A52-75-2007E.pdf - AgroMedia International Inc

Research Summary Index11 Milk from forage as affected by carbohydrate source and degradability with alfalfa silage-based diets................... 4012 Impact of lowering dietary cation-anion difference in non-lactating cows: A meta-analysis.......................................... 4013 Effects of tannic acid and quebracho tannins on in vitro ruminal fermentation of wheat and corn grain................. 4114 Effect of casein and propionate supply on whole body protein metabolism in lactating dairy cows......................... 4115 Acidogenic value of feeds. I. The relationship between the acidogenic value of feedsand in vitro ruminal pH changes.............................................................................................................................................. 4216 Acidogenic value of feeds. II. Effects of rumen acid load from feeds on dry matter intake,ruminal pH, fibre degradability and milk production in the lactating dairy cow................................................... 4217 What is the true supply of amino acids for a dairy cow?............................................................................................................... 4318 Evaluation of net energy expenditures of dairy cows according to body weight changesover a full lactation........................................................................................................................................................................ 4419 Prediction of dry matter intake throughout lactation in a dynamic model of dairy cattle performance.................... 4420 Effect of ruminally protected methionine on splanchnic metabolism of amino acidsin lactating dairy cows................................................................................................................................................................. 4521 Development of a remote method for the recording of cattle weights under field conditions..................................... 4522 An emerging method for rapid characterization of feed structures and feed component matrixat a cellular level and relation to feed quality and nutritive value............................................................................... 4623 Dietary oil rich in polyunsaturated fatty acids for ruminants: Post-ruminal digesta characteristicsand their implications on production.................................................................................................................................... 4624 Impact of B-vitamin supply on major metabolic pathways of lactating dairy cows........................................................... 4725 In situ degradation of timothy conserved as restrictively or extensively fermented silage or as hay.......................... 4726 Effect of maceration of bromegrass-alfalfa silage on ruminal degradability and performanceof lactating dairy cows................................................................................................................................................................. 4827 An evaluation of the accuracy and precision of a stand-alone submersible continuousruminal pH measurement system........................................................................................................................................... 4828 Responses to amino acid imbalances and deficiencies in lactating dairy cows................................................................... 4929 Physically effective fiber: Method of determination and effects on chewing, ruminal acidosis,and digestion by dairy cows...................................................................................................................................................... 4930 Increasing the physically effective fiber content of dairy cow diets may lower efficiency of feed use........................ 5031 Lower pregnancy losses in lactating dairy cows fed a diet enriched in α-linolenic acid................................................... 5132 Evaluation of models to describe ruminal degradation kinetics from in situ ruminal incubationof whole soybeans........................................................................................................................................................................ 5133 Effect of postruminal glutamine supplementation on immune response and milk production in dairy cows........ 5234 Propionate is not an important regulator of plasma leptin concentration in dairy cattle................................................ 52Genetics1 The value of genetic information in selecting dairy replacements........................................................................................... 552 An iterative procedure for deriving selection indexes with constant restrictions............................................................... 563 Power of QTL detection by either fixed or random models in half-sib designs.................................................................... 564 Comparison of protocols to estimate twenty-four-hour fat and protein percentages for herdswith a robotic milking system................................................................................................................................................... 575 Transmission disequilibrium test for quantitative trait loci detection in livestock populations..................................... 576 Analysis of inbreeding and its relationship with functional longevity in canadian dairy cattle..................................... 587 Optimal random regression models for milk production in dairy cattle................................................................................. 588 Strategy for applying genome-wide selection in dairy cattle..................................................................................................... 599 Analysis of the relationship between somatic cell score and functional longevity in canadian dairy cattle............. 5914 Highlights in Canadian Dairy Cattle Research - 2007