Breed, Lactation and Calving Month Differences
Lactation Characteristic of Etawah Crossed Breed Goats Under Intensive Management
... yield, lactation period and reproductive ...yield, lactation period, total milk and colostrum production in first lactation were 960±340 mL/day, 157±41 days, 114,720±68,900 mL and 415±240 ...initial ...
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Effects of lactation stage, breed, and lineage on selenium and iodine contents in goat milk
... e.g. breed, lineage, system of feeding, milking, differences between individual animals, health status and age, seasonal changes, order and stage of lactation, life conditions and technology of ...
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Effects of Abortion and Stage of Lactation on Chemical Composition and Mineral Content of Goat Milk from Mixed-breed Goat on Rangeland
... entire lactation (five months; rainy season under range conditions), and the effect of stage of lactation on various raw milk ...fourth month of ...throughout lactation with no ...
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Impact of successive lactation, year, season of calving and test milking on cows’ milk performance of the Polish Holstein-Friesian Black-and-White breed
... cows calving first time in 2003 and reared in the Pomorze and Kujawy ...of calving, a season of test milking, lactation on milk performance traits was analysed using a multiple variance ...of ...
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The effect of breed and stage of lactation on the microbiological status of raw milk
... be differences in immune responses between Jersey and Holstein Friesian ...average lactation number of Jersey cows was higher than the average lactation number observed in Holstein Friesian cows, ...
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Genetic parameters of linear conformation type traits and their relationship with milk yield throughout lactation in mixed-breed dairy goats
... after which values remained around −0.32 until 350 DIM. Standard errors were between 0.06 and 0.09, with the lowest found during mid lactation. When compared with the genetic correlations estimated with the cumu- ...
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Effect of Calving Interval on Milk Yield and Quality Lactation in Dairy Cows
... Keywords: calving interval, dairy cows, milk yield, Romanian Black Spotted breed ...The calving interval represents the time length between two successive calving, and influences the ...
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Multi-breed herd approach to detect breed differences in composition and fatty acid profile of cow milk
... detect breed differences in composition and fatty acid profile of cow ...of breed on milk fatty acid (FA) composition of dairy (Brown Swiss, Holstein-Friesian, and Jersey) and dual-purpose cows ...
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FIRST CALVING AGE EFFECT ON MILK PRODUCTION OF FRIESIAN – ROMANIAN BLACK SPOTTED COW BREED IN TRANSYLVANIAN FARMS
... first calving age effect on the phenotypic characteristics of the milk production in the first lactation and its economical implications in the improvement process of the Friesian – Black Spotted cow ...
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Effect of Genetic Merit for Milk Production, Dairy Cow Breed and Pre-Calving Feeding on Reproductive Physiology and Performance.
... and breed averages. Breed averages were +588 (± 349) kg, +539 (± 177) kg and +540 (± 219) kg, for HGM, MB and NM breeds ...MGM breed, but at least three generations of HF sires were ...second ...
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Effect of Age at First Calving on First Lactation Milk Yield in Holstein Cows from Costa Rican Specialized Dairy Herds
... Holstein breed animals are limited in their milk production level by both genetic and environmental ...first lactation is influ- enced by the growth rate during the rearing stage, with a significant and ...
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Survival Analysis of the Effect of Season at Calving, Lactation Number and Breeding on Days Open in Dairy Cattle at Khon Khaen Province, Thailand
... the calving date (CDA) and date at last follow up ...at calving (summer, rainy and winter) which was determined from CDA, lactation number (Par1 and Par2) and percentage of Holstein Friesian ...
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Differences between Jersey and Holstein cows in milking-induced teat prolongation during lactation
... of breed, teat position, lactation number, lactation stage and their interactions were ...during lactation in 59 Holstein cows and 45 Jersey ...during lactation showed more variability ...
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Differences in the composition of total and whey proteins in goat and ewe milk and their changes throughout the lactation period
... Friesian breed (about 50 heads) in their second lactation period from eastern Bohemia were collected monthly throughout the whole lactation from June to ...and lactation lasted for 7 ...
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Preterm Milk Oligosaccharides During the First Month of Lactation
... For the first time, our results report new data on oligosaccharide concen- trations in the 4 milk groups. The higher concentrations of preterm HMOs, compared with term HMOs, highlight the relevant role of breast- feeding ...
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Calving difficulty as related to body weights and measurements of cows and calves in a herd of Gascon breed
... Pearson’s correlation coefficients were calcu- lated using the CORR procedure. To account for differences in frequencies, the course of parturi- tion class values were transformed to the standard normal ...
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Breed effects and genetic parameter estimates for calving difficulty and birth weight in a multibreed population
... for Calving Difficulty An underlying issue relative to the development of across-breed EBV for CD direct and maternal is cor- rectly accommodating the differences in models used by various beef ...
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Postpartum Changes in Hormones and Metabolites During Early Lactation in Summer and Winter Calving Holstein Cows.
... summer calving cows had already been exposed to several months of hot summer weather which would be considered chronic heat ...with differences in cortisol secretion patterns between acute and chronic heat ...
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Use of individual cow milk recording data at the start of lactation to predict the calving to conception interval
... the differences in the probability of concep- tion were between 3 and 5% for a difference in the co- variates of between −2 and 2 standard deviations from the mean at each ...the calving to conception ...
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The Effect of Dam Breed on Calf Mortality in the First Month of Life in Slovenia
... at calving, age of the dam at calving, the herd size, while herd size and calving season were the most infl uential in the following neonatal period from day 2 to ...
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