Abstract
The flaxseed is a nutraceutical food used as a source of α-linolenic acid, which can bring benefits to the health of mammals. This study was carried out to examine the effect of flaxseed inclusion in the diets on the intake of nutrients, body weight, and blood parameters of Alpine goats. Twenty-one adult females with an initial average weight of 41.06 ± 1.84 kg were used in a completely randomized design, with four experimental treatments (0, 5, 10, and 15% of flaxseed in the total diet) and five replications per treatment. The intake of the dry matter presented a decreasing linear effect (P < 0.001), with a reduction of 53.5% between the control diet (0% of flaxseed) and 15% of flaxseed, but no effect was observed on weight gain (P > 0.05). Inclusion of flaxseed from 0 to 15% linearly decreased the intakes of organic matter, crude protein, non-fibrous carbohydrates, and neutral detergent fiber, but increased the ether extract intake (P < 0.001). Regarding plasma concentration traits, increasing the flaxseed levels from 0 to 15% had linear positive effect on LDL, VLDL, and triglycerides (P < 0.05), but no effect on cholesterol, HDL, glucose, creatinine, and urea (P > 0.05). The inclusion of flaxseed in the diet for 80 days changes the nutrients intake and blood parameters but shows no impact on body weight. However, further studies are required to determine the impact of flaxseed on the goat’s health in the long term since there has been an increase in the concentration of triglycerides, LDL, and VLDL.
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Funding
This research received financial from the Foundation for Research Support of the State of Bahia (FAPESB) and for the scholarship to Patrícia Alves Dutra. Gleidson Giordano Pinto de Carvalho and Luis Fernando Batista Pinto are recipients of a CNPq Productivity Scholarship. This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior-Brasil (CAPES-BRAZIL)-Finance Code 001.
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Conceptualization: Luís Fernando Batista Pinto, Gleidson Giordano Pinto de Carvalho; Methodology: Patrícia Alves Dutra, Bianor Matias Cardoso-Neto, Claudineia Silva Mendes, Alexandre Moraes Pinheiro; Validation: Patrícia Alves Dutra, Luís Fernando Batista Pinto; Formal analysis and investigation: Patrícia Alves Dutra, Claudineia Silva Mendes, Alexandre Moraes Pinheiro, Larissa Pires Barbosa; Investigation: Patrícia Alves Dutra, Bianor Matias Cardoso-Neto, Claudineia Silva Mendes; Resources: Luís Fernando Batista Pinto, Gleidson Giordano Pinto de Carvalho; Data curation: Gleidson Giordano Pinto de Carvalho, Luís Fernando Batista Pinto, Taiala Cristina de Jesus Pereira; Writing—original draft preparation: Patrícia Alves Dutra; Writing—review and editing: Taiala Cristina de Jesus Pereira, Gleidson Giordano Pinto de Carvalho, Luís Fernando Batista Pinto; Visualization: Luís Fernando Batista Pinto, Gleidson Giordano Pinto de Carvalho, Taiala Cristina de Jesus Pereira; Supervision: Luís Fernando Batista Pinto, Gleidson Giordano Pinto de Carvalho; Project administration: Luís Fernando Batista Pinto; Funding acquisition: Luís Fernando Batista Pinto, Gleidson Giordano Pinto de Carvalho. All authors have read and agreed to the published version of the manuscript.
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All the procedures and protocols used in this experiment were approved by the Animal Use Ethics Committee of the Federal University of Bahia (Permit Number: 001–2018).
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Dutra, P.A., Pinto, L.F.B., Cardoso-Neto, B.M. et al. Flaxseed added to the diet of Alpine goats affects the nutrients intake and blood parameters. Trop Anim Health Prod 54, 104 (2022). https://doi.org/10.1007/s11250-022-03100-2
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DOI: https://doi.org/10.1007/s11250-022-03100-2