Desempenho e resposta metabólica de bezerros recebendo dietas suplementadas com cromo

Zanetti, Marcus Antônio; Salles, Márcia Saladini Vieira; Brisola, Marcelo Landim; César, Marcelo Cerqueira

doi:10.1590/s1516-35982003000600030

Cited by 12 publications

(15 citation statements)

References 8 publications

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“…Similarly, Zanetti et al (2003) reported that there was no difference in weight gain, efficiency and feed conversion using supplementation with 0.4 mg / kg dry matter (DM) Cr complexed to the organic molecule in Holstein calves not exposed to stress. On the other hand, Bernhard et al (2012) reported that Cr supplementation for the basal diet may have beneficial effects on the performance and health of crossbred newborn calves.…”

Section: Resultsmentioning

confidence: 98%

Performance and carcass traits of heifers Rubia Gallega x Nellore supplemented with chromium picolinate

et al. 2019

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The objective was to evaluate the productive performance and the carcass traits of Nellore (NEL) and Rubia Gallega x Nellore F1 (NRG) heifers, subjected to energy-protein supplementation with chromium picolinate (CrP). Sixty heifers (30 NEL and 30 NRG) with a mean initial adjusted body weight (BW) of 214.50 kg and mean age of 201 days were distributed into a completely randomized design, in a 2 x 2 factorial (2 genetic groups x 2 supplementation groups). The experimental period lasted 320 days. There was no interaction (p>0.05) between the genetic groups and the supplements. The addition of CrP to the supplement did not alter the performance and carcass characteristics evaluated (p>0.05). However, the NRG genetic group was better than the NEL in the performance characteristics as final live weight, mean daily gain and carcass yield as carcass yield, Muscularity (p≤0.05).The use of the Rubia Gallega genotype in crossbreeding provides an increase in production of heavier carcasses with lower fat percentages and higher yields when compared to the use of Nellore heifers.

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Section: Resultsmentioning

confidence: 98%

Performance and carcass traits of heifers Rubia Gallega x Nellore supplemented with chromium picolinate

et al. 2019

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“…The relationship between chromium and animal production is controversial, because different studies indicated that no relationship exists between chromium supplementation and increased body weight in ruminants (Chang & Mowat 1992, Zanetti et al 2003, Pechova & Pavlata 2007, Yanchev et al 2008, Kumar et al 2013). However, the methodology and analysis employed in the present study are likely factors that contributed to the positive results obtained.…”

Section: Resultsmentioning

confidence: 99%

“…The factors associated with increased accumulated weight gain in supplemented animals were associated with lower stress, reduced fighting, and frequent visits to the trough. Among animals with limited stress, the benefits of chromium supplementation would not correspond to enhanced productive gain (Zanetti et al 2003).…”

Section: Resultsmentioning

confidence: 99%

Influence of organic chromium supplementation on the performance of beef calves undergoing weaning-related stress

Sousa

Mori

et al. 2020

Pesq. Vet. Bras.

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ISSN 0100-736X (Print) ISSN 1678-5150 (Online) RESUMO.-[Influência da suplementação com cromo orgânico no desempenho de bezerros de corte submetidos ao estresse da desmama.] O estudo foi realizado para avaliar a hipótese de que a suplementação dietética com cromo antes, durante e após a desmama possa diminuir a concentração de cortisol causado por este processo em bezerros de corte. Para tal, foram utilizados 150 bezerros mestiços, machos e fêmeas, entre cinco e seis meses de idade. Os animais foram divididos randomicamente por sexo e grupo genético em dois grupos homogêneos (n=75), um mantido como controle e outro suplementado com 0,9mg de carboaminofosfoquelato de cromo/100 kg PV misturado a um sal proteinado para ser consumido na base de 0,1% do PV via creep feeding, no decorrer de 60 dias antes e 60 dias após à desmama forçada. Os animais foram pesados e foram coletadas amostras sanguíneas e urinárias no M0 (60 dias antes da desmama), M1 (desmama), M2 (48 horas após a desmama) e M3 (60 dias após à desmama) para determinação de cromo, cortisol, proteína total e albumina no sangue e da concentração urinária de creatinina e cromo. O ganho acumulado de peso foi superior nos bezerros suplementados com cromo antes da desmama e no decorrer de todo o experimento (P<0,05). A suplementação com cromo reduziu ABSTRACT.-Sousa I.Ortolani E.L. 2020. Influence of organic chromium supplementation on the performance of beef calves undergoing weaning-related stress. Pesquisa Veterinária Brasileira 40(2)97-101. Dietary chromium supplementation before, during, and after weaning was conducted to evaluate the hypothesis that chromium supplementation could reduce weaning-induced cortisol release in beef calves. We examined the effects of chromium supplementation in 150 crossbred calves (male and female) between five and six months of age. The calves were randomly divided by sex and breed into two equal homogeneous groups (n=75). One group was used as the control, and the other experimental group received supplementation with 0.9mg of chromium carbon-amino-phospho-chelate per 100kg BW. The chromium supplement was mixed with mineral salt for the consumption of 0.1% of BW, and the supplement was administered via creep feeding 60 days before and 60 days after forced weaning. Calves were weighed, and their blood and urine samples were obtained at four time-points: T0 (60 days before weaning), T1 (at weaning), T2 (48 hours after weaning), and T3 (60 days after weaning). Blood samples were used to determine chromium, cortisol, total protein, and albumin concentrations, and urine samples were used to determine urinary creatinine and chromium levels. Cumulative weight gain was higher in calves supplemented with chromium before weaning and during the experiment (P<0.05). In addition, weaning-related stress caused an increase in chromium excretion in the urine, and chromium supplementation reduced stress, which resulted in lower cortisol and total protein levels during weaning.

