About: http://webisa.webdatacommons.org/360792017

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Factors such as climatic conditions, variation in the chemical composition of the raw materials used to formulate diets and changes in husbandry practices, may all contribute to the potential variation between years.
http://www.w3.org/ns/prov#wasQuotedFrom	scielo.org.za