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Udder health at a Swedish research farm with both organic and conventional dairy cow management.
- N. Fall, U. Emanuelson, K. Martinsson, S. Jonsson
- Biology, Medicine
- Preventive veterinary medicine
- 1 February 2008
The groups did not differ in any measure of udder health and the effect of animal group was analysed by multivariable linear, Poisson and logistic-regression models, controlling for factors such as lactation number, breed, year, season and milk yield. Expand
Effects of maturity stage and feeding strategy of whole crop barley silage on intake, digestibility and milk production in dairy cows
Differences in digestibility between diets B1 and B3 may be a result of soil contamination at harvest of some of the silages, which made the method with using incomplete faecal collection and internal marker acid insoluble ash less reliable. Expand
Intake and digestion of whole-crop barley and wheat silages by dairy heifers.
- B.-O. Rustas, J. Bertilsson, K. Martinsson, T. Elverstedt, E. Nadeau
- Biology, Medicine
- Journal of animal science
- 1 December 2011
The effect of maturity at harvest on the digestibility and intake of large bale silage made from whole-crop barley and wheat when fed to growing heifers was evaluated. Two crops of spring barley… Expand
Voluntary intake of silages in dairy cows depending on chemical composition and in vitro gas production characteristics
Abstract A study was conducted to investigate the possibilities to develop models for predicting the relative silage dry matter intake (SDMI) in dairy cows utilising information on chemical… Expand
Comparative levels of free and conjugated plant estrogens in blood plasma of sheep and cattle fed estrogenic silage.
Plasma concentrations of the plant estrogens formononetin, daidzein, and their metabolite equol were determined in blood samples from dairy cattle and sheep, fed on red clover/grass silage. The… Expand
Effects of feeding dairy cows different legume-grass silages on milk phytoestrogen concentration.
Investigation of the effects of varying the botanical composition and regrowth interval of legume-grass silage on phytoestrogen intake and milk phy toestrogen concentrations shows that milk phYtoestrogens concentration is strongly influenced by silageBotanical composition, but questions regarding phyToestrogen metabolism remain to be answered. Expand
The effect of additives in silages of pure timothy and timothy mixed with red clover on chemical composition and in vitro rumen fermentation characteristics
Abstract The aim was to compare the effects of additives ondirect cut silages of pure timothy and timothy mixedwith tetraploid red clover. First and second growth cutswere ensiled during three… Expand
Voluntary intake and diet selection by dairy heifers fed ensiled whole-crop barley and oats harvested at different stages of maturity.
It is shown that heifers are likely to feed selectively when fed whole-crop cereal silages prepared from crops harvested at the early dough stage, and that oat or two-rowed barley silage selected fractions low in NDF is most likely due to a low DM content and a high content of fermentation products. Expand
New methodology for estimating rumen protein degradation using the in vitro gas production technique
Results showed that feed, time and feed × time interaction all affected IVDP estimates, and development of the technique into a useful method for estimating CP degradation in the rumen was developed. Expand
Effects of conservation method on fatty acid composition of silage
Since the different additives and wilting strategies tested in this study did not affect the proportions of FAs in silage to a major extent, the results indicate that such a process offers a robust means to avoid losses of F as well as retaining the positive effects of wilting, such as reduced losses of nutrients through effluent. Expand