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Effect of Feeding Frequency on Intake, Digestibility, Ingestive Behavior, Performance, Carcass Characteristics, and Meat Quality of Male Feedlot Lambs

Author

Listed:
  • Rodrigo B. Saldanha

    (Federal Institute of Education, Science and Technology Baiano, Valença 45400000, Bahia, Brazil)

  • Ana C. P. dos Santos

    (Department of Animal Science, Universidade Federal da Bahia, Salvador 40170110, Bahia, Brazil)

  • Henry D. R. Alba

    (Department of Animal Science, Universidade Federal da Bahia, Salvador 40170110, Bahia, Brazil)

  • Carlindo S. Rodrigues

    (Department of Animal Science, Universidade Federal da Bahia, Salvador 40170110, Bahia, Brazil)

  • Douglas dos S. Pina

    (Department of Animal Science, Universidade Federal da Bahia, Salvador 40170110, Bahia, Brazil)

  • Luis G. A. Cirne

    (Institute of Biodiversity and Forestry, Universidade Federal do Oeste do Pará, Santarém 68035110, Pará, Brazil)

  • Stefanie A. Santos

    (Department of Animal Science, Universidade Federal da Bahia, Salvador 40170110, Bahia, Brazil)

  • Aureliano J. V. Pires

    (Department of Animal Science, Universidade Estadual do Sudoeste da Bahia, Itapetinga 45700000, Bahia, Brazil)

  • Robério R. Silva

    (Department of Animal Science, Universidade Estadual do Sudoeste da Bahia, Itapetinga 45700000, Bahia, Brazil)

  • Manuela S. L. Tosto

    (Department of Animal Science, Universidade Federal da Bahia, Salvador 40170110, Bahia, Brazil)

  • Silvia C. Bento

    (Department of Animal Science, Universidade Federal da Bahia, Salvador 40170110, Bahia, Brazil)

  • Amanda B. Grimaldi

    (Department of Animal Science, Universidade Federal da Bahia, Salvador 40170110, Bahia, Brazil)

  • Carly A. Becker

    (Penn State Extension, College of Agricultural Sciences, Penn State University, State College, PA 16802, USA)

  • Gleidson G. P. de Carvalho

    (Department of Animal Science, Universidade Federal da Bahia, Salvador 40170110, Bahia, Brazil)

Abstract

The study was conducted to evaluate the effects of feeding frequencies (one, two, three, and four times per day) on the performance of male feedlot lambs. Forty Santa Inês male lambs were used with an average age of 120 days approximately and initial body weight of 24.90 ± 1.8 kg (mean ± S.D.). The lambs were distributed to treatment groups in a completely randomized experimental design, with 10 animals per treatment, placed in individual pens. A standard diet consisted of Tifton-85 hay and concentrate with a ratio of 60:40, respectively. The different feeding frequencies did not influence ( p > 0.05) the intake of nutritional components, blood parameters, weight gain, ingestive behavior, carcass characteristics, or meat quality of male feedlot lambs. The feeding frequency of 3 and 4 times per day promoted the highest digestibility of neutral detergent fiber (NDF; p = 0.008) and total digestible nutrients (TDN; p = 0.002). The feeding frequency of 3 times per day promoted the highest digestibility of crude protein (CP; p = 0.005). The time devoted to rumination (min/kg DM) was increased ( p = 0.029) when the diet was supplied once a day compared to the other feeding frequencies. Based on these results, the recommended feeding frequency for male feedlot lambs is once a day. When feeding at this frequency, the ingestive behavior, productivity, carcass characteristics, and meat quality of male feedlot lambs will not be compromised.

Suggested Citation

  • Rodrigo B. Saldanha & Ana C. P. dos Santos & Henry D. R. Alba & Carlindo S. Rodrigues & Douglas dos S. Pina & Luis G. A. Cirne & Stefanie A. Santos & Aureliano J. V. Pires & Robério R. Silva & Manuela, 2021. "Effect of Feeding Frequency on Intake, Digestibility, Ingestive Behavior, Performance, Carcass Characteristics, and Meat Quality of Male Feedlot Lambs," Agriculture, MDPI, vol. 11(8), pages 1-12, August.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:8:p:776-:d:614663
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    References listed on IDEAS

    as
    1. Italo Albuquerque & Gherman Araújo & Fernanda Santos & Gleidson Carvalho & Edson Santos & Ismael Nobre & Leilson Bezerra & Jarbas Silva-Júnior & Edson Silva-Filho & Ronaldo Oliveira, 2020. "Performance, Body Water Balance, Ingestive Behavior and Blood Metabolites in Goats Fed with Cactus Pear ( Opuntia ficus-indica L . Miller) Silage Subjected to An Intermittent Water Supply," Sustainability, MDPI, vol. 12(7), pages 1-15, April.
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