Last full review/revision May 2015 | Content last modified Jun 2015
The exact nutritional requirements for most species of birds are still unknown. The exceptions are birds raised for food or other products, such as poultry, ducks, ostriches, and pheasants. Avian diets for many species are extrapolated from the Nutrient Requirements of Poultry published by the NRC.
Care should be taken to confirm the breeding date of the mare so that these 18-day unilateral...
Video Sonogram of 45-Day Twins
The large hyperechoic (white) line that floats down into view is the adjacent chorions of the twins.
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