ASSESSMENT OF RECTAL PALPATION AS A TECHNIQUE FOR THE DETECTION OF CORPORA LUTEA AND ESTIMATION OF THE STAGE OF PREGNANCY IN ZEBU COWS . Nigerian Journal of Animal Production [Internet]. 2021 Jan. 16 [cited 2026 Nov. 13];13:41-7. Available from: https://njap.org.ng/index.php/njap/article/view/2386