This study evaluated the relationship between the temperature–humidity index (THI), health and growth performance of Japanese black calves, by reviewing health data collected from nearly 20,000 calves and 60,000 markets weights. Read
Changes in digestive microbiota due to a grain-based SARA challenge
A study showing how a grain-based diet-induced subacute ruminal acidosis (SARA) challenge impacts the rumen microbiota of lactating dairy cows. The richness, the diversity, as well as the stability of the bacterial communities were reduced for SARA challenged cows. Both ruminal and fecal microbiota were changed, indicating that the rumen but also the hindgut microbiota are affected by SARA challenge. Read
Transient feeding of a concentrate-rich diet increases the severity of SARA
An interesting study looking at the effect of feeding pattern on subacute ruminal acidosis (SARA) severity and rumen VFA concentrations in dairy cows. Read
New Functional DNA Microarray to Monitor Rumen Microbiota Activity
French scientists recently developed an innovative functional DNA microarray called FibroChip, which targets 392 genes involved in monitoring ruminal cellulose and hemi-cellulose degradation. Read
Monitoring behavior could be a promising tool for early lameness detection
Moderately lame dairy cows tend to lie down longer, eat less and use the automatic grooming brush less often than non-lame cows based on a study of 17 Swiss dairy farms. Read
SARA affects fermentation and endotoxin concentration in the rumen
Subacute ruminal acidosis affects fermentation and endotoxin concentration in the rumen and relative expression of the CD14/TLR4/MD2 genes involved in lipopolysaccharide systemic immune response in dairy cows Read
Associations of feeding behavior and milk production in dairy cows
A new multi-study analysis on the relationship between feeding behavior and lactating dairy cow performance shows that milk yield is increased by 0.02 kg per minute of rumination and confirms that milk fat is related to rumination time. Read
Use of NIRS to predict fiber digestibility
The quick evaluation of feed through near infrared reflectance spectroscopy (NIR) are becoming more and more common on farms across the globe. Read
Transformation of the young calf’s gastrointestinal tract
During weaning, ruminal adaptation and nutrient flow to the lower gastrointestinal tract dramatically change and the gut structure, permeability and function are altered. Read
A survey to describe current cattle feedlot facilities
A survey in the High Plains region of the United States, describing general feedlot information, shipping and receiving areas, finishing pens, and hospital facilities. Read
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