نتایج جستجو برای: rumen ph

تعداد نتایج: 177619  

Journal: :Arquivo Brasileiro De Medicina Veterinaria E Zootecnia 2022

ABSTRACT Rumen acidosis is a fatal disease that reduces milk and pregnancy yield due to digestion of cattle when not detected. Diagnosis this can be achieved by monitoring the nutritional parameters cattle. Internet Things (IoT) technology used in these kinds processes such as tracking within scope Industry 4.0. Thanks IoT, data collection, analysis, processing stages are carried out instantly ...

Journal: :Journal of dairy science 2017
Robin R White Mary Beth Hall Jeffrey L Firkins Paul J Kononoff

Physically effective neutral detergent fiber (peNDF) is the fraction of neutral detergent fiber (NDF) that stimulates chewing activity and contributes to the floating mat of large particles in the rumen. Multiplying dietary NDF by particle size has been used as an estimate of peNDF. In re-evaluating the concept of peNDF, we compared the use of peNDF as dietary NDF × particle size with the use o...

2014
Arda Yıldırım Yüksel Aksoy Nuh Ocak Zafer Ulutaş

Thirty-one Karayaka ram lambs were slaughtered at different body weights (30 (n =  7), 35 (n =  6), 40 (n =  7), 45 (n =  6), and 50 (n =  5) kg of body weight at fast) to evaluate the growth of their gastrointestinal tract (GIT) characteristics, to determine the relationship among slaughter body weight (SBW) and empty body weight (EBW), whole GIT and segments, and the influence of slaughter we...

2017
Aisha L. Yusuf Kazeem D. Adeyemi Anjas A. Samsudin Yong M. Goh Abdul Razak Alimon Awis Q. Sazili

BACKGROUND The nature and amount of dietary medicinal plants are known to influence rumen fermentation and nutrient digestibility in ruminants. Nonetheless, changes in nutrient digestibility and rumen metabolism in response to dietary Andrographis paniculata (AP) in goats are unknown. This study examined the effects of dietary supplementation of leaves and whole plant of AP on nutrient digestib...

Journal: :Journal of animal science 2003
S López F D D Hovell J Dijkstra J France

Three sheep fitted with a ruminal cannula and an abomasal catheter were used to study water kinetics and absorption of VFA infused continuously into the rumen. The effects of changing VFA concentrations in the rumen by shifting VFA infusion rates were investigated in an experiment with a 3 x 3 Latin square design. On experimental days, the animals received the basal infusion rate of VFA (271 mm...

ابراهیم روغنی حقیقی فرد, ,

This experiment was carried out to study the effects of Lactic Acid Bacteria (LAB) and urea on chemical composition, nutritive value and rumen fermentation characteristics of whole-crop barley. In a completely randomized design with cross over arrangement, 4 Suffolk male lambs were used. Whole-crop barley was either treated with LAB solution (35% dry matter) at the rate of 2 L/ton herbage fresh...

K.G. Wiryawan N. Hidayah R. Lubis R. Zurina S. Suharti, W. Rita

The effect of substituting native grass with jengkol (Archidendron jiringa) by-product on fermentation characteristics, rumen microbial profile, methane production, and hydrogen balance using in vitro method was investigated. Seven treatments (different composition of native grass, jengkol peel, jengkol leaves, and concentrate) with five replications in a block randomized desi...

BACKGROUND: Manipulation of rumen microbial population for improving animal performance is done by several methods including medicinal plants. Matricaria chamomille (chamomile) and Cichorium intybus (chicory) are two medicinal plant with antibacterial effect that there is little information about the effects of them on rumen microflora. OBJECTIVE: The present study was carried out to evaluate t...

2009
A. Khezri

Four multiparous lactating Holstein cows fitted with rumen cannulae were fed diets varying in the amount and source of rumen-degradable carbohydrates (starch vs. sucrose) to examine their effects on rumen fermentation, nitrogen metabolism and lactation performance. A 4×4 Latin square with four diets and four periods of 28 days each was employed. Corn starch and sucrose were added to diets and c...

Journal: :Journal of animal science 1990
J P Peters R Y Shen J A Robinson S T Chester

Studies were conducted to define steady state pH, propionic acid concentrations and fluid turnover in the rumen of steers fed every 3 h and to determine whether rates of ruminal propionic acid disappearance were linearly related to their in situ production rates. Ruminally fistulated beef steers (326 +/- 11 kg; n = 3) were fed eight times daily a 54% mixed hay: 46% corn-based concentrate diet t...

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