Incidence of ovarian follicular cysts and their effect on reproductive performance in dairy cows: A case study in Mexico

Abstract

Incidence of ovarian follicular cysts and their effect on reproductive performance in dairy cows: A case study in MexicoIncidencia de quistes foliculares ováricos y su efecto en la eficiencia reproductiva en vacas lecheras: un estudio de caso en México JL Pesántez a , O Ortiz a , J Hernández-Cerón a* ABSTRACT. The incidence of ovarian follicular cysts (OFC) in relation to reproductive performance in a dairy herd was determined. A total of 1,249 reproductive records of cows during their previous lactation cycle were reviewed. Of all cows submitted to reproductive evaluation due to anestrus or to diagnose pregnancy, 23% (290/1249) had OFC; 44% (128/290) developed OFC after first service; and 30% of those with OFC (86/290) were found to be open upon diagnosis of pregnancy (40 to 45 days). Cows with pathological puerperium had a higher (Odds ratio 1.5) incidence of OFC than those with normal puerperium (pathological = 26% vs. normal = 20%). Multiparous cows had a higher (Odds ratio 2.2) incidence of OFC (27.5%) than primiparous cows (15.5%). The percentage of non-pregnant cows 150 days postpartum was higher (P < 0.05) in cows with OFC (76%) than in those without OFC (24%); furthermore, the percentage of non-pregnant cows 300 days postpartum was higher (P < 0.05) in cows with OFC (24%) than in those without OFC (3%). It is concluded that 23% of cows developed OFC, and the only sign was anestrus. The cows that developed OFC had a greater probability of remaining open 300 days postpartum, which demonstrates the negative impact of this ovarian condition on modern milk herds.Key words: ovarian follicular cysts, dairy cattle, fertility. RESUMEN.Se determinó la incidencia de quistes foliculares ováricos (QFO) y su relación con la eficiencia reproductiva en un hato lechero. Se revisaron los registros reproductivos de 1.249 vacas durante su última lactación. Del total de vacas remitidas a revisión reproductiva por anestro o diagnóstico de gestación, 23% (290/1249) presentó QFO; 44% (128/290) de las vacas desarrolló QFO después del primer servicio; 30% de las vacas con QFO (86/290) llegaron al diagnóstico de gestación y estaban vacías. Las vacas con puerperio patológico tuvieron mayor (Odds ratio 1,5) incidencia de QFO que las vacas con puerperio normal (patológico = 26% vs. normal = 20%). Las vacas multíparas tuvieron mayor (Odds ratio 2,2) incidencia de QFO (27,5%) que las vacas primíparas (15,5%). La proporción de animales vacíos en el día 150 posparto fue mayor (P < 0,05) en las vacas con QFO (76%) que en las vacas sin QFO (24%); asimismo, la proporción de animales vacíos en el día 300 posparto fue mayor (P < 0,05) en las vacas con QFO (24%) que en las vacas sin QFO (3%). Se concluye que 23% de las vacas desarrolló QFO y el único signo clínico fue el anestro. Las vacas que desarrollaron QFO tuvieron mayor probabilidad de estar vacías en el día 300 posparto, esto muestra el impacto negativo que tiene esta condición ovárica en los hatos lecheros modernos.Palabras clave: quistes foliculares ováricos, ganado lechero, fertilid...

Ovarian physiology of repeat breeder cows at Bathan area of Bangladesh

“…Whole the experiments the percentage differences of OFC among the groups were non-significant (P>0.05). JL Pesánteza et al, 2016 observed that the incidence rate of follicular Cyst 23% in Swedish dairy farm, which slightly more than our findings (11.11±5.11) of group -A, but smaller than Group-D (70.59±11.39). Our observed values, consistent with other observations in comparatively better conditions (Melendez et al, 2003, Vanholder et al ., 2006, contrasts with the findings (1 to 16%) recorded in the 1980s, Garverick 1982, Bartlett et al, 1986) which were more similar.…”

“…Uterine infection, inheritance and hormonal imbalance may lead to RB (Asaduzzaman et al, 2016).Many scientists observed others risk factors of RB like age, parity, BCS, milk yield(Asaduzzaman 2016, Islam et al ., 2012), physiological status ,milk yield, feed ( Nath et al, 2014). Pesánteza et al (2016) reported that ovarian follicular cysts (OFC) in dairy cattle cause economic losses as a result of extension of the open period, cost of treatment, and risk of elimination of cows from the herd. OFC incidence risen with increasing milk production and in these conditions, between 15 to 30% of cows develop this ovarian condition within 60 days postpartum (Peter, 2004).…”

Macro and microscopic examination of ovarian pathologies in abattoir samples of buffalo of Agra region, Uttar Pradesh, India

“…Similar observations were also reported by Kodagali and Kerur (1968). Furthermore, higher and lower prevalence were reported in many previous studies (Tomar et al, 2002;Mittal et al, 2010;Azawi and Ali, 2011;Amin, 2016;Pesantez et al, 2016). The difference in the incidence might be due to variation in the breed, region, management practices and provision of health cover etc.…”

Influência Da Inclusão Do Farelo De Arroz Integral Sobre a Temperatura Corporal De Frangos De Corte De Linhagem Caipira Pedrês

“…A incidência de cistos ovarianos em rebanhos de leite varia entre estudos, de 6% a 19% (Garverick, 1997) até 23% (Pesántez;Ortiz;Hernández-Cerón, 2016).…”