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Showing 1 to 20 of 89 for “"yearling"”.
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Utilizing grass in fattening yearling heifers for market
LD2668 .T4 1940 W52
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Utilizing grass in fattening yearling heifers for market
LD2668 .T4 1940 W52
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Scrotal circumference and testicular consistency of yearling beef bulls
… consistency (tone) of performance tested, yearling beef bulls of various breeds; (b) correlate these values with performance data; (c) attempt, by means of a buyer survey, to evaluate the fertility and overall desirability of the beef bulls sold through the Virginia BCIA Bull Test Stations; …
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Survival, family breakups, and dispersal of yearling and subadult black bears in western Virginia
… of family breakup, and dispersal patterns for yearling and subadult bears in hunted black bear (Ursus americanus) populations in North America are scarce. We estimated survival rates of yearling and subadult black bears from a hunted population in western Virginia during 1999 - 2002. We …
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A Study of the Effects of Antibiotics Upon the Digestion of Feed Nutrients by Yearling Steers
Made available in DSpace on 2014-12-05T17:47:16Z (GMT). No. of bitstreams: 1 0005973.pdf: 4998490 bytes, checksum: bf42c8a6e9344f5f8d7091370781d0dd (MD5) Previous issue date: 1953
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Effect of Zilpaterol hydrochloride and steroid implantation on yearling steer feedlot performance, carcass characteristics, and skeletal muscle gene expression
Zilpaterol hydrochloride (ZH) is a growth promotant that is approved for use in finishing cattle to improve growth performance and increase lean tissue accumulation. Little is known about the combined effects of ZH with anabolic steroid hormone implants. There is also little published data on the …
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Estimates of genetic and phenotypic parameters in Columbia and Columbia X Southdale sheep
… and Columbia X Southdale sheep at weaning and yearling ages as well as the phenotypic and genetic correlations among these traits. Information was acquired concerning the effects of year of birth, age of dam, type of birth and rearing, sex, breed, and station on the weanling and yearling traits …
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Comparison of expected and actual progeny growth differences in crossbred calves
… types of sires were used: 1) Sires with high yearling weight and high maternal EPD's; 2) Sires with high yearling weight and low maternal EPDâ s; 3) Sires with low yearling weight and high maternal EPD's; and 4) Sires with low yearling weight and low maternal EPD's. The resulting progeny were …
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An Analysis of Body Condition Scores, Ultrasonographic Fat Thickness, and the Interaction Between the Two on Conception Rates in Yearling Cross-Bred Heifers
One hundred Branvieh cross heifers ranging from 13-17 months of age were used in an analysis of conception rates through three estrous cycles. Cattle were estrus synchronized and artificially inseminated through two estrous cycles then pasture exposed to reproductively sound Branvieh bulls. Body …
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Proximal Causes of Dispersal in Yellow-Bellied Marmots.
The relative importance of adult-yearling interaction, and individual behavioral phenotypes, on dispersal of yearling yellow-bellied marmots was investigated. Two marmot colonies near Gothic, Colorado were studied; one was treated as an experimental colony from which all adults were removed, the …
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The influence of month of birth on growth and development of thoroughbred foals and yearlings
… patterns of horses from birth to July of the yearling year. Measurements included heart girth, wither and hip height, body length, chest width, knee to ground length, cannon bone circumference and body weight, as estimated by heart girth. Quadratic regression equations, adjusted for the …
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A population study of a confined deer herd
… home range size was determined for 36 fawns, 8 yearlings, and 2 adults. The 24 male fawn home ranges averaged 125 acres (34-371 acres), while the 12 female fawn home ranges averaged 133 acres (34-273 acres). The home range of the 7 yearling females averaged 172 acres (96-357 acres), and the 1 …
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Relationships among heifer traits, early-life productive traits, and lifetime productivity within Angus and Simmental female cattle
… birth date, weaning weight ratio and weaning-yearling relative growth rate (RGR). The only calfhood trait that consistently affected fertility in the second breeding season was birth weight of the cow. Fertility of first parity Simmentals was also associated with birth-yearling RGR. First …
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The influence of osteochondrosis (OC), in yearling Standardbred horses on subsequent two and three-year old racing performance and the influence of sire on rates of OC in Illinois Standardbred horses
… the horse earns. It is common practice to have yearling horses scanned using fluoroscopy for OC before training starts. Most of the horses that have some form of OC “generally have surgery to remove the abnormality before it can cause any severe damage”, according to the veterinarian who …
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Effects of drifting prey abundance on food consumption and growth of brook trout in Shenandoah National Park
… at 6-hour intervals over 24 hours. Adult and yearling trout did not consume more food at one specific time throughout the summer, but juvenile trout (< 100 mm) fed significantly less at night in both July and September. All sizes of fish selected for prey longer than 4mm. The best predictor of …
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Ram performance testing programs in Virginia
Prices paid for yearling rams were influenced (P < .001) by TSC, BT, YW and FW. The importance of YW increased with time, while the role of TSC declined in later time periods, suggesting that buyers were willing to pay more for superior performance and less for subjective conformation and type in …
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A proof of concept to differentiate among differences in flavor of American lamb using volatile flavor compound analysis
… groups [ young lambs (0 permanent incisors), yearlings (2 permanent incisors) and mature sheep or mutton (>2 permanent incisors)] to establish a proof of concept for differentiating the inherent differences in flavor that exist in meat from ovine animals of various age classes using volatile …
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Effects of Urea Supplementation in Finishing Diets Containing 25% Modified Distillers Grains on Growth and Carcass Characteristics in Yearling Steers, and in Situ Protein Degradation of Commonly Used Feedstuffs in High Concentrate Rations
… Two hundred fifty-one, predominately Angus yearling steers were blocked by source and randomly allotted to 24 pens. Steers in block 1 (n = 71; BW = 388 ± 41 kg) were housed in nine partially roofed concrete-surfaced pens. Block 2 cattle (n = 180; BW = 375 ± 24 kg) were housed in fifteen …
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Balancing white-tailed deer ecology with Michigan National Guard training at Fort Custer Training Center in Augusta, MI
… (adult females = 0.756, adult males = 0.493, yearling females = 0.443, yearling males = 0.379, fawns = 0.289). The short hunter harvest period is an effective and integral component of the ecosystem restoration and rehabilitation efforts of FCTC.
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