Performance and maternal-offspring behavior of ewes fed protected fat from palm oil
DOI:
https://doi.org/10.5433/1679-0359.2020v41n3p1027Keywords:
Average daily gain, Gestation, Lactation, Post-weaning anestrus, Saponified fatty acids.Abstract
This study aimed to evaluate the performance and maternal-offspring behavior of ewes fed protected fat from palm oil. Forty multiparous ewes with an average age of three years were divided into two treatments, with or without protected fat supplementation (in concentrate). Every 15 days and at the time of lambing, weighing and body condition evaluation of sheep were performed, while lambs were evaluated at birth until weaning. Duration of post-weaning anestrus was obtained through the manifestation of estrus, detected by a vasectomized male. Data were submitted to analysis of variance. No difference was observed between supplementations for body weight, body condition score, and average daily gain during the gestation phase. Ewes fed protected fat had a superiority regarding the body score during the lactation phase. Lambs from ewes supplemented with protected fat were weaned faster, and ewes presented an early estrus. No difference was observed between treatments for maternal-offspring behavior. The use of fat during lactation showed improvement in productive (body condition score) and reproductive (shorter anestrus period) parameters. It also reduces the weaning age of lambs and does not alter maternal-offspring behavior.Downloads
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References
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Araújo, J. A. S., Riet-Correa, F., Medeiros, R. M. T., Soares, M. P., Oliveira, O. M., & Carvalho, F. K. L. (2008). Intoxicação experimental por Ipomoea asarifolia (Convolvulaceae) em caprinos e ovinos. Pesquisa Veterinária Brasileira, 28(1), 488-494. doi: 10.1590/S0100-736X2008001000008
Association of Official Analytical Chemists International. (1995). Official Methods of Analysis (2nd ed. rev.). Arlington: Author.
Bona, A., Fº., Otto, C., Brondani, L. F., Sá, J. L., Yada, R. S., & Sotomaior, C. S. (1994). Efeito da utilização de diferentes níveis de sais cálcicos de ácidos graxos no desempenho de ovelhas no pós-parto. Ciências Agrárias, 13(1), 111-117. doi: 10.1590/s0100-204x2017000700009
Church & Dwight Co. (2002). Megalac-r, rumen bypass fat. Ewing, NJ: Ohio.
Costa, R. L. D. da, Fontes, R. da S., Cunha, E. A. da, Bueno, M. S., Quirino, C. R., Afonso, V. A. C.,... Dias, Â. J. B. (2011). Reproductive performance of Santa Inês ewes fed protected fat diet. Pesquisa Agropecuária Brasileira, 46(6), 663-668. doi: 10.1590/S0100-204X2011000600013
Dwyer, C. M. (2003). Behavioural development in the neonatal lamb: effect in the neonatal and birth-related factors. Theriogenology, 59(3), 1027-1050. doi: 10.1016/S0093-691X(02)01137-8
Dwyer, C. M., & Lawrence, A. B. (1998). Variability in the expression of maternal behavior in primiparous sheep: effects of genotype and litter size. Applied Animal Behavior Science, 58(3), 311-330. doi: 10.1016/S0168-1591(97)00148-2
Dwyer, C. M., Lawrence, A. B., & Bishop, S. C. (2001). The effects of selection for lean tissue content on maternal and neonatal lamb behaviours in Scottish Blackface Sheep. Journal of Animal Science, 72(3), 555-571. doi: 10.1017/S1357729800052097
Espinosa, J. L., López-Molina, O., Ramírez-Godínez, J. A., Jiménez, J., & Flores, A. (1998). Milk composition, postpartum reproductive activity and growth of lambs in Pelibuey ewes fed calcium soaps of long chain fatty acids. Small Ruminant Research, 27(1), 119-124. doi: 10.1016/S0921-4488(97)00040-0
Grandinson, K. (2005). Genetic background of maternal behaviour and its relation to offspring survival. Livestock Production Science, 93(1), 43-50. doi: 10.1016/j.livprodsci.2004.11.005
Instituto Adolfo Lutz. (2008). Métodos físico-químicos para análises de alimentos. São Paulo: Instituto Adolfo Lutz.
Instituto Nacional de Meteorologia. (2015). Consulta de dados da estação automática. Dois Vizinhos: [s.n.]. Recuperado de http://www.inmet.gov.br/sonabra/pg_dspDadosCodigo.php?QTg0Mw
Komarek, A. R. (1993). A fiber bag procedure for improved efficiency of fiber analyses. Journal of Dairy Science, 76(1), 250-259.
Martin, P., & Bateson, P. (1986). Measuring behaviour: an introductory guide. Cambridge: Cambridge University Press.
Moraes, A. B., Poli, C. H. E. C., Fisher, V., Fajardo, N. M., Aita, M. F., & Porciuncula, G. C. (2016). Ewe maternal behavior score to estimate lamb survival and performance during lactation. Acta Scientiarum Animal Science, 38(3), 327-332. doi: 10.4025/actascianimsci.v38i3.29923
National Research Council. (2001). Nutrient Requirements of Small Ruminants: Sheep, Goats, Cervids, and New World Camelids. Washington, DC.: The National Academy Press.
Petit, H. V. (2003). Effects of dietary fat on reproduction. Proceeding of Tri-State Dairy Nutrition Conference, Madison, WI, USA.
Queiroz, E. O. (2018). Bem-estar e comportamento materno de ovinos. In F. A. F. Macedo, & N. H. A. P. Mora (Eds.), Produção programada carne de cordeiros (pp. 87-101). Curitiba: CRV.
R Development Core Team. (2013). R: A language and environment for statistical computing. Vienna: R Foundation for Statistical Computing.
Ribeiro, L. A. O., Fontana, C. S., Wald, V. B., Gregory, R. M., & Mattos, R. C. (2003). Relação entre a condição corporal e a idade das ovelhas no encarneiramento com a prenhez. Ciência Rural, 33(2), 357-361. doi: 10.1590/S0103-84782003000200027
Robertson, J. B., & Van Soest, P. J. (1981). The Detergent system of analysis. In W. P. T. James, & O. Theander (Eds.), The analysis of dietary fiber in food (pp. 123-158). New York: Marcel Dekker.
Russel, A. J. F., Doney, J. M., & Gunn, R. G. (1969). Subjctive assessment of body fat in live sheep. Journal of Agricultural Science, 72(3), 451-454. doi: 10.1017/S0021859600024874
Santos, M. P., Godoy, M. M., Sousa, C. L., Assis, R. M., & Sena, C. V. B. (2017). Desempenhos produtivo e reprodutivo de ovelhas Santa Inês alimentadas com dietas suplementadas com gordura protegida no pós-parto. Pesquisa Agropecuária Brasileira, 52(7), 548-556. doi: 10.1590/S0100-204X2017000700009
Silva, A. G., Sobrinho. (2008). Produção de carne ovina. Jaboticabal: FUNEP.
Wilm, H. G., Costello, D. F., & Klipple, G. E. (1944). Estimating forage yield by the 11 double- sampling methods. Journal of American Society of Agronomy, 36(12), 194-203.
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Published
2020-04-07
How to Cite
Santos, G. B. dos, Negri, R., Maeda, E. M., Vilela, V. O., Hill, J. A. G., & Macedo, V. de P. (2020). Performance and maternal-offspring behavior of ewes fed protected fat from palm oil. Semina: Ciências Agrárias, 41(3), 1027–1036. https://doi.org/10.5433/1679-0359.2020v41n3p1027
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