Use of a sanitary sheath at artificial insemination by nonprofessional technicians does not markedly improve pregnancy rates to artificial insemination in pasture-based dairy cows.
Hosie J, Rowe SM, Morton JM, Tranter WP, Cavalieri J.
Associated factors to pregnancy in intrauterine insemination.
Vargas-Tominaga L, Alarcón F, Vargas A, Bernal G, Medina A, Polo Z.
JBRA Assist Reprod. 2020 Jan 30;24(1):66-69. doi: 10.5935/1518-0557.20190060.
PMID:31693317
Pregnancy outcome after artificial insemination or IVF with frozen semen donor: a collaborative study of the French CECOS Federation on 21,597 pregnancies.