User profiles for M. D. MacNeil

MacNeil MD

Delta G
Verified email at ksu.edu
Cited by 11098

Relationship between follicle size at insemination and pregnancy success

…, JA Green, TE Parks, MD MacNeil… - Proceedings of the …, 2005 - National Acad Sciences
Administration of gonadotropin-releasing hormone (GnRH) induces a surge of luteinizing
hormone and ovulation in a variety of species, including human beings. Our objectives were to …

Towards a genomics approach to tick (Acari: Ixodidae) control in cattle: A review

…, CB Banga, V Muchenje, MD MacNeil… - Ticks and tick-borne …, 2014 - Elsevier
Ticks and tick-borne disease (TBD) are major challenges to cattle production in the tropics
and subtropics. Economic losses associated with ticks amount to billions of dollars annually. …

Relationship between size of the ovulatory follicle and pregnancy success in beef heifers

…, MF Smith, AJ Roberts, MD MacNeil… - Journal of animal …, 2007 - academic.oup.com
Previous research indicated that the size of the ovulatory follicle at the time of insemination
significantly influenced pregnancy rates and embryonic/fetal mortality after fixed-timed AI in …

[HTML][HTML] Next generation sequencing to define prokaryotic and fungal diversity in the bovine rumen

…, J Purushe, M Torralba, RC Waterman, MD MacNeil… - PloS one, 2012 - journals.plos.org
A combination of Sanger and 454 sequences of small subunit rRNA loci were used to interrogate
microbial diversity in the bovine rumen of 12 cows consuming a forage diet. Observed …

Life-cycle, total-industry genetic improvement of feed efficiency in beef cattle: Blueprint for the Beef Improvement Federation

MK Nielsen, MD MacNeil, JCM Dekkers… - The Professional Animal …, 2013 - Elsevier
On a life-cycle basis, beef animals are able to consume large amounts of low-cost, low-quality
forages relative to higher-cost concentrates compared with pigs and chickens. However, …

Calf removal improves conception rates to the Ovsynch and CO-Synch protocols

…, JC Whittier, DM Hallford, MD MacNeil - Journal of Animal …, 2001 - academic.oup.com
Beef cows (n = 473) from two locations were stratified by breed, postpartum interval, age, and
AI sire and were randomly allotted to one of four treatments for synchronization of ovulation…

Leptin as a predictor of carcass composition in beef cattle

TW Geary, EL McFadin, MD MacNeil… - Journal of animal …, 2003 - academic.oup.com
Our objective was to determine if serum concentrations of leptin could be used to predict
carcass composition and merit in feedlot finished cattle. Two different groups of crossbred Bos …

Preovulatory estradiol and the establishment and maintenance of pregnancy in suckled beef cows

…, KG Pohler, GA Perry, MD MacNeil… - Journal of animal …, 2013 - academic.oup.com
In postpartum beef cows, GnRH-induced ovulation of small dominant follicles decreased
pregnancy rates and increased late embryonic/fetal mortality. In Exp. 1, single ovulation …

Reproductive performance of heifers offered ad libitum or restricted access to feed for a one hundred forty-day period after weaning

…, EE Grings, RC Waterman, MD MacNeil - Journal of animal …, 2009 - academic.oup.com
Reproductive performance was evaluated in composite heifers born over a 3-yr period that
were randomly assigned to control (fed to appetite; n = 205) or restricted (fed at 80% of that …

TRIENNIAL REPRODUCTION SYMPOSIUM: Influence of follicular characteristics at ovulation on early embryonic survival,

TW Geary, MF Smith, MD MacNeil… - Journal of animal …, 2013 - academic.oup.com
Reproductive failure in livestock can result from failure to fertilize the oocyte or embryonic
loss during gestation. Although fertilization failure occurs, embryonic mortality represents a …