However, there do not appear to be any studies that have attempted to calculate, analyse, and compare cumulative fertility differentials—versus natives—over the entire reproductive life course for different immigrant origin groups. As discussed in the introduction, most of what we know about ...
To calculate the labour to produce the feed, we assumed that one type of crop was used as feed for all the animal products. We selected maize as the feed for both the mechanized and the non-mechanized systems. We then multiplied the hours required to produce one kg of maize by an ...