Works (21)

Updated: July 5th, 2023 15:57

2014 journal article

Improved early performance of turkey poults given an Aloe ferox leaf extract with bentonite

BRITISH POULTRY SCIENCE, 55(5), 675–683.

By: F. Edens n, D. Ort n & B. Ludescher

MeSH headings : Aloe / chemistry; Animal Feed / analysis; Animal Nutritional Physiological Phenomena / drug effects; Animals; Bentonite / metabolism; Bentonite / pharmacology; Diet / veterinary; Dietary Supplements / analysis; Male; Meat / analysis; Plant Extracts / metabolism; Plant Extracts / pharmacology; Plant Leaves / chemistry; Random Allocation; Turkeys / growth & development; Turkeys / metabolism; Weight Gain / drug effects
TL;DR: AT-402 at 5 g/kg was most efficacious as demonstrated by improved body weights and feed conversions, and delayed access by poults until 10 d of age improved 4-week body weights, suggesting that the AT-402 might improve performance as soon as it is given. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Broiler embryo bone development is influenced by incubator temperature, oxygen concentration and eggshell conductance at the plateau stage in oxygen consumption

BRITISH POULTRY SCIENCE, 49(6), 666–676.

By: E. Oviedo-Rondon n, J. Small n, M. Wineland n, V. Christensen n, P. Mozdziak n, M. Koci n, S. Funderburk n, D. Ort n, K. Mann n

Contributors: E. Oviedo-Rondón n, J. Small n, M. Wineland n, V. Christensen n, P. Mozdziak n, M. Koci n, S. Funderburk n, D. Ort n, K. Mann n

MeSH headings : Animals; Body Weight; Bone Development / drug effects; Chick Embryo; Chickens / anatomy & histology; Chickens / growth & development; Chickens / metabolism; Egg Shell / physiology; Embryonic Development / drug effects; Femur / anatomy & histology; Incubators; Oxygen / metabolism; Oxygen / pharmacology; Temperature; Tibia / anatomy & histology
TL;DR: The results indicated that elevated TEM during incubation increased RA between the two legs, mainly in the Low G strain, and suggest that late incubation conditions affect long bone development in broilers. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Effects of incubator temperature and oxygen concentration during the plateau stage of oxygen consumption on turkey embryo long bone development

POULTRY SCIENCE, 87(8), 1484–1492.

By: E. Oviedo-Rondon n, J. Small n, M. Wineland n, V. Christensen n, J. Grimes n, S. Funderburk n, D. Ort n, K. Mann n

author keywords: turkey; incubation; leg health; bone development
MeSH headings : Animal Husbandry / methods; Animals; Bone Development / physiology; Chondrocytes / cytology; Chondrocytes / metabolism; Embryonic Development / physiology; Femur / cytology; Femur / embryology; Immunohistochemistry / veterinary; Oxygen / administration & dosage; Oxygen Consumption / physiology; Random Allocation; Temperature; Tibia / cytology; Tibia / embryology; Turkeys / embryology
TL;DR: It is concluded that incubation conditions affect long bone development in turkeys via TEM and O(2) in resting and hypertrophic zones. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Genetic control of embryonic cardiac growth and functional maturation in Turkeys

POULTRY SCIENCE, 87(5), 858–877.

By: V. Christensen n, D. Ort n, K. Nestor*, G. Havenstein n & S. Velleman*

author keywords: turkey; heart weight; heart rate; myocardial energy metabolism; embryo survival
MeSH headings : Animals; Blood Glucose / analysis; Body Weight / genetics; Creatine Kinase / blood; Creatine Kinase / metabolism; Female; Glycogen / blood; Glycogen / metabolism; Heart / embryology; Heart / physiology; Heart Rate / genetics; L-Lactate Dehydrogenase / blood; L-Lactate Dehydrogenase / metabolism; Lactic Acid / blood; Lactic Acid / metabolism; Liver / embryology; Liver / physiology; Male; Myocardium / chemistry; Organ Size / genetics; Oviposition / genetics; Turkeys / embryology; Turkeys / genetics
TL;DR: Turkey experimental lines E and F were mated reciprocally with the randombred control lines from which they were derived, and the pureline and reciprocal cross poults were compared for their BW, heart weight, heart rates, myocardial glycogen and lactate concentrations, and plasma creatine kinase (CK) and lactATE dehydrogenase (LDH) activities. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Dam line and sire line effects on turkey embryo survival and thyroid hormone concentrations at the plateau stage in oxygen consumption

POULTRY SCIENCE, 86(9), 1861–1872.

