Feed intake and food conversion efficiency
Effects of feed intake and genetics on tissue nitrogen-15 enrichment and feed conversion efficiency in sheep
... restricted feed in- take, which relates to the requirement of ...residual feed intake) due to a lower weight of the reticulorumen (Fitzsimons et ...
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Effect of Salinity on Feed Conversion Rate, Feed Conversion Efficiency, Protein Intake and Efficiency of Protein Utilization Ratio in Common Carp Cyprinus Carpio
... in feed conversion rate and utilization ratio of protein with increase of salinity in juvenile goldfish Carassius ...infeed conversion rates and utilization ratio of protein, with increasing of ...
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Weather influences feed intake and feed efficiency in a temperate climate
... a given DMI) under varying weather conditions. We predicted that 1) as thermal indices 121.. 8 increase, cows will reduce feed intake to decrease metabolic heat production, and reduce [r] ...
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Food intake, absorption and conversion in the fishOphiocephalus striatus
... Although feeding rates were very high after resumption of feeding fMlowing different periods of starvation (10 to 40 days) absorption efficiency remained practicall[r] ...
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Evaluation of intake and feed efficiency measures in beef cattle
... of feed as cows during lactation, which led to improvement in cow efficiency as indicated by cow ...of feed intake across postweaning, lactating, and gestating cows is ...heifer feed ...
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The genetic basis of feed efficiency in swine divergently selected for residual feed intake
... industry, feed costs account for over half of total production costs (Giamalva, ...high feed prices have resulted in interest in reducing feed costs and improving feed efficiency ...
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Effects on Jerseys and Holsteins, Milk Production, Intake, and Feed Efficiency
... In production systems relative to location and climate, aren’t followed very closely in respect to how they affect the animal. It used to be that there were smaller farms because of milks perishability. Today with better ...
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Feed conversion ratio, residual feed intake and cholecystokinin type A receptor gene polymorphisms are associated with feed intake and average daily gain in a Chinese local chicken population
... In this study, the relative selection efficiency between FCR and ADG, MMBW and ADFI were − 0.680, − 0.691 and − 0.155, respectively. From these data, choosing the low FCR individuals will have a significant ...
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Factors affecting the daily feed intake and feed conversion ratio of pigs in grow-finishing units: the case of a company
... total feed intake per animal was calculated as the total amount of feed in kilo- grams delivered to each batch during the GF period, minus the amount of feed remained in the silos when the ...
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An Exploration of Biological Mechanisms that Impact Intake and Feed Efficiency in the Grazing Animal
... of the national pastureland was converted to these other land uses. Although some of these lands are converted to pastureland, there was still about a 9% loss of the total acreage of pasture from 1982-2007 (USDA-NRI, ...
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Feed Intake and Feeding Behavior Associations with Performance and Feed Efficiency of Feedlot Cattle Fed a Corn-based Diet
... of feed inputs without negatively impacting growth or other economically relevant ...traits. Feed costs represent the largest variable expense associated with producing beef, which emphasizes the necessity ...
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The Course of Growth, Feed Intake and Feed Efficiency of Different Turbot (Scophthalmus maximus) Strains in Recirculating Aquaculture Systems
... and feed efficiency first appear at approximately 500 g body weight, independent of strain, implying enduring fundamental biological processes related to ...
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Nitrogen use efficiency and feed conversion efficiency of lactating dairy cows grazing simple and diverse pastures
... 5.2.4 Feed conversion efficiency Energy intake and partitioning Average feed intakes were not significantly different for monitor cows in grazing either S or D pastures (Table ...N ...
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Porcine Feed Efficiency-Associated Intestinal Microbiota and Physiological Traits: Finding Consistent Cross-Locational Biomarkers for Residual Feed Intake
... Optimal feed efficiency (FE) in pigs is important for economic and envi- ronmental ...residual feed intake (RFI), and 100 extremes were selected (50 with high RFI and 50 with low RFI) across ...
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Organic acids in liquid feed for pigs - palatability and feed intake
... fermented feed and acidified feed reduces the incidence of salmonella (Van der Wolf et ...a feed it was necessary to have a concentration of 150 mmol/kg lactic acid or 80 mmol/kg acetic acid (with an ...
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Whole rumen metagenome sequencing allows classifying and predicting feed efficiency and intake levels in cattle
... with feed efficiency or residual feed intake (RFI) 8,15,16 ...associated feed efficiency traits to whole metagenome sequences, and their results have not yet been validated 5 ...
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Genetic Polymorphisms of Mc4R and IGF2 Gene Association with Feed Conversion Efficiency Traits in Beef Cattle
... matter intake (DMI) means the intake of dry matter of each individual on an average day, which was the sum total FI of individual test record divided by the record ...
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Feed Efficiency and Serobiochemical Profile of Wistar Rats Fed With Spirulina As Functional Food
... profile, Feed consumption, Feed ...nutrition. Food and diet not only supply the nutrients to the body to perform its functions, but also have several beneficial effects to maintain the ...implicated ...
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Optimizing Broiler Feed Conversion Ratio
... in feed spillage and an apparent increase in feed ...During feed transportation and distribution, segregation of feed constituents can occur, particularly if the feed quality is ...
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CASE STUDY: Feed Intake and Performance of Heifers Sired by High- or Low-Residual Feed Intake Angus Bulls
... residual feed intake INTRODUCTION Feed costs continue to be a large portion of the total expenses of a beef cattle ...quality. Feed continues to be a major cost to the cow-calf, stocker, and ...
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