Simulation of feed costs in weaned piglet production units with different sow replacement rates
DOI:
https://doi.org/10.17765/2176-9168.2025v18e12818Keywords:
Diet cost, Female pig, Replacement rateAbstract
The aim with this study was to model the influence of different sow replacement rates on intake and feed costs in weaning production units. A mathematical model was used to evaluate productivity in weaning production unit’s animals with different rates of replacement of sows. A 3 × 3 factorial analysis was performed (replacement rates x feed cost) to estimate feed costs, with the means compared with each other using the Tukey's test (p< 0.05). The average daily cost of feed during gestation showed a statistical difference between the economic scenarios within the replacement rates and the replacement rates within each economic scenario. During lactation, the average cost of feed within the replacement rate showed a statistical difference between the optimistic and pessimistic economic scenarios. In the economic scenario, there was a statistical difference between the 35 and 55% replacement rates. It is concluded that the replacement rate directly influences the structure of the herd and therefore the cost of feed within the weaning production units. As a result, the lowest feed cost obtained in the average scenario was with a replacement rate of 35% of the breeding stock of a weanling production unit made up of 250 females.
References
AGROLINK. Agrolink: O portal do conteúdo agropecuário. Disponível em: < https://www.agrolink.com.br/cotacoes/historico/pr>. Acesso em: 05 de ago. 2024.
ALVES, L. K. S.; GAMEIRO, A. H.; SCHINCKEL, A. P.; GARBOSSA, C. A. P. Development of a swine production cost calculation model. Animals, v. 12, 2022. DOI: https://doi.org/10.3390/ani12172229
BARRALES, H. S.; CAPPUCCIO, J. A.; MACHUCA, M. A.; WILLIAMS, S. I. Evaluación del descarte en cerdas: causas, registros reproductivos e inspección en planta de faena. Analecta Veterinaria, v. 37, p. 33-44, 2017. DOI: http://dx.doi.org/10.24215/15142590e006
BONETT, L. P.; MONTICELLI, C. J. Suínos: o produtor pergunta, a Embrapa responde. Brasília, DF: Embrapa-SPI; Concórdia: Embrapa-CNPSA, 243p, 1998.
DOURMAD, J. Y; ÉTIENNE, M.; VALANCOGNE, A. DUBOIS, S.; MILGEN, J. V.; NOBLET, J. InraPorc: a model and decision support tool for the nutrition of sows. Animal Feed Science and Technology, v.143, p.372-386, 2008. DOI: https://doi.org/10.1016/j.anifeedsci.2007.05.019
HOUŠKA, L. The relationship between culling rate, herd structure and production efciency in a pig nucleus herd. Czech Journal of Animal Science. v.54, p. 365-375, 2009. DOI: http://dx.doi.org/10.17221/1660-CJAS
MUNIZ, H. C. M.; CERON, M. S.; FRAGA, B. N.; PACHECO, P. S.; GASA-GASÓ, J.; OLIVEIRA, V. Modelling the impact of the sow replacement rate on farm performance. Brazilian Journal of Animal Science. In press. 2024. DOI: https://doi.org/10.37496/rbz5320230037
NOBLET, J.; DOURMAD, J. Y.; ETIENNE, M. Energy utilization in pregnant and lactating sows: modelling of energy requirements. Journal of Animal Science, v.68, p.562-572, 1990. DOI: https://doi.org/10.2527/1990.682562x
NRC (National Research Council). Water. In: Nutrient requirements of swine: Eleventh Revised Edition. The National Academy Press. Washington, DC, USA, p. 66-73, 2012.
OVIEDO-RONDÓN, E. O. et al. Modelagem na nutrição de monogástricos. In: SAKOMURA, N. K. et al. (Eds.) Nutrição de não ruminantes. 1a edição ed. Jaboticabal: Funep, 2014. p. 594–620.
PIEWTHONGNGAM, K.; VIJITNOPPARAT, P.; PATHUMNAKUL, S.; CHUMPATONG, S.; DUANGJINDA, M. System dynamics modelling of an integrated pig production supply chain. Biosystems e Engineering, v.127, p. 24-40, 2014. DOI: https://doi.org/10.1016/j.biosystemseng.2014.08.007
ROSTAGNO, H. S; ALBINO, L. F. T. Tabelas brasileiras para aves e suínos – Composição de alimentos e exigências nutricionais. Viçosa: UFV, 2017.
SILVA, B.A.N.; TOLENTINO, R. L. S.; ESKINAZI, S.; JACOB, D. V.; RAIDAN, F. S. S.; ALBUQUERQUE, T. V,; OLIVEIRA, N. C.; ARAUJO, G. G. A.; SILVA, K. F.; ALCICI, P. F. Evaluation of feed flavor supplementation on the performance of lactating high-prolific sows in a tropical humid climate. Animal Feed Science and Technology, v.236, p.141-148, 2018. DOI: https://doi.org/10.1016/j.anifeedsci.2017.12.005
THOMAS, L. L. GOODBAND, R. D.; TOKACH, M. D.; DRITZ, S. S.; WOODWORTH, J. C.; DEROUCHEY, J. M. Partitioning components of maternal growth to determine efficiency of feed use in gestating sows. Journal of Animal Science. v.96, p.4313-4326, 2018. DOI: https://doi.org/10.1093/jas/sky219
VELDKAMP, T.; BOSCH, G. Insects: a protein-rich feed ingredient in pig and poultry diets. Animal Frontiers, v. 5(2), p. 45-50, 2015. DOI: https://doi.org/10.2527/af.2015-0019
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