By: V. Christensen n, G. Havenstein n, D. Ort n, J. McMurtry* & K. Nestor*

author keywords: turkey; embryo survival; thyroid; thyroxine; triiodothyronine
MeSH headings : Animals; Breeding; Female; Male; Oxygen Consumption / genetics; Survival Rate; Thyroxine / blood; Triiodothyronine / blood; Turkeys / embryology; Turkeys / genetics
TL;DR: Differences in inheritance of embryo thyroid function appeared to be consistently additive in nature, although significant nonadditive or heterotic effects were present for the ratio at external pipping. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Genetic control of neonatal growth and intestinal maturation in turkeys

POULTRY SCIENCE, 86(3), 476–487.

By: V. Christensen n, D. Ort n, K. Nestor*, S. Velleman* & G. Havenstein n

author keywords: turkey; body weight; feed conversion; carbohydrate metabolism; inheritance
MeSH headings : Alkaline Phosphatase / metabolism; Animals; Animals, Newborn / genetics; Animals, Newborn / growth & development; Appetite / genetics; Appetite / physiology; Body Weight / genetics; Body Weight / physiology; Digestion / genetics; Digestion / physiology; Feeding Behavior / physiology; Jejunum / enzymology; Jejunum / growth & development; Organ Size; Turkeys / genetics; Turkeys / growth & development; alpha-Glucosidases / metabolism
TL;DR: The genetic changes from long-term selection in the E and F lines have had concomitant effects on jejunum growth and function that parallel the changes in growth rate and may be due to increases in the absorption of nutrients rather than to differences in glucose digestion. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Dam and sire effects on sperm penetration of the perivitelline layer of eggs produced by two strains of commercial turkeys

JOURNAL OF APPLIED POULTRY RESEARCH, 15(1), 82–88.

By: V. Christensen n, B. Fairchild* & D. Ort n

author keywords: turkey; perivitelline layer; fertility; embryo survival
TL;DR: It is concluded that selection of dam and sires for commercial breeders alters IPVL sperm penetration ability of hens as well as egg-binding ability of sires. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Effect of chelated calcium proteinate fed in the maternal diet of turkey breeders on embryo cardiac physiology and poult quality

International Journal of Poultry Science, 5(4), 337.

By: V. Christensen*, J. Grimes*, R. Rowland & D. Ort*

TL;DR: It is concluded that CCP improves egg shell conductance, and the subsequent eggshell conductance constant (k) of eggs from turkey breeder hens, which improved embryo cardiac health and poult BW after hatching. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Incubator temperature and oxygen concentration at the plateau stage in oxygen consumption affects intestinal maturation of broiler chicks

International Journal of Poultry Science, 5(3), 229.

By: M. Wineland*, V. Christensen*, I. Yildrum, B. Fairchild*, K. Mann* & D. Ort*

TL;DR: It is concluded that incubator temperatures greater than 37o C, and oxygen concentrations less than 21% are detrimental to intestinal maturation in broiler chicks. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Dam and sire effects on sperm penetration of the perivitelline layer and resulting fecundity of different lines of turkeys

JOURNAL OF APPLIED POULTRY RESEARCH, 14(3), 483–491.

By: V. Christensen n, B. Fairchild*, D. Ort n & K. Nestor

author keywords: turkey; sperm penetration; perivitelline layer; fertility
TL;DR: It is concluded that genetic selection for economically important traits may affect sperm hydrolysis of the perivitelline layer and the subsequent fertility, and embryo livability in turkeys. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Eggshell conductance and incubator ventilation as factors in embryo survival and poult quality

International Journal of Poultry Science, 4(11), 818.

By: V. Christensen*, M. Wineland*, D. Ort* & K. Mann*

TL;DR: In the developmental process of the embryonic turkey, G may determine energy balance and maturity of each hatchling and may affect its survival and growth rates following hatching. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

High levels of dietary carbohydrate increase glucose transport in poult intestine

COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY, 141(3), 257–263.

