Reasons for non-pregnancy in cows (despite the appearance of signs of estrus)
The presence of inflammation in the uterus may be apparent or not
The insemination was done at an inappropriate time, early or late, and does not coincide with the time of ovulation. the right time within 24 hours
Incompetence of the pollinator
Use of invalid straws
The presence of old infections in the uterus, dystocia, or placenta retention cause uterine fibrosis to different degrees
Using medicines in the wrong way
Deficiency in various nutritional values (protein - energy - vitamins - minerals - amino acids)
