Effect of Time and Amount of Protein Supplementation on Ewe Forage Intake and Ewe and Lamb Performance in Drylot and Pasture Management Systems PDF Download
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Author: Laura Hayden Ripley
Publisher:
ISBN:
Category : Ewes
Languages : en
Pages : 200
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Author: Laura Hayden Ripley
Publisher:
ISBN:
Category : Ewes
Languages : en
Pages : 200
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 692
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Author:
Publisher:
ISBN:
Category : Dissertation abstracts
Languages : en
Pages : 728
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Author:
Publisher:
ISBN:
Category : Livestock
Languages : en
Pages : 544
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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 1252
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Author:
Publisher:
ISBN:
Category : Animal culture
Languages : en
Pages : 552
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Consists of abstracts of papers presented at the national and sectional meetings of the American Society of Animal Science.
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1732
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Author: Society for Range Management. Meeting
Publisher:
ISBN:
Category : Range management
Languages : en
Pages : 76
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Author: Roy Reid Redden
Publisher:
ISBN:
Category : Protein in animal nutrition
Languages : en
Pages : 174
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Book Description
Lamb survival and productivity from birth to weaning and lamb postweaning management harvest are areas that the US sheep industry needs to become more efficient at to remain profitable. Western white-faced ewes were supplemented HIGH (12.5% rumen by-pass protein, 880 IU/kg of supplemental Vitamin E, 176 ppm chelated Zn, and 72.7 mg/kg chlortetracycline) or LOW (7.56% rumen by-pass protein, with no supplemental Vitamin E, chelated Zn, or chlortetracycline) supplements at 0.227 kg·ewe -1·d -1 during late gestation. Ewes of different age and body condition scores were individually supplemented for 29 d prior to expected lambing. Thereafter, each ewe was mass fed the appropriate supplement until lambing. In Experiment 3, approximately 600 ewes were group fed HIGH or LOW supplements over 2 yr. Differences in antibody transfer from ewe to lamb were detected in supplemented ewes of different age (P 0.10); however, lamb production was not different (P 0.10) for all 3 experiments. To investigate lamb post-weaning management, terminally sired lambs (n = 72) were randomly assigned to 1 of 4 backgrounding treatments. Lamb backgrounding treatments were: ad libitum access to 80% alfalfa: 20% barley pellets (PELLET); cool season grass paddock grazing (GRASS); remain with ewe flock on fall dormant range (LATE WEAN); wean for 96 h and returned to ewe flock on dormant range (RANGE). Background treatments were applied for 29 d. Thereafter, lambs were finished on a corn based diet. Lamb BW and ultrasound measurements were taken at weaning, after background treatment, after feedlot step-up and at the conclusion of the finishing period. Pen intake was measured. Lambs backgrounded on PELLET were heavier (P
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1090
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