Breeds of Livestock: Comparitive Research Section: Breed Comparisons in the Germplasm Evaluation Program at MARC [Table 1]

Breed Comparisons in the Germplasm Evaluation Program at MARC (Table 1)

TABLE 1. SIRE BREEDS USED IN THE FIRST FOUR CYCLES OF THE GERMPLASM EVALUATION PROGRAM AT THE ROMAN L. HRUSKA U.S. MEAT ANIMAL RESEARCH CENTER
Cycle I(1970-72)	Cycle II(1973-74)	Cycle III(1975-76)	Cycle IV(1986-90)

F₁ crosses from Hereford or Angus dams (Phase 2)
Hereford Angus Jersey S. Devon Limousin Simmental Charolais	Hereford Angus Red Poll Braunvieh Gelbvieh Maine Anjou Chianina	Hereford Angus Brahman Sahiwal Pinzgauer Tarentaise	Hereford Angus Longhorn Salers Galloway Nellore Piedmontese Charolais Gelbvieh Pinzgauer
3-way crosses out of F₁ dams (Phase 3)
Hereford Angus Brahman Devon Holstein	Hereford Angus Brangus Santa Gertrudis

aHereford and Angus sires originally sampled in 1969, 1970 and 1971 (born in 1963-1970) were used throughout Cycles I, II, III and IV. In Cycle IV, a new sample of Hereford and Angus sires produced in 1982, 1983, and 1984 were used and compared to the original Hereford and Angus sires.