In order to investigate the content and change of nutrient ingredients in crop milk of pigeon,the experi-ment assayed crop milk of0～3days'age and of4～6days' age,the result indicated that:Crop milk was composed of wa -ter,protein,fat or lipids,ash;The former and the latter contained52.6%and44.6%crude protein,38.16%and32.19%crude fat,respectively;The former was completely void of carbohydrates.With the increasing of daily age,wa ter content was relatively constant ;The ratio of Ca and P was increased a little;The contents of crude protein,crude...
