Zobrazeno 1 - 6
of 6
pro vyhledávání: '"11"'
Publikováno v:
Animal Science. 69:441-446
The response of Awassi ewes to graded amounts of supplementary concentrate diet was examined for the first 12 weeks of lactation. The growth rate of lambs and their health status were also investigated. Seventy-five ewes were divided into three equal
Autor:
J. F. D. Greenhalgh, S. Done, P. Toplis, P. Smith, D. A. Grubb, Barbara A. Baird, D. Williams, M. L. Yeo, A. L. Lightfoot, N. Walker
Publikováno v:
Animal Science. 30:395-406
1. Gestation diets formulated to contain A, 9 or B, 11 % protein, and lactation diets with C, 13; D, 15; E, 17 and F, 19 % protein provided eight treatment combinations. They were given at 2 kg/day in gestation and approximately 5·7 kg/day in lactat
Autor:
B. Jørgensen, Signe Hald Andersen
Publikováno v:
Jørgensen, B & Andersen, S 2000, ' Genetic parameters for osteochondrosis in Danish Landrace and Yorkshire boars and correlations with leg weakness and production traits ', Animal, vol. 71, pp. 427-434 .
The purpose of this study was to estimate the heritabilities and the genetic correlations of osteochondrosis in different joints and to estimate genetic correlations between osteochondrosis, leg weakness and production traits. The humerus condyles, a
Publikováno v:
Animal Science. 40:233-241
A function to describe live-weight changes of dairy cows between two calvings is constructed. The following measurements were used: live-weight level (scale), pregnancy parameter, maximum decrease of live weight during the lactation and the time duri
Autor:
P. D. P. Wood
Publikováno v:
Animal Science. 22:35-40
SummaryThe lactation curves of whole milk production and of compositional quality measures may be represented by one of a family of curveswhere the coefficients a, b and c define the curve of production of a character y at week n.An analysis of prote
Publikováno v:
Animal Science. 41:1-12
One hundred first lactation Friesian dairy heifers were used to investigate the effect of level of nutrition n i late pregnancy and for a limited period around the time of insemination on reproductive performance. The heifers were housed throughout t