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Breeding soundness evaluation of extensively managed bulls in Costa Rica
(Elsevier, 1999-02-17)
This paper describes the results of single breeding soundness evaluations (BSE) in 898 Bos indicus, Bos taurus and B. indicus x B. taurus bulls, 1 to 12 yr. old, extensively reared in different climatic regions of Costa ...
Deferred bulls: are cycles per conception and pregnancy rate determined by the type of spermiogramme deviation under natural mating?
(Elsevier, 2016)
Deferred bulls undergo clinical deviations that could
be transitory or have an uncertain potential fertility output. Data in Costa Rica showed no significant differences
in conception rate (CR) between sound vs. deferred ...
Morphological features of the seminiferous and cauda Epididymides epithelia of breeding zebu bulls with normal and decreased testicular consistency
(The Society for Reproduction and Development, 1999)
The fine morphology of the testes and epididymes collected from breeding Zebu (Bos indicus) bulls with normal or decreased testicular consistency (TC) at clinical palpation was studied. The ultrastructure of testicles with ...
Tricomoniasis y campilobacteriosis genital bovina: diagnóstico e importancia en explotaciones ganaderas en el trópico costarricense.
(Universidad Nacional, Costa Rica, 2022)
El presente video ha sido elaborado por el Programa de Investigación en Andrología Animal Aplicada de la Escuela de Medicina Veterinaria, Universidad Nacional (UNA), Heredia-Costa Rica, a partir de recursos digitales ...
Factores ambientales, genéticos y de manejo que afectan la circunferencia escrotal y el peso corporal de toretes cebú en Costa Rica
(Universidad Nacional, Costa Rica, 2018-03)
En la presente tesis, se analizó el efecto de factores ambientales y genéticos sobre la
circunferencia escrotal (CE) y el peso corporal (PC) en toretes cebú. En un primer estudio se
determinó el efecto de los factores ...