Production Response of Lactating Dairy Cows to Addition of Protected Fats Or Whole Cottonseed to Low and High Roughage Diets PDF Download
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Author: Darwinsyah Lubis
Publisher:
ISBN:
Category : Cottonseed as feed
Languages : en
Pages : 208
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Author: Darwinsyah Lubis
Publisher:
ISBN:
Category : Cottonseed as feed
Languages : en
Pages : 208
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Book Description
Author: Tamene Bayisa
Publisher: GRIN Verlag
ISBN: 3668660549
Category : Medical
Languages : en
Pages : 31
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Book Description
Seminar paper from the year 2017 in the subject Veterinary medicine, Jimma University College of Agriculture and Veterinary Medicine, language: English, abstract: Objective of this review is focus on effect of feeding protected fat and protected protein on milk yield and its composition and how these nutrients are protected. Many researchers in this review investigate that the responses are highly dependent on the type of fat and protein supplement and the stage of lactation. A higher milk response was observed with saturated than with unsaturated fat supplements. Diet with added fat increase milk production compared with a control diet without added fat in cows. Feeding of bypass fat resulted in significant increase in milk yield and Fat Corrected Milk yield particularly in early lactation. The source of Protected fat are (origin (animal, plant, processed or whole oilseeds, calcium salts) and Cereal Grains such as corn, wheat, Barly, oil seeds, sun flower, cotton seed, soybeans and canola). The supplementation of protected protein in the diets of lactating animals increases the milk yield due to proportionate increase in the supply of amino acids to the host postruminally Milk yield in cows fed protected methionine for the whole experimental period was numerically higher than in cows of the other groups. However, the difference was not statistically significant .At the centeral high land of Ethiopia the Treatment of shredded wheat and barley straw with urea, molasses, salt and water prior to feeding is a technology that should be considered . Cows with excessive body tissue mobilisation at this stage may take up to 20 weeks to regain a positive energy balance status. Key words milk yield, composition ,protected fat , protein protected
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309037956
Category : Medical
Languages : en
Pages : 384
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Book Description
This lively book examines recent trends in animal product consumption and diet; reviews industry efforts, policies, and programs aimed at improving the nutritional attributes of animal products; and offers suggestions for further research. In addition, the volume reviews dietary and health recommendations from major health organizations and notes specific target levels for nutrients.
Author: Christopher M. Dschaak
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages :
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Book Description
Oil seeds are natural sources of fat and protein in diets for lactating cows, and are usually fed whole or crushed. A recently released variety of safflower seed, "Nutrasaff," contains high fat (47% crude fat) and low fiber (26% NDF), and has a potential to be effectively used as a fat supplement for lactating dairy cows. Therefore, a lactating dairy cow trial was conducted to assess production performance of dairy cows when fed graded levels of whole Nutrasaff safflower seed (NSS), to determine the optimum level of NSS supplementation in the diet and to identify its impact on milk fat content and milk fatty acid (FA) profiles. Fifteen Holstein dairy cows in midlactation (118 " 39 days in milk) were assigned into 5 groups of 3 cows each according to previous milk yield. The experimental design was a triple 5 by 5 Latin square with each period lasting 21 d (14 d of treatment adaptation and 7 d of data collection). The animals were fed a basal diet containing 56% forage (69% alfalfa hay and 31% corn silage) and 44% concentrate mix. The diet was supplemented with 0 (control), 1, 2, 3, or 4% (DM basis) whole NSS. The NSS was added to the diet by replacing whole linted-cottonseed. Intake of DM ranged from 26.4 to 27.5 kg/d across all treatments, and did not differ due to NSS inclusion. Yield of milk and ECM averaged 33.7 and 31.6 kg/d, respectively, and they were similar in response to NSS inclusion. Milk fat percentage decreased with increasing NSS inclusion, while milk protein and lactose concentrations did not differ among treatment diets. Milk fat concentration was reduced by 11% when NSS was included at 4% of the dietary DM. Feeding NSS at 1, 2, or 3% resulted in a similar milk fat concentration, and these diets also had similar milk fat percentage compared with the control diet. Concentration of milk urea N decreased by NSS inclusion regardless of level of NSS inclusion, implying that NSS supplementation improved dietary N use for milk production. Digestibilities of DM (P = 0.12) tended to increase when NSS was supplemented at 1, 2, or 3%. Cis-9, trans-11 conjugated linoleic acid (CLA) linearly increased as the NSS inclusion increased. Total concentration of n-3 FA increased by feeding NSS at 1 and 2%, whereas total concentration of n-6 FA linearly increased with increasing inclusion level of NSS. This study clearly demonstrates that it is highly possible to use NSS as a means of fat supplementation to lactating dairy cows without negative impact on lactational performance if added less than 3% of dietary DM. The enhanced milk quality with increased cis-9, trans-11 CLA concentration due to the addition of NSS could have positive implications to human health.
Author: Wade H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1461573912
Category : Science
Languages : en
Pages : 386
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thougtit that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 31 (thesis year 1986) a total of 11 ,480 theses titles trom 24 Canadian and 182 United States universities. We are sure that this broader base tor these titles reported will greatly enhance the value ot this important annual reterence work. While Volume 31 reports theses submitted in 1986, on occasion, certain univer sities do re port theses submitted in previousyears but not reported at the time.
Author: Donna Marie Knapp
Publisher:
ISBN:
Category :
Languages : en
Pages : 268
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Author: Thomas J. Earleywine
Publisher:
ISBN:
Category : Cottonseed meal as feed
Languages : en
Pages : 152
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Author: Jorge Gaton Prieto
Publisher:
ISBN:
Category :
Languages : en
Pages : 118
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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309069971
Category : Technology & Engineering
Languages : en
Pages : 406
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Book Description
This widely used reference has been updated and revamped to reflect the changing face of the dairy industry. New features allow users to pinpoint nutrient requirements more accurately for individual animals. The committee also provides guidance on how nutrient analysis of feed ingredients, insights into nutrient utilization by the animal, and formulation of diets to reduce environmental impacts can be applied to productive management decisions. The book includes a user-friendly computer program on a compact disk, accompanied by extensive context-sensitive "Help" options, to simulate the dynamic state of animals. The committee addresses important issues unique to dairy science-the dry or transition cow, udder edema, milk fever, low-fat milk, calf dehydration, and more. The also volume covers dry matter intake, including how to predict feed intake. It addresses the management of lactating dairy cows, utilization of fat in calf and lactation diets, and calf and heifer replacement nutrition. In addition, the many useful tables include updated nutrient composition for commonly used feedstuffs.
Author:
Publisher:
ISBN:
Category : Animal nutrition
Languages : en
Pages : 642
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Book Description
