Friesian heifers
Periparturient and early lactation performance and metabolism of replacement Holstein-Friesian heifers out-wintered on fodder beet or perennial ryegrass compared with winter housing
... Holstein-Friesian-type heifers within high-output, total mixed ration (TMR), housed herds has not been investigated, nor has the potential of grazing for replacement heifers when used in conjunction ...
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EFFECT OF HOLSTEIN-FRIESIAN HEIFERS’ GROWTH AND DEVELOPMENT ON MILK PRODUCTION IN THE FIRST LACTATION
... replacement heifers. According to Pirlo et al. (2000) the Holstein- Friesian heifers should calve at 24 month of age and start milk production in first ...Replacement heifers must have an ...
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Compudose, its effects on Hereford X Friesian heifers : a thesis presented in partial fulfilment of the requirement for the degree of Master of Applied Science (in Animal Science) at Massey University
... TABLE 3.2. Least-square means ± standard errors showing the effect of no Compudose implants (Control), implants at 90 days of age (Compudose 90) and implants at 2 1 0 days of age (Compudose 2 1 0) on date of birth, ...
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Compudose, its effects on Hereford X Friesian heifers : a thesis presented in partial fulfilment of the requirement for the degree of Master of Applied Science (in Animal Science) at Massey University
... Generally oestrogenic compounds do not affect physical and chemical parameters of meat quality (MacColl, 1994 ). Eating quality of meat with regard to flavour, texture, juiciness, cooking losses and palatability have not ...
110
A study of physiological differences between low and high breeding index friesian heifers : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Science at Massey University
... Effects of genetic selection for milk production on ovarian cyclicity and estrous behaviour in Holstein cows.. Milk production from pasture.[r] ...
200
Association of insulin like growth factor I gene polymorphisms (IGF1/TasI and IGF1/SnaBI) with the growth and subsequent milk yield of Polish Holstein Friesian heifers
... one is (CA) n dinucleotide repeat polymorphism located in the P1 promoter (Kirkpatrick et al., 1992) within which the A/C transversion was identified at position –977 bp upstream from the ATG codon in exon 1 (GenBank ...
8
Studies of some effects of hot climatic conditions on the performance of Friesian and Sahiwal x Friesian heifers : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... Relations bet�veen Dry matter intake,digestible energy intake, water intake, rectal temperature and growth rate... The hair coat.[r] ...
162
Association between growth rates, age at first calving and subsequent fertility, milk production and survival in Holstein Friesian heifers
... fertility. Heifers with poor initial con- ception rates or with late embryonic/early fetal loss will clearly calve later than those which conceive first ...of heifers also abort their first pregnancy ...
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Studies of some effects of hot climatic conditions on the performance of Friesian and Sahiwal x Friesian heifers : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... Relations bet�veen Dry matter intake,digestible energy intake, water intake, rectal temperature and growth rate... The hair coat.[r] ...
13
DAILY GAIN IN PREPUBERTAL DAIRY HEIFERS AND ITS EFFECT ON BODY SIZE AT FIRST CALVING, METABOLIC PROFILE AND FIRST LACTATION MILK PRODUCTION
... - Friesian heifers. There were 18 heifers raised on four period feeding ...the heifers were artificially inseminated at 370 kg, and the other half after 420 kg of body weight to obtain early ...
8
Evaluation of Inoculated Lablab Silage for Growing Dairy Heifers
... Holstein Friesian heifers group fed non-inoculated or inoculated silage to appetite plus 2 kg rolled sorghum ...(P>0.05). Heifers preferentially selected leaf from the silage offered and ...
5
EFFECTS OF HEAT STRESS ON SEXUAL BEHAVIOR IN HEIFERS
... Romanian heifers, a research has been conducted on four groups of animals in the pre- and post-AI ...the heifers showed clear signs of ...the heifers did not respond to repeated estrus-induction ...
8
A study of the operation of selection for production in a New Zealand dairy herd : being a thesis submitted by "Bonus" for the Animal Husbandry section of the M Agr Sc examination
... Members of the New Zealand Friesian Breeders' Association , _ anxious ·that the foundation stock for the constitution of a herd at an Agricultural College.., be worthy representatives of[r] ...
115
Effect of early lactation foot trimming in lame and non lame diary heifer: a randomised controlled trial
... yield Model 1 in a trial designed to investigate a foot trimming intervention in first.. lactation dairy heifers.[r] ...
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Linkage Disequilibrium on the Bovine X Chromosome: Characterization and Use in Quantitative Trait Locus Mapping
... We herein demonstrate that in the Holstein–Friesian dairy cattle population, microsatellites are as polymorphic on the X chromosome as on the autosomes but that the level of linkage disequilibrium between these ...
10
Multivariate estimation of variance and covariance components using restricted maximum likelihood, in dairy cattle : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Science at Massey University
... for the transformed variance-covariance matrix. based on experience fro m a previous analysis on the same set of traits in H olstein-Friesian cows. The traits included in the a n a lysis were statu re (STA) . udde ...
159
Growth of replacement heifers on shortgrass ranges of Colorado.
... Liveweights of replacement heifers showing growth from weaning to 2 years old on moderate seasonal-alternate grazing (solid line), and minimum liveweights required [r] ...
5
Fitting multiphasic logistic functions to the lactation curves of Gir x Friesian crossbred dairy cattle in Malaysia
... Residual values for the second lactation of Gir x Friesian cattle fitted with monophasic ○, diphasic × and triphasic □ logistic functions..[r] ...
17
Microvascularisation of the scrotal integument of Holstein-Friesian bulls
... Such a view not only supports the idea that the functions of the scrotal integument and the dartos are based on a dependable energy supply, but with regard to vessel type, particularl[r] ...
5
80. Fresh and post thaw quality characteristics of Holstein Friesian bull semen maintained at semen production unit Quetta Balochistan, Pakistan
... Holstein Friesian bulls did not have considerable variation in pH from May to ...Holstein Friesian and cross of Zebu cattle semen, which varied from ...Holsten Friesian bull semen ...
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