Uso da somatotropina recombinante bovina em búfalas leiteiras II: metabolismos energético e mineral

Melo, W. O.; Júnior, Antônio Sousa; Monteiro, Bruno Moura; Filho, José Dantas Ribeiro; Faturi, Cristian; Daher, Luciara Celi Chaves; Souza, Damázio Campos de; Sousa, Edcarlos; Júnior, S.P. Faria; Viana, Rinaldo Batista

doi:10.1590/1678-4162-10558

Cited by 4 publications

(4 citation statements)

References 12 publications

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“…rbST acts directly on fat metabolism of the adipose tissue by altering rates of lipolysis and lipogenesis [21,31,32]. The use of 500 mg of rbST on the metabolism of pasture-raised Murrah buffaloes between 63 and 154 days of milking did not change the levels of other energy metabolites (cholesterol and triglycerides) and prosthetics (total protein, urea albumin, and creatinine) [33].…”

Section: Discussionmentioning

confidence: 94%

The Influence of Recombinant Bovine Somatotropin (rbST) on the Metabolic Profile and Milk Composition of Lactating Murrah Buffalo

Feckinghaus,

Diogo,

Storillo

et al. 2024

Animals

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The use of recombinant bovine somatotropin (rbST) leads to an increase in variable amounts of milk production in buffalo, but there is a lack of information on the influence of rbST on their metabolism. This study looked at the effects of a single 500 mg dose of rbST on the lipid profile, liver and kidney function, and physical, chemical, and cellular constitution of milk in 14 buffalo over 14 days, from the 100th day of lactation, compared with 14 animals in a control group. From the first day after rbST, there was a rise in beta-hydroxybutyrate (β-HBO), possibly due to higher dry matter intake or the biotransformation of NEFA into β-HBO. The treatment did not influence blood glucose, non-esterified fatty acids (NEFAs), triglycerides, cholesterol, total protein, albumin, AST, GGT, bilirubin, urea, or creatinine levels. In 71.3% of the buffalo, there was a gradual increase in milk production, with the maximal response occurring in the first week followed by a gradual decrease, whilst in 21.4%, the increase in production occurred between 7 and 10 days. Only 7.1% of the animals did not respond. On the 3rd, 5th, 7th, and 10th days after treatment, an increase was found in daily milk production between the two groups equal to 1.04, 1.52, 1.42, and 1.06 L, respectively. In relative terms, this means an increase in milk production, respectively, of 15.1%, 21.0%, 19.8%, and 15.1%. The constitution of the milk showed no difference in the amounts of fat, lactose, total solids, or somatic cell count; however, on the third day after rbST administration, there was a decrease in protein. Notably, from the fifth day, the protein values showed no statistical difference. It can be concluded that the use of rbST in buffalo from the 100th day of lactation is metabolically safe since the treatment neither caused imbalances in fat metabolism nor overloaded the liver or renal function, and the changes in milk composition were transient and limited to a decrease in milk protein.

show abstract

Section: Discussionmentioning

confidence: 94%

The Influence of Recombinant Bovine Somatotropin (rbST) on the Metabolic Profile and Milk Composition of Lactating Murrah Buffalo

Feckinghaus,

Diogo,

Storillo

et al. 2024

Animals

Self Cite

View full text Add to dashboard Cite

show abstract

“…The rbST acts directly on fat metabolism of the adipose tissue by altering rates of lipolysis and lipogenesis [21,31,32]. The use of 500 mg of rbST on the metabolism of pasture-raised Murrah buffaloes, between 63 and 154 days of milking, did not change the levels of other energy metabolites (cholesterol and triglycerides) and prosthetics (total protein, urea albumin and creatinine) in dairy buffaloes [33].…”

Section: Discussionmentioning

confidence: 95%

Influence of Recombinant Bovine Somatotropin (rbST) on the Metabolic Profile and Milk Composition of Lactating Murrah Buffalo

