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Dairy cattle nutrition

Welcome to the page about Dairy cattle nutrition of Engormix; a source of knowledge on Dairy cattle nutrition.
Jeffrey Firkins
Ohio State University
Ohio State University
Introduction Sugars are rapidly and extensively fermented in the rumen. Clearly, adding sugar to a diet already high in ruminally degraded carbohydrates should offer little benefit and could decrease digestibility of fiber, whereas diets that have less-than-optimal rumen degraded carbohydrate probably will benefit the most from addition of sugars. Therefore, dietary situations influence the optimum feeding rate of between 2.5 and 5% supplemental...
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More than 90% of the alfalfa planted in Argentina is used under direct grazing for beef and dairy production. In this context, bloat is a very serious problem and it is one of the main causes of animal losses. In 2002, INTA ( National Institute for Agricultural Technology, Argentina ) released ProINTA Carmina (Carmina), a non-dormant alfalfa cultivar selected for lower initial rate of dry matter disappearance. In several trials conducted at INTA units,...
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Introduction Agricultural byproducts comprise main feed source for livestock production in south Asia. Due to unprecedented rainfall, paddy harvesting was severely affected during mid November last year. The paddy plants were thoroughly wet and straw from such plant were used by farmers. As a result Degnala disease, as reported by British animal health technician Sarlow in 1930 was seen in buffaloes in various parts of country. Now...
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Dr. Deepak Kumar Dubey
Kemin Industries, Inc
When we talk about dairy nutrition our discussion is limited to energy, proteins, fats, etc., which have a direct impact on animal health and milk production. As a result, the nutrients that require less quantity, for example minerals or more precisely trace minerals, are often forgotten. Minerals are inorganic elements required for proper growth, body maintenance, nerve function, body enzymes and hormones. Trace minerals, as per the name, are required...
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INTRODUCTION Inflammation and pain mostly occurs in many diseases of goats. To provide improvement in animals well being and outcome, the condition of inflammation and pain is treated /managed by a variety of pharmacological agents of which NSAID´s is one of the important and large group (Aydin et al., 2003). Among NSAID´s diclofenac sodium is widely available veterinary drug. It is used for the symptomatic treatment and management of...
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Abstract: The objective of this study was to assess the influence of replacing percent of alfalfa by percent of Atriplex as roughage fed to animals. Twenty four adult Barki lambs weighed an average 49± 77 kg and age 3 years were used in six digestibility trials (4 animals each). Experimental diets were made of alfalfa and Atriplex nummularia in different ratios to each other as follow:R1: 75 % alf + 25% At, R2: 50 % alf + 50 % At, R3: 25 % alf + 75 % At, R4: 100...
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Marcos Veiga dos Santos
USP -Universidade de São Paulo
USP -Universidade de São Paulo
1. Introduction The interest in milk protein has risen in the last decades due to its nutritional (Meisel, 2004) and economical importance (Emmons et al., 2003). Higher true protein concentration in milk is desirable to attend the dairy industry demands (Emmons et al., 2003). Milk nitrogen fractions are composed of casein, whey proteins and non- rotein nitrogen (Depeters and Cant, 1992). Casein and...
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I just want to discuss the role of biotin and its concentration in normal min mixture for dairy and in injectable form for cattle.  I found some companies are coming with injection form including 12.5 microgram per ml. and in mineral mix also in less concentration. ...
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David Chapman
University of Melbourne
University of Melbourne
David Chapman, Principal Scientist of Dairy NZ, speaks about Pastures in intensive production systems: challenges to combine sustainability, competitively and environment at the 34th Argentine Congress of Animal Production- 1st Joint Meeting ASAS-AAPA in Mar del Plata, Buenos Aires, Argentina. ...
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Fredric Owens
Oklahoma State University
Oklahoma State University
Dr. Fred Owens, Ruminant Nutrition Specialist of Pioneer Hi-Bred, speaks about Advances in nutrition in the last decade that impacted in animal production efficiency (beef and dairy) at the 34th Congress of Animal Production in Buenos Aires, Argentina. ...
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Robert M. Herd
Robert M. Herd and 1 more
University of New England
University of New England
Summary Residual feed intake (RFI) is a measure of feed efficiency. It is the difference between the amount of feed eaten by an animal over a test period and the amount of feed predicted or expected to have been eaten by the animal based on its size and level of production. By this measure of efficiency, animals that eat less than expected have a negative RFI and are considered more efficient. The trait is heritable in beef cattle and it is...
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Robert Musser
NutriQuest
Introduction:  Developing and verification of an in vitro methodology is a critical first step for the evaluation of a rumen bypass lysine source. Due to the variation in technologies of rumen bypass lysine, results of the different methods need to be evaluated. Once you have the in vitro method developed, understanding passage rate of product is critical. Most products are screened only using the Sterns 3 step method (Stern, 1995), which was...
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Dr. Deepak Kumar Dubey
Kemin Industries, Inc
Introduction There are two main objectives of dairy farming. First objective is to get optimum milk production and second is to achieve maximum reproductive potential (i.e. calf a year) from dairy animals. Understanding the partitioning of nutrients in dairy animals during different phases of lactation cycle, and thereby the need of nutrients according to stage of lactation is important to achieve maximum genetic...
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ABSTRACT This experiment was conducted to study the effect of supplemental chromium on performance and blood serum biochemistry of dairy cows. Thus twenty multiparous Holstein cows (parity 2 or 3) were equally divided into two groups. Group one, control, which received no chromium supplementation and group two, treatment group, received 5mg/day chromium methionine from week 5 prior to parturition until 12 weeks thereafter. Milk production and...
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Prof.Dr.Hasan Kutlu
Cukurova University
Cukurova University
Introduction The occurrence of resistance of bacteria strains to related families of in-feed antibiotics, and consequent loss of efficacy of these drugs, as well as legislation restricting nitrogen and methane levels in the environment, have prompted the search for alternatives to conventional growth promoters deemed `natural´ yet efficacious. A...
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Hi, I'm a student of Master of Science ruminant nutrition. What would be the nutritional causes of stillbirth in heifers and dairy cows (parity 1). ...
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Dr. Alejandro Castillo
UC Davis - University of California
UC Davis - University of California
Dr. Alejandro Castillo, Specialist in animal nutrition and farm adviser from the University of California-Davis, Cooperative Extension, USA, was present at the 3rd Congress of Animal Nutrition (CAENA) in Buenos Aires Argentina and gave a lecture about the use of minerals in dairy diets. ...
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