed, selected for post-weaning weight, finished in feedlot and slaughtered at an average age of 19 months, with three different degrees of maturity, were analyzed. Multivariate procedure (MANOVA) was used to estimate the residual correlations between body measurements and carcass traits. The model fitted the effects of genetic groups, order of slaughter and year of birth. Correlation coefficient between hip height and carcass weight was 0.37, antagonistic to the amount of kidney fat (-0.14). High correlation coefficients were estimated between chest girth and carcass weight (0.77), blade (0.57), and chuck (0.67) and positive correlations were estimated between chest girth and kidney fat (0.38) and carcass fat (0.52). The estimated correlation coefficient between body length and carcass weight was 0.38. Correlation coefficients between dorsal line length, rump length and distance among pin bones and all the meat cuts of commercial interest analyzed ranged from 0.24 to 0.56. In addition to live body weight, chest girth and distances between hip bones can be considered an auxiliary tool for evaluation of carcass traits in Zebu and Caracu bulls. Other body measurements analyzed resulted in low or null relationship to carcass traits.

Zebu

Rump

Feedlot

Girth (graph theory)

Carcass weight

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Genetic parameters for weights from birth to 10 years of age in different beef cow breeds

Animal Production Science (2020)

Juliana Varchaki Portes Joslaine Noely dos Santos Gonçalves Cyrillo Lenira El Faro Sarah Figueiredo Martins Bonilha Renata Helena Branco Arnandes

Context Most Brazilian beef breeding programs perform selection for young bodyweight, which will inevitably increase mature weight due to the genetic correlation among weights at different ages. Aims The objective of the present study was to estimate genetic parameters for bodyweight from birth to maturity in Gir, Guzerat, Nelore and Caracu cows born between 1981 and 2014 at Centro APTA Bovinos de Corte, Instituto de Zootecnia, Sertãozinho, São Paulo, Brazil. Methods The model included the fixed effects of contemporary group (herd and year of birth), month of birth and previous reproductive status (calved = 1, or not calved = 0), the linear and quadratic effects of animal and cow age as covariates, and direct additive genetic, maternal genetic and maternal permanent environmental effects as random effects. The genetic parameters were estimated by univariate analysis of weights adjusted at birth, and at 120, 210, 378, 450 and 550 days of age, and annually from 2 to 10 years. In addition, multivariate analysis was performed considering weights at birth, and at 210 and 550 days, and at 5 years of age for all breeds. Key results For the different breeds, the heritability estimates ranged from 0.28 to 0.49 for birthweight, from 0.11 to 0.31 for weaning weight, from 0.25 to 0.43 for yearling weight, and from 0.25 to 0.69 for weights from 2 to 10 years of age. The genetic correlations were high and positive, indicating that selection at any age will affect weights at the other ages. Conclusions The results suggest the possibility of genetic progress for weights at different ages and the use of the young weights to monitor the mature weight of the animals. Implications As the trait most strongly correlated with mature weight was yearling weight, already used as the selection criteria for females in the breeding program of the Instituto de Zootecnia, selection indexes should be derived to keep the mature cow weight constant, since heavier cows could be undesirable for pasture-based Brazilian production systems.

Beef Cattle

Genetic correlation

Maternal effect

10.1071/an18325

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DOAJ (DOAJ: Directory of Open Access Journals) (2012)

Joslaine Noely dos Santos GonÃ§alves Cyrillo Romeu Fernandes Nardon Maria EugÃania Zerlotti Mercadante Sarah Figueiredo Martins Bonilha Renata Helena Branco Arnandes

Zebu

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