EFFECT OF CLIMATE CHANGE ON TEST-DAY MILK YIELD OF HOLSTEIN COWS MAINTAINED IN THE NILE DELTA OF EGYPT

أثر التغيرات المناخية على إنتاج اللبن من الأبقار الهولشتاين فى محافظة الغربية

Seasonal Variations and Animal Related Factors Affecting Milk Traits in Hosstein -Friesian Dairy Cattle Under Subtropical Egyption Condition.

STUDIES ON FRIESIAN CATTLE IN EGYPT I.ENVIRONMENTAL FACTORS AFFECTING MILK PRODUCTION

IMPACT OF MILK YIELD ON ECONOMICS OF HOLSTEIN HERDS UNDER EGYPTIAN CONDITIONS

POTENTIAL EFFECT OF TEMPERATUREHUMIDITY INDEX ON MILK PRODUCTION AND PHYSIOLOGICAL PERFORMANCE OF LACTATING EGYPTIAN BUFFALOES

EXPECTED IMPACT OF SELECTION FOR MILK YIELD ON REPRODUCTIVE PERFORMANCE TRAITS IN HOLSTEIN FRIESIAN COWS UNDER EGYPTIAN CONDITIONS

Factors Affecting Annualized milk yield in Friesian cows in Egypt.

Some environmental factors affecting 305-day first lactation milk yield in Friesian in Egypt

Temperature gradients of Jersey cows in Upper Egypt