Feckinghaus,

Diogo,

Storillo

et al. 2023

Preprint

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The use of recombinant bovine somatotropin (rbST) leads to an increase, in variable amounts, of milk production in buffalo, but there is a lack of information on the influence of rbST on their metabolism. This study looked at the effects of a single 500 mg dose of rbST on lipid profile, liver and kidney function and physical, chemical and cellular constitution of milk in 14 buffalo over 14 days, from the 100th day of lactation, and compared them with 14 animals in a control group. From the 1st day after rbST, there was a rise in beta hydroxybutyrate (β-HBO), possibly due to the higher dry matter intake or by biotransformation of NEFA into β-HBO. Treatment did not influence blood glucose, non-esterified fatty acids (NEFA), triglycerides, cholesterol, total protein, albumin, AST, GGT, bilirubin, urea or creatinine. In 71.3% of the buffalo there was a gradual increase in milk production with maximal response in the first week that was then followed by a gradual decrease, whilst in 21.4%, the increase in production occurred between 7 and 10 days, and only 7.1% of animals did not respond. On the 3rd, 5th, 7th and 10th days after treatment, an increase was found in milk production between the two groups equal to 1.04, 1.52, 1.42 and 1.06 liters, respectively. In relative terms this means an increase in milk production, respectively, of 15.1%; 21.0%; 19.8 % and 15.1 %. The constitution of the milk showed no difference in the amounts of fat, lactose, total solids or somatic cell count; however, on the 3rd day after rbST, there was a decrease in protein; notably, from the 5th day, protein values show no statistical difference. It can be concluded that the application of rbST in buffalo from the 100th day of lactation is metabolically safe, since the treatment neither caused imbalances in fat metabolism nor overloaded the liver or renal function, and the changes in milk composition were transient and limited to a decrease in milk protein.

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“…Um peso de entoure menor que de desaleitamento, está relacionado ao fato da matriz estar produzindo leite para a cria que se encontra ao pé no momento do entoure, aumentando as exigências nutricionais para produção de leite e ocasionando menor disponibilidade de nutrientes para ganho de estado corporal (MELO et al, 2019). A antecipação do desaleitamento, poderia melhorar o estado corporal das matrizes, uma vez que a dependência do leite diminui consideravelmente após os 90 dias de idade, tendo pouca infl uência no desempenho do bezerro após os sete meses de idade (ÍTAVO et al, 2007).…”

Section: Resultsunclassified

“…último diagnóstico de gestação foi negativo, o que lhe confere melhor condição corporal. Ao amamentar, as reservas corporais são mobilizadas para fornecer nutrientes para a síntese do leite, resultando em perda de condição corporal(MELO et al 2019), enquanto que animais não lactantes transferem os nutrientes para as reservas corporais, mesmo sob igualdade de manejo.Na média, as matrizes apresentaram índice de prenhez de 74,08% para as fêmeas Mediterrâneo e 79,01% para as Murrah. Desconsiderando o grupo racial, nos anosde 2009, 2010, 2011, 2014, 2018 e 2019, a taxa de prenhez foi superior a 80%, aspecto importante na produção de bezerros, porém este índice sofreu oscilações negativas nos anos de 2016 (40,25%) e 2017 (54,45%) com índices inferiores a 60%, consequência de períodos de forte déficit pluviométrico.…”

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Qualidade Do Leite: Um Estudo De Caso Sobre Um Laticínio E Seus Produtores

Anésio¹,

Dornelas²

2021

Docência, Pesquisa E Liderança Em Zootecnia 2

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Uso da somatotropina recombinante bovina em búfalas leiteiras II: metabolismos energético e mineral

Cited by 4 publications

References 12 publications

The Influence of Recombinant Bovine Somatotropin (rbST) on the Metabolic Profile and Milk Composition of Lactating Murrah Buffalo

The Influence of Recombinant Bovine Somatotropin (rbST) on the Metabolic Profile and Milk Composition of Lactating Murrah Buffalo

Influence of Recombinant Bovine Somatotropin (rbST) on the Metabolic Profile and Milk Composition of Lactating Murrah Buffalo

Qualidade Do Leite: Um Estudo De Caso Sobre Um Laticínio E Seus Produtores

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