Frequency of Occurrence of Pregnancy in Relation to Uterine Horn in Cattle in the Colombian Tropics

Revista de Medicina Veterinaria

Melba Vertel Morrison¹  Norys Pastrana Puche²  Fabián Barón Pinedo³  Marco González Tous⁴ 

[1] Licenciada, MSc. Profesora titular,Universidad de Sucre, Facultad deEducación y Ciencias, Departamentode Matemáticas, Sincelejo,Colombia.;Médica veterinaria zootecnista, Esp.Profesora asistente, Clínica VeterinariaJulio Cuervo, Departamentode Ciencias Pecuarias, Universidadde Córdoba, Montería, Colombia.;Médico veterinario zootecnista,Esp. Práctica privada, Cartagena,Colombia.;Médico veterinario zootecnista,MSc. Profesor titular, Universidadde Córdoba, Facultad de MedicinaVeterinaria y Zootecnia, Departamentode Ciencias Pecuarias, Institutode Investigaciones Biológicasdel Trópico, Montería, Colombia.;

关键词: actividad ovárica;    bovinos;    cuerno gestante;    cuerpo lúteo;    reproducción.;   

DOI  :  10.19052/mv.3174

来源: DOAJ

【 摘 要 】

This paper aims to determine the frequency of occurrence of pregnancy in the right and left uterine horns of cattle in the Colombian tropics. Rectal palpation was performed in 1,534 cows to diagnose pregnancy and to indicate the pregnant horn (left or right). Additionally, 618 non-pregnant cows were examined to determine the presence of corpora lutea (CL) or follicle (F), and to identify the ovary (right or left) containing them. In pregnant cows, the percentages of right and left gestation were 63.1% (968/1534) and 36.9% (566/1534) (p ≤ 0.01), respectively, and in non-pregnant cows, 69 % of CL and 68% of F were found in the right ovary (p ≤ 0.01). Similarly, reproductive tracts of 300 pregnant cows were inspected, as well as those of 300 non-pregnant cows but with CL and F present. In pregnant tracts, the percentages of right and left gestation were 67.3% and 32.7% (p ≤ 0.01), respectively, and in non-pregnant cattle, 68% of CL and 65% of F were found in the right ovary (p ≤ 0.01). In conclusion, the highest percentage of pregnancies in cattle in the Colombian tropics is presented in the right horn; an increased presence of CL and F was also found in the right ovary.

【 授权许可】

Unknown