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[PDF] Top 20 USE OF A PREMIX FOR DAIRY COWS DURING THE FIRST PERIOD OF LACTATION

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USE OF A PREMIX FOR DAIRY COWS DURING THE FIRST PERIOD OF LACTATION

USE OF A PREMIX FOR DAIRY COWS DURING THE FIRST PERIOD OF LACTATION

... for cows with high dairy performance it is not enough to balance a diet only under the contents of crude and digestible protein, but also on such important amino acid as methionine, macro- and micro ... See full document

8

The effect of dietary nitrogen on nitrogen partitioning and milk production in grazing dairy cows : A thesis presented in partial fulfilment of the requirements for the Master of Animal Science at Massey University Palmerston North, New Zealand

The effect of dietary nitrogen on nitrogen partitioning and milk production in grazing dairy cows : A thesis presented in partial fulfilment of the requirements for the Master of Animal Science at Massey University Palmerston North, New Zealand

... The first experiment was undertaken over 25 days (8 th October to 1 st November 2009), where fifteen multiparous, rumen fistulated, early lactation Holstein-Friesian cows (505 ± ...All cows ... See full document

19

Associations between udder health and reproductive performance in United Kingdom dairy cows

Associations between udder health and reproductive performance in United Kingdom dairy cows

... 2-d period during lactation where a cow was at risk of becoming ...pregnant during a risk period and a cow becoming pregnant as a result of a given ...(i.e., use of the model to ... See full document

15

Cortisol levels in skimmed milk during the first 22 weeks of lactation and response to short-term metabolic stress and lameness in dairy cows

Cortisol levels in skimmed milk during the first 22 weeks of lactation and response to short-term metabolic stress and lameness in dairy cows

... the cows received a restrictive diet and no additional concentrates (70 % of mean ad libitum energy intake; feed restriction, ...the cows were fed half of their daily allotment of the restrictive diet at ... See full document

7

Effect of Age at First Calving on First  Lactation Milk Yield in Holstein Cows  from Costa Rican Specialized Dairy Herds

Effect of Age at First Calving on First Lactation Milk Yield in Holstein Cows from Costa Rican Specialized Dairy Herds

... Holstein cows, in different specialized Costa Rican dairy herds was ...m. During a study performed by Cedeño and Vargas [12]; in the period from 1998 to 2005, the value of AFC remained between ... See full document

8

Association between somatic cell count early in the first
lactation and the longevity of Irish dairy cows

Association between somatic cell count early in the first lactation and the longevity of Irish dairy cows

... of cows is an important compo- nent of mastitis costs, and increased somatic cell count (SCC) early in the first lactation has been reported to increase culling risk throughout the first ... See full document

12

Association of bovine major histocompatibility complex (BoLA) gene polymorphism with colostrum and milk microbiota of dairy cows during the first week of lactation

Association of bovine major histocompatibility complex (BoLA) gene polymorphism with colostrum and milk microbiota of dairy cows during the first week of lactation

... the first report on the composition of fungal microbiota of intramammary ...in dairy environment and there- fore cross-contamination of samples with environmental fungi through air-born spores and/or ... See full document

18

Estimating the Lactation Curve on a.m./p.m. Milkings in Dairy Cows

Estimating the Lactation Curve on a.m./p.m. Milkings in Dairy Cows

... Spotted cows reared at the dairy farm of the Research and Development Station for Bovine Raising in ...Arad. Cows calved in January, February and March 2011 and concluded their lactations by the end ... See full document

6

Association between somatic cell count during the first lactation and the cumulative milk yield of cows in Irish dairy herds

Association between somatic cell count during the first lactation and the cumulative milk yield of cows in Irish dairy herds

... the first lactation in the current study varied between herds (Figure 4), suggesting that differences in the dy- namics of IMI and the management of heifers between herds has an important effect on patterns ... See full document

10

Effect of lactation on energy metabolism in dairy cows from different categories

Effect of lactation on energy metabolism in dairy cows from different categories

... breeding dairy cows and technology of storage and use are aimed at continuously increasing milk ...yielding dairy cows signifi cant changes in the balance of power resulting in around ... See full document

