ILCA Bulletin No. 17 - January 1984

Acacia activity Addis Ababa agricultural Ahmadu Bello University Aloë altitude animals annual rainfall anthelmintic areas of Africa arid Ascaridia galli average bark Botswana braziliensis Chilalo climatic zone Correlation coefficient Correlation statistics countries Intercept Slope country set cow milk creases crop cultivation Dalziel Debre Berhan Debre Zeit deparasitization Dependent variable dose energy Ethiopian highlands Ethiopian Rift Valley Eutric farmers fluvisols forage given in Table goat meat Pig grass floras growth rate helminthiasis helminths Hyparrhenia Ibrahim ILCA ILCA's increases in cereal increases in output inputs Intercept Slope Beef Jebel-Marra Kenya labour livestock livestock output livestock population livestock products maresha meat Pig meat milk output Niger Nigeria Niono Nwude output of livestock oxen plants plough Poultry meat rats region Sahel screening semi-arid Senegal shared species sheep and goat soil units statistics for increases Sudan temperatures Terminalia tion tropical ture Uganda vegetation vertisols veterinary expenditure West Africa