Animal Science Department

 

Date of this Version

12-4-1991

Comments

Published for Proceedings, The Range Beef Cow Symposium XII December 3, 4 & 5, 1991, Fort Collins, Colorado.

Abstract

What are the primary factors that influence the ability of cows to rebreed following calving? From a broad perspective, two key factors influence when conception occurs. First, cows must initiate estrous (heat) cycles following calving to provide the proper conditions for conception to be possible. Secondly those events involved in conception must occur. We will discuss what has to occur before estrous cycles are initiated. The influence of the presence of bulls on initiation of estrous cycles is emphasized. In the second section of the paper, we describe conception rates in 2 and 3 year old cows during the early post calving period. In addition, we describe management decisions which influence net income in cow/calf operations.

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