8

Adipose tissue lipolysis and remodeling during the transition period of dairy cows

Adipose tissue lipolysis and remodeling during the transition period of dairy cows

... [4]. During the transition period, hormonal changes associated with parturition and the initiation of lactogenesis, including the reduction in progesterone and the surge of prolactin and growth hormone ... See full document

12

Relationship between season, lactation number and incidence of clinical mastitis in different stages of lactation in a Holstein dairy farm

Relationship between season, lactation number and incidence of clinical mastitis in different stages of lactation in a Holstein dairy farm

... The cows under study were non-seasonal with year-round calving. The cows were machine-milked three times ...the cows was 56 kg per day. The mean size of the herd was 1542 cows during ... See full document

7

Supplementation of palm kernel expeller to grazing dairy farms in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Science at Massey University, Palmerston North, New Zealand

Supplementation of palm kernel expeller to grazing dairy farms in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Science at Massey University, Palmerston North, New Zealand

... in cows offered restricted pasture allowance increased total daily metabolizable energy intake and the amount of milksolids produced ...of cows fed the restricted pasture allowance plus PKE, even with the ... See full document

235

The effect of dietary nitrogen on nitrogen partitioning and milk production in grazing dairy cows : A thesis presented in partial fulfilment of the requirements for the Master of Animal Science at Massey University Palmerston North, New Zealand

The effect of dietary nitrogen on nitrogen partitioning and milk production in grazing dairy cows : A thesis presented in partial fulfilment of the requirements for the Master of Animal Science at Massey University Palmerston North, New Zealand

... from dairy cows grazing pasture could be achieved by using moderate amounts (0-200 kg/ha/year) of N fertiliser on pasture (Kebreab et ...pasture-based dairy farms and therefore, is not ... See full document

120

Non structural carbohydrates in the nutrition of high yielding dairy cows during a transition period

Non structural carbohydrates in the nutrition of high yielding dairy cows during a transition period

... high-yielding dairy cows were used (33 Holstein and 3 Czech ...standard lactation was in the partic- ular groups as follows: “K” – 10 131 kg, “O” – 9 829 and “C” – 9 942 kg of ...of lactation ... See full document

11

Modelling lactation in pasture based dairy cows varying in production potential

Modelling lactation in pasture based dairy cows varying in production potential

... Preliminary Abstract The main objective of the thesis was to quantify the genetic and phenotypic determinants of variation in milk yield and composition, model the lactation pattern of p[r] ... See full document

263

Effect of Calving Interval on Milk Yield and Quality Lactation in Dairy Cows

Effect of Calving Interval on Milk Yield and Quality Lactation in Dairy Cows

... in cows group with calving intervals for up to 350 days ...from cows that had calving interval between 351 and 450 days ...in cows that had calving intervals of over 450 days (- ...in cows ... See full document

5

The isolation and molecular characterization of Mycobacterium avium subsp. paratuberculosis in Shandong province, China

The isolation and molecular characterization of Mycobacterium avium subsp. paratuberculosis in Shandong province, China

... Our studies showed a seroprevalence of 11.7 % in indi- vidual level in Shandong province of China, which is a little higher than most of provinces of China and a lit- tle lower than Europe, Indian and Canada. And the ... See full document

9

Association of residual feed intake with abundance of ruminal bacteria and biopolymer hydrolyzing enzyme activities during the peripartal period and early lactation in Holstein dairy cows

Association of residual feed intake with abundance of ruminal bacteria and biopolymer hydrolyzing enzyme activities during the peripartal period and early lactation in Holstein dairy cows

... most-efficient cows around parturition seems to support the notion that these cows were able to shift the ruminal fermentation pathways in a way that enhanced the production of glucogenic precur- sors and ... See full document

10

Effect of cow energy status on the hypercholesterolaemic fatty acid proportion in raw milk 

Effect of cow energy status on the hypercholesterolaemic fatty acid proportion in raw milk 

... Similar results like for UFA were found for MUFA and PUFA content. Significantly (P < 0.01–0.05) higher values for these FA groups were determined in the NEB period (+1.81, resp. +0.33%). Thus, an opposite ... See full document

7

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