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Showing Category: Health
Heat-stress effects on dairy cattle behavior
Resting time is inversely correlated with milk production and directly correlated with gestation length. Based on readings of thousands of cows fitted with pedometers in multiple farms, Afimilk has measured 500 to 700 minutes per day as the normal resting time for lactating dairy cows.
Online evaluation of milk quality according to coagulation properties for its optimal distribution for industrial applications
Under prevailing practices milk delivered to dairy plants is graded upon reception, according to acceptable standards of hygienic quality. In most countries, these standards include upper limits on transportation temperature, bacterial counts, antibiotic residues, and SCC (McLaughlin, 2006; USFDA, 2007).
Influence of intramammary infection of a single gland in dairy cows on the cow’s milk quality
Intramammary infection (IMI), comprises a group of costly diseases affecting dairy animals worldwide. Many dairy parlours are equipped with on-line computerised data acquisition systems designed to detect IMI. However, the data collected is related to the cow level, therefore the contribution of infected glands to the recorded parameters may be over estimated
The Multifactorial Approach to Fertility Problems
Feeding for efficient milk production leads in modern dairy practice. Efforts to maintain production and fertility at optimal levels under given market, husbandry and feeding conditions, often fail. Yet, financial
losses for an “open day” are estimated in various studies to be 2.5 to 5.0 US$.
Achieving Optimal Cow Performance with the Aid of Information Systems
Control of production Diseases often involves various disciplines and therefore calls for a “multivariate approach”. Such an approach, centered on the herb, had led to the adaptation of integrated programs of the herd health,
New parameters to aid in the diagnosis of disease in post-partum dairy cows
Disease in fresh cows is probably the factor with the most devastating effects on milk production and reproductive performance. The objective of this study was to evaluate parameters that can be easily measured on a farm to determine their ability to detect subclinical disease in fresh cows
Early detection can prevent costly losses
Early detection and intervention are obviously critical for preventing major losses, but the vast majority of ketosis cases are subclinical, meaning there are no overt signs of disease.
Subclinical ketosis in post-partum dairy cows
Cows with concentration of ketones in blood ≥1.2 mmol/L in early lactation had a higher risk of PVD and lower 6-week PR. Cow and herd-level prevalence of SCK varied widely in early lactation.
Early Detection Of Clinical And Sub-Clinical Mastitis
Mastitis is the most costly disease affecting daily cattle. Losses occur from decreased milk production, treatment and labor costs, non deliverable milk, veterinary fees, reduced milk quality, reduced milk price, increased risk of subsequent mastitis, culling and death of the cow.