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“…Outras fontes de Cr também não têm sido eficazes em promover efeito no ganho de peso, tais como cloreto de Cr, e complexo de Zanetti et al (2003), suplementando bezerros Holandeses, em condições de conforto, com 0,4 mg/kg/MS de ração basal de Cr orgânico, não encontraram diferenças no ganho em peso, eficiência alimentar e conversão alimentar entre os grupos suplementados e não suplementados e sugeriram que em condições normais o Cr não tem apresentado efeito sobre o desempenho animal, devido provavelmente aos níveis das dietas serem suficientes para o adequado desenvolvimento do animal.…”

Section: Tratamentounclassified

“…Só recentemente os ruminantes passaram a ser suplementados com Cr, mas ainda existem dúvidas quanto aos seus reais efeitos (ZANETTI et al, 2003). Sua suplementação pode ser realizada em animais de alta produção ou em animais sob condição de estresse, como na desmama (MORAES, 2001).…”

Section: Introductionunclassified

Desempenho de bovinos da raça nelore suplementados com cromo orgânico

Montemór

Marçal

2009

Sem. Ci. Agr.

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ResumoO objetivo desse experimento foi avaliar o efeito da suplementação com cromo orgânico sobre o peso corporal e ganho de peso de bovinos da raça Nelore. Utilizaram-se 20 bezerros, inteiros, com peso inicial de 179 kg e 6 meses de idade, distribuídos ao acaso em dois tratamentos com 10 animais, sendo um grupo controle e outro suplementado com cromo orgânico (1mg de cromo na forma de carboaminofosfoquelato de cromo), veiculado em sal mineral com estimativa de consumo em torno de 50g/bezerro/dia. O lote controle recebeu o mesmo sal mineral sem o cromo, com a mesma estimativa de consumo. Ambos foram fornecidos ad libitum e os animais mantidos em piquetes de Brachiaria brizantha e B. decumbens, em forma de rodízio durante 348 dias. Para avaliação do ganho de peso, os animais foram pesados após 14 horas de jejum de alimentos sólidos e líquidos, a cada 10 dias nos primeiros 40 dias de experimento e após, a cada 28 dias. A suplementação com Cr orgânico em bovinos Nelore influenciou (P<0,05) o peso corporal aos 210 dias, sendo 258,2 kg e 252,28 Kg para o grupo suplementado com cromo orgânico e controle, respectivamente. Palavras-chave: Minerais, desempenho produtivo, peso corporal AbstractThe objective of this experiment was to evaluate the effects of organic chromium supplementation on the body weight and weight gain of Nelore steers. Twenty calves were used, with initial weight of 179 kg and 6 months of age. They were distributed in two groups, being 10 animals per group. The experimental group received an organic chromium (1mg of carboaminofosfoquelato of chromium) per day. The mineral salt consumption was estimated for 50g/animal/day. The animals in the control group received the same mineral salt without chromium, in the same consumption. The mineral salt was furnished ad libitum and the animals were maintained in pickets with Brachiaria brizantha and B. decumbens pasture, with rotation during 348 days. For weight gain evaluation, the animals were weighed after 14 hours of solids and liquids fast, every 10 days in the first 40 days of the experiment. After this, steer weights were recorded at 28 days intervals. The organic Cr supplementation in Nelore steers there was influence (P<0.05) in the body weight it was on day 210, 258.2 kg and 252.28 kg for the organic chromium supplemented and for the control group, respectively.

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Desempenho e resposta metabólica de bezerros recebendo dietas suplementadas com cromo

Cited by 12 publications

References 8 publications

Performance and carcass traits of heifers Rubia Gallega x Nellore supplemented with chromium picolinate

Performance and carcass traits of heifers Rubia Gallega x Nellore supplemented with chromium picolinate

Influence of organic chromium supplementation on the performance of beef calves undergoing weaning-related stress

Desempenho de bovinos da raça nelore suplementados com cromo orgânico

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