By: S. Suvarna n, V. Christensen n, D. Ort n & W. Croom n

author keywords: glucose transport; jejunum; poult; dietary carbohydrate; intestine; turkey; birds
MeSH headings : Animals; Biological Transport; Dietary Carbohydrates / administration & dosage; Dietary Carbohydrates / pharmacology; Glucose / metabolism; Jejunum / metabolism; Thyroxine / blood; Triiodothyronine / blood; Turkeys / metabolism
TL;DR: It is concluded that turkeys belong to the class of birds in which the poults respond to more carbohydrate in the diet by increasing plasma T(3) concentrations, upregulating the glucose transport system, and increasing enzymatic activity as with maltase. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Incubator temperature and oxygen concentrations during the plateau stage in oxygen uptake affect turkey embryo plasma T4 and T3 concentrations

International Journal of Poultry Science, 4(5), 268.

By: V. Christensen n, M. Wineland*, I. Yildirum, B. Fairchild*, D. Ort* & K. Mann n

TL;DR: Temperature and oxygen are independent stimuli of the avian embryonic thyroid gland during the plateau stage, and that incubator temperature and oxygen concentrations can modulate development of turke y embryos by changing plasma T and T concentrations. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

The relationship between sperm hydrolysis of the perivitelline layer and embryonic livability

JOURNAL OF APPLIED POULTRY RESEARCH, 14(1), 60–68.

By: V. Christensen n, B. Fairchild n & D. Ort n

author keywords: sperm hydrolysis; embryo viability; fertility; turkey
TL;DR: It is suggested that a reduction in the penetration of sperm through the perivitelline layer results in improved embryo livability at wk 4 of development, but the authors saw no association with wk 1 embryolivability. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Incubator temperature and oxygen concentration at the plateau stage affect cardiac health of turkey embryos

Journal of Animal and Veterinary Advances, 3(2), 52.

By: V. Christensen, M. Wineland, I. Yildirum, D. Ort & K. Mann

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Incubator temperature and oxygen concentration at the plateau stage affects intestinal maturation of turkey embryos

International Journal of Poultry Science, 3(6), 378.

By: V. Christensen*, M. Wineland*, I. Yildirum, D. Ort* & K. Mann*

TL;DR: In incubator temperature greater than 37 C and oxygen concentrations less than 19% during the plateau stage delay intestinal maturation, and temperature and oxygen displayed independent effects on growth and function and did not interact. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Ontogeny of intestinal glucose transport in heavy and light body weight turkey poults

International Journal of Poultry Science, 3(12), 783.

By: S. Suvarna*, V. Christensen*, D. Ort* & W. Croom*

TL;DR: It was concluded that the increased body weight of HBW poults compared to LBW may be due to increased absorption of all nutrients because of a greater intestinal mass relative to body weight rather than to differences in glucose digestion and uptake rates. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Turkey sire effects on embryonic survival and physiology

International Journal of Poultry Science, 3(1), 80.

By: V. Christensen*, D. Ort*, M. Wineland* & J. Grimes*

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Physiological factors associated with weak neonatal poults (Meleagris gallopavo)

International Journal of Poultry Science, 2(1), 7.

By: V. Christensen n, D. Ort* & J. Grimes*

TL;DR: The data suggest that management to aid weak neonatal turkey poult deaths may need to focus on conditions fostering heart growth and function. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Relationship of the eggshell conductance constant to intestinal physiology

International Journal of Poultry Science, 2(3), 207.

TL;DR: Differences in EW, G and IP observed at hatching were shown to affect the growth of poults for the first week following hatching, suggesting that large eggs with low permeability may be at risk for weak poulting when they are exposed to shorter IP. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Relationship of the eggshell conductance constant to neonatal cardiac physiology

International Journal of Poultry Science, 2(3), 220.

By: V. Christensen*, D. Ort* & J. Grimes*

TL;DR: Changes in functional qualities of eggs, or the eggshell conductance constant (k), may affect cardiac weight and physiology and predispose poults to a weakened condition and improved knowledge of this relationship may allow selection of k to optimize hatchling cardiac health. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

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