Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Cecil Branton"'
Autor:
Cecil Branton, B.F. Hollon
Publikováno v:
Journal of Dairy Science. 58:93-101
Viability and health disorders were compared for straightbred Holsteins and crosses between Holsteins, Brown Swiss, Jerseys, and Red Sindhis. In addition, effects of mating systems and effects of various parts of Red Sindhi heredity on these traits w
Publikováno v:
Journal of Dairy Science. 57:833-841
Season of calving had important effects on the shape of the lactation curve, affecting peak milk yield, persistency, and lactation lengths in a Louisiana Holstein herd. Feeding regime and age at calving also had marked effects. Plane of nutrition app
Autor:
J.E. Johnston, Cecil Branton
Publikováno v:
Journal of Dairy Science. 36:934-942
Publikováno v:
Journal of Dairy Science. 44:1344-1355
Summary Red Sindhis were crossed with Holstein-Friesians (H) at two stations and with Brown Swiss (BS) at a third station for the purposes of studying growth and productive adaptability of dairy cattle in the southern region of the United States. The
Publikováno v:
Journal of Dairy Science. 42:1086-1094
Summary The mean duration of estrus for 1,460 estrous periods for 270 cows and heifers was 11.9 hr., with heifers having significantly longer estrous periods than parous cows. Nonstanding estrus was observed in 10.1% of the estrous periods. Estrus af
Publikováno v:
Journal of Dairy Science. 28:509-517
Summary Two experiments were conducted to test the effect of iodinated-casein feeding on the production and health of Jersey and Holstein milking cows under Louisiana conditions. In a reversal trial 6 cows were used and 15 grams of iodinated casein p
Autor:
G.W. Salisbury, Cecil Branton
Publikováno v:
Journal of Animal Science. 6:154-160
Publikováno v:
Journal of Dairy Science. 31:779-791
Summary and Conclusions Six dairy bulls were fed dry roughages low in carotene and a concentrate deficient in carotene and vitamin A for a period of 16 months without inducing clinical manifestations of vitamin A deficiency or noticeable impairment o
Publikováno v:
Journal of Dairy Science. 36:1301-1307
Publikováno v:
Journal of Dairy Science. 34:310-316
One of the paramount problems in the artificial breeding of dairy cattle is that of evaluating the quality and potential fertilizing capacity of semen. The most popular and widely used semen quality tests are (a) the microscopic estimation of motilit