Lactation persistency and some physiological characteristics in first lactation of German Black Pied F2 generation

Investigation of the effect of genetic base and lactation number on persistency of lactation in a population of black pied cattle. Review of Research Work at the Faculty of Agriculture, Belgrade 41(1): 89-99, 1996

Results of the Jersey crossbreeding programme in the German Democratic Republic. 5. Milk yield, persistency, and ease of milking in the first lactation of F1 cows from Jersey x German Black Pied crosses. Tierzucht, 20: 286-291, 1966

Lactation persistency and evaluation of breeding value of black-pied bulls. Arhiv za Poljoprivredne Nauke 31(113): 7-15, 1978

Parameter estimates for persistency of lactation and relationship of persistency with milk yield in Holstein cattle. I. Factors affecting persistency of lactation. Hayvansal Uretim Journal of Animal Production 44(1): 76-94, 2003

Milk and milking characteristics and lactation persistency in Yugoslav Pied X Jersey crosses. Savremena Poljoprivreda 21(3/4): 5-18, 1973

Phenotypic and genetic characteristics for milk production performance traits as determined from lactation performances of a random sample of German Black Pied cattle. Arch. Tierz, 14: 5, 309-315, 1971

Physiological energy value of milk from German Black Pied dairy cows: prediction, relation to stage of lactation and comparison with gross energy value. Milchwissenschaft 50(3): 123-126, 1995

Studies on the course of the lactation curve. II. Relationship between persistency and lactation yield, and the influence of the duration of lactation and the month of calving on the shape of the lactation curve.. Zuchtungskunde. 33: 8, 380-93, 1961

Lactation curve studies on high-yielding German Black Pied Dairy cows in the German Democratic Republic. Archiv fur Tierzucht 30(2): 131-141, 1987

Prediction of lactation milk yield from part lactation records, from maximum daily production and from persistency of lactation. Annali Sper. agr, 18: 3/4, 509-32, 1964

Insulin, glucagon, growth hormone, glucose and free fatty acids in blood of German Black Pied and German Simmental cows in high lactation. Insulin, Glucagon, Wachstumshormon, Glucose und Freie Fettsauren im Blut von Kuhen der Rassen Deutsche Schwarzbunet und Deutsches Fleckvieh wahrend der Hochlaktation: 122 pp., 1989

Investigations on the course of the lactation curve. I. Influence of initial yield and lactation number on the shape of lactation curve and lactation yield. II. Relationships between persistency and lactation yield and the influence of length of lactation and month of calving on the shape of the lactation curve.. Zuchtungskunde, 33: 161-177 ; 380-393, 1961

Comparison of 1st-lactation yields of Holstein-Friesian and German Black Pied cows. Tierzucht 26(5): 177-178, 1972

Studies on the cell content of milk during the 1st lactation of German Black Pied half-sib groups. Archiv fur Tierzucht 16(3): 213-220, 1973

Results of crossing German Black Pied cattle with Jerseys. 6. Further investigations of lactation performance. Arch. Tierz, 9: 145-157, 1966