Dairy Cattle Technical Articles
Article published the November 25, 2016:
Background
Previous research has underscored that provision of adequate levels of essential AA (EAA) is critical for improving N utilization efficiency as well as maximizing bovine milk protein synthesis [1]....
Article published the November 25, 2016:
Introduction
Cryptosporidiosis is a zoonotic protozoan disease that has a very broad and versatile geographic distribution including the Antarctic region [1]. Cryptosporidium is the causative agent and...
Article published the November 18, 2016:
Background
A recent study by the SDSU Dairy and Food Science Department investigated the effects of water quality on heifer preference and drinking behavior. Providing good quality water to livestock is a majo...
Article published the November 18, 2016:
1. Introduction
Endoparasitic nematodiasis are considered as one of the main factors seriously affecting the livestock industry, since they cause an important reduction not only in the animal weight but also ...
Article published the November 11, 2016:
Artificial insemination is a powerful tool for genetic improvement that enhances the value of bred heifers. A longer duration of estrus and more mounting activity makes the detection of estrus in heifers easier...
Article published the November 11, 2016:
INTRODUCTION
The rumen ecosystem comprises a complex of dense microbial communities of bacteria, methanogens, protozoa, fungi and bacteriophages. Bacteriophage forms a closely integrated ecological unit with e...
Article published the November 11, 2016:
Rumen-protected lysine (Lys) and methionine (Met) are becoming common fixtures in dairy rations, particularly in those where milk is sold not only for volume, but also for the component values.
Research and pr...
Article published the November 4, 2016:
Introduction
Late pregnancy and lactogenesis are linked to comprehensive endocrine and metabolic changes. Homeorhetic adaptations are necessary to accomplish the nutrient drain towards the mammary gland. They...
Article published the November 4, 2016:
Introduction
Clostridium perfringens is a Gram-positive, spore-forming, anaerobic bacterium. It is a normal component of the intestinal microbiota of animals, including humans. It secretes several toxins and e...
Article published the October 28, 2016:
Introduction
Evaluation of serum or plasma electrolytes is important part of the blood chemistry profile in cattle. Potassium (K+) and sodium (Na+) are the major intracellular and extracellular cations, ...