Nutritional performance of calves fed milk replacers containing processed soybean products

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Growth and body composition of dairy calves fed milk replacers containing different amounts of protein at two feeding rates.

Previous research has demonstrated that increasing the CP concentration from 16 to 26% in milk replacers fed to male preruminant dairy calves at 1.5% of BW (DM basis) daily resulted in increased ADG, G:F, and deposition of lean tissue. However, the effects of dietary CP would be expected to vary depending on ME intake. Here, male Holstein calves < 1 wk old were used to determine the effects of ...

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The Limiting Sequence and Proper Ratio of Lysine, Methionine and Threonine for Calves Fed Milk Replacers Containing Soy Protein*

The limiting sequence and relative ratio of lysine (Lys), methionine (Met), and threonine (Thr) for calves about 2 mo of age fed milk replacers (MR) containing soy protein are not clearly defined. The objective of the study was to investigate the effect of supplementing MR containing 22% CP, half from soy protein concentrate (SPC, 40.56% CP, flour) and half from whey proteins, with Lys, Met, an...

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Excretion of Antibiotic Resistance Genes by Dairy Calves Fed Milk Replacers with Varying Doses of Antibiotics

Elevated levels of antibiotic resistance genes (ARGs) in soil and water have been linked to livestock farms and in some cases feed antibiotics may select for antibiotic resistant gut microbiota. The purpose of this study was to examine the establishment of ARGs in the feces of calves receiving milk replacer containing no antibiotics versus subtherapeutic or therapeutic doses of tetracycline and...

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Milk Replacers and Bovine Spongiform Encephalopathy in Calves, Japan

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Nutritional Value of Differently Processed Soybean Seeds

BACKGROUND AND OBJECTIVES: Soybeans have been used in human and animal nutrition because of their favorable agronomic characteristics, relatively low price, high quality and quantity of protein and oil as well as their important functional properties for the development of different types of foods for humans. However, Raw Soybean Seed Meal (RSSM) contain high levels of anti-nutritional factors ...

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ژورنال

عنوان ژورنال: Canadian Journal of Animal Science

سال: 1991

ISSN: 0008-3984,1918-1825

DOI: 10.4141/cjas91-011