Answers are grounded in this paper and cite their sources.
Two groups (five animals each) of 12-to 15-month-old virgin Holstein heifers were used to evaluate the effects of natural and controlled hot and cool climatic conditions in a 180-day experiment on certain reproductive and physiological responses.
No takes yet. Share an insight, caveat, or question.
Gangwar et al. (1965) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: