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Hedonic pricing analysis for semen of dairy bulls in Brazil. Author(s): CARVALHO, G. R.; FARIA, W. R.; NARDY, V. P. D. R.; BETARELLI JUNIOR, A. A. Dairy farming is an important aspect of the Brazilian agricultural sector. The presence of numerous producers has created a large number of jobs in this field, contributing significantly to the rural... ... Repository: BDPA Publication year: 2022
Use of fuzzy systems to support decision making in the choice of reproductive bulls. Author(s): LIMA, H. P. de; SILVA, J. C. B. da; NOGUEIRA, É.; ABREU, U. G. P. de; CAMARGO, H. DE A. This work presents a case study where a fuzzy rule-based system was constructed in order to offer support to the evaluation of reproductive bulls. Repository: BDPA Publication year: 2016
Feedlot pen surface greenhouse gases emissions from Nellore or Brangus bulls finished on diets with contrasting fat levels. Author(s): MEDEIROS, S. R. de; COSTA JÚNIOR, C.; GOMES, R. da C.; MARINO, C. T.; BARROS, P. E. P. The objective of this study was to evaluate greenhouse gases (GHG) emissions from a feedlot pen surface where Nellore and Brangus bulls were fed diets with low or high fat. Repository: BDPA Publication year: 2016
Identification of seminal parameters predictive of conception rates in Angus and Nelore bulls used in TAI. Author(s): NOGUEIRA, E.; RODRIGUES, W. B.; SANCHES SILVA, C.; COSTA E SILVA, E. V.; POTIENS, J. R.; SILVA, J. C. B.; SUTOVSKY, P. The ability to predict male fertility is highly desirable for bulls used in AI. Timed artificial insemination (TAI) represents a breakthrough in the use of AI in Brazil and other countries. Numerous c... ... Repository: BDPA Publication year: 2018
Andrological classification of bulls evaluated by machine learning. Author(s): ISLER, S. A.; ABREU, U. G. P. de; NOGUEIRA, E.; WEBER, V. A. de M.; PEDRO, F. de O.; ROSCHEL, M. S.; STERZA, F. de A. M; CORDEIRO, D. A. G.; WEBER, F. de L. Repository: BDPA Publication year: 2024
Differences in testicular biometrics of prepubertal Nelore and Canchim bulls. Author(s): RAMOS, G. G.; ARRUDA, R. P. DE; GONÇALVES, J. D.; SOUSA, A. J. C. DE; AZEVEDO, G. N.; PILOTO, V. R.; CARRER, A. R.; VERGANI, G. B.; GARCIA, A. R. Measuring testicular biometrics at weaning can be a valuable tool for pre-selecting bulls, as larger scrotal circumference measurements are associated with early puberty. Repository: BDPA Publication year: 2024
Evaluation of boar and bull sperm capacitation and the acrosome reaction using flow cytometry. Author(s): PURDY, P. H.; GRAHAM, J. K.; AZEVEDO, H. C. Repository: BDPA Publication year: 2021
Corn grain processing methods and forage levels in finishing diets for Nellore bulls. Author(s): CARARETO, R.; SANTOS, F. A. P.; MOURÃO, G.; PEDROSO, A. M.; PEDROSO, A. M.; SITTA, C.; SOARES, M. P.; PAULA, M. R.; MARQUES, R. S.; SOARES, M. C. Repository: BDPA Publication year: 2011
Nutritional requirements of energy, protein and macrominerals for maintenance and weight gain of young crossbred Nellore × Holstein bulls on pasture. Author(s): PORTO, M. O.; PAULINO, M. F.; VALADARES FILHO, S. de C.; DETMANN, E.; CAVALI, J.; SALES, M. F. L.; VALENTE, E. E. L.; COUTO, V. R. M. The objective of this study was to estimate requirements of energy, protein and macrominerals of young Nellore/Holstein crossbreds bulls supplemented on pastures of Brachiaria decumbens Stapf. Thirty-... ... Repository: BDPA Publication year: 2012
Feed efficiency of Nellore young bull in the feedlot. Author(s): FERNANDES, L. O.; PASCHOAL, J. J.; MACIEL, G. A.; BRAGA, G. J.; REIS, N. J. C.; PAIVA, M. I. de The objective of the study was to evaluate feed efficiency of Nellore young bull in the feedlot using the evaluation of the residual feed intake (RFI). The experiment was carried out at the experiment... ... Repository: BDPA Publication year: 2022

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