▪▪ Spengler Neff A., Ivemeyer S., 2016. Differences between dairy cows descending from artificial insemination bulls vs. dairy cows descending from natural service bulls on organic farms in Switzerland. Livest. Sci. 185, 30-33.Spengler Neff, A.and Ivemeyer, S.2016. Differences between ...
Most of these studies used beef cattle or growing heifers, but there are distinct differences between dairy and beef cattle. Limited studies have shown a correlation between rumen microbial ecology and RFI in lactating dairy cattle [13]. However, a high concentrate diet (70% concentrate) may ...
Significant differences in fertility between dairy cows selected for one QTL located on bovine chromosome 3 are not attributable to energy balance, althoug... (2013) Significant differences in fertility between dairy cows selected for one QTL located on bovine chromosome 3 are not attributable to ...
4. Arterial insulin concentrations doubled in the non-lactating cows during a 3 h infusion of propionate into a mesenteric vein, but remained unaltered in the lactating cows. 5. Differences in insulin concentration and output between the lactating and non-lactating cows were not consistently ...
Breed differences in postpartum cyclicity of pasture-based dairy cows Journal of Animal ScienceWilliams, C. M.Washburn, S. P.Elias, A. N.Whisnant, C. S.
Simple Summary: Two-thirds of Swedish beef originates from dairy cows and their offspring, and the vast majority of the calves are of pure dairy breeds. At... Hessle, Anna,Therkildsen, Margrethe,Arvidsson-Segerkvist, Katarina - Animals (2076-2615) 被引量: 0发表: 2019年 ...
Records for 6012 inseminations of cows were analysed to determine the effect of the stage of oestrus at the time of insemination on conception rates for three groups of sires. All inseminations were completed between 8.30 hr and 11.30 hr using 2·5 million total spermatozoa in 0·5 ml of ...
Well,not all the milk you see on supermarket shelves is from cows.These days we see many plant-based alternatives to dairy,such as oat,pea and soya milk.But why would someone stop drinking their full-fat ,semi-skimmed or skimmed cow's milk and trade it for one of ...
Furthermore, Holstein cows and Korean native cattle spermatozoa were systematically analyzed and revealed significant differences in spermatozoa head length, head width, midpiece length, and tail length between the two breeds. This label-free imaging approach provides a new technique for understanding ...
There are two basic differences between the large and the small firms. In the small firm you operate primarily through personal contacts. In the large firm you have established“policies ,“channels of organization, and fairly rigid procedures. In the sm