Life Sciences Commons^™

Three Beef Raising Systems For Butterfat Producing Properties, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

THREE-QUARTERS of the calves born in autumn on butterfat farms are not required as milking replacements and are thus available for beef production or immediate sale, at about $20 a head.

The profit from selling beef must be compared with that from selling excess calves off their mothers.

Such a comparison is being made by Department of Agriculture Beef Research Officer D. J. Barker in a series of trials at Bramley Research Station, Margaret River.

Feeding Urea To Cattle, D J. Barker

Journal of the Department of Agriculture, Western Australia, Series 4

RUMINANTS normally obtain the protein they require by digestion of the organisms that inhabit the forestomach (rumen), not by direct digestion of the dietary protein they chew up and swallow.

The organisms break down the dietary protein and then rebuild proteins in the form of more organisms.

Once Daily Calf Feeding Lowers Rearing Costs, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

The usual method of hand rearing dairy calves involves twice daily feeding of milk or milk substitutes.

This routine adds considerably to the labour necessary at milking time and may have prevented many farmers from putting much effort into dairy beef production.

The report below comes from a 1969 trial carried out at Bramley Research Station to see if once-daily calf feeding was as effective as twice daily feeding.

The trial's results should be considered as early findings from a series of trials being conducted into calf rearing regimes by both the Animal and Dairying Divisions of the Department of …

Supplementing Calves With Tallow : Results Of A Trial At Wokalup Research Station, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

THE removal of butterfat from milk by separation, reduces the energy content of the milk by about 50 per cent., and must slow the growth of calves unless extra energy is provided from some other source.

In the dairying districts of Western Australia, there has been considerable interest in recent years in the addition of homogenised tallow to skim milk to provide extra energy.

Good calves have been produced by this means.

Dry Supplements Reduce Labour And Cost Of Calf Rearing, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

The conventional method of hand rearing dairy calves in Western Australia calls for the feeding of whole milk, skim milk and/or milk substitutes for periods of up to 16 weeks.

This requirement for milk and labour has often prevented beef production from becoming a major sideline on many wholemilk and butterfat farms.

The two trials reported below* were carried out at Bramley Research Station to see if milk consumption and time to weaning could be reduced by free-feeding hay and cereal based supplements.

Flavor Preference And Stability Of A Low-Fat Dairy Spread, James Robert Miller

Electronic Theses and Dissertations

Low-fat dairy spread has been defined as a product which contains only dairy ingredients and has a lower fat content than the commonly used spreads, butter and margarine (5). Although some low-fat spreads have contained very little fat, most of those which have been developed during the past 30 years have contained about one-third to two-thirds as much fat as the commonly used spreads and have had a higher protein content. ·The low-fat dairy spread studied in this project contained about ten times more protein and only one-half as much fat as butter and margarine. The present day justification of …

Abnormal Milk Evaluations In Eastern South Dakota Milk Plants And Dairy Herds, Edwin J. Kleen

Electronic Theses and Dissertations

For many years bovine mastitis has been a major problem for dairy producers, the seriousness of which can be measured by the volumes of literature which have been written about it as well as the economic losses incurred by the dairy industry because of it. The fact that mastitis is still a virulent disease in spite of the vast amount of research conducted on it would suggest either that the underlying causes of mastitis still are not completely understood or that the knowledge gained through research has not been presented effectively to those who need it most—namely the dairy farmer. …

Effects Of Mastitis On Milk Yield And Composition, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

EVERY DAIRY farmer knows how much he spends on the treatment of cows affected with mastitis, but the actual loss in production is more difficult to estimate.

As part of the current mastitis research programme the Department of Agriculture's Animal and Dairying Divisions surveyed 37 dairy herds with a believed high incidence of mastitis.

The Feed Year Approach To Dairying, P T. Arkell

Journal of the Department of Agriculture, Western Australia, Series 4

Dairy cows have different food requirements at different times of the year.

Cows in peak production require much more food per day than dry cows. It is a waste of money to feed a dry cow more than it actually needs for maintenance.

Equally, it is uneconomic NOT to feed a producing cow enough to give maximum production.

The Effect Of Harvesting And Storage Methods On Chemical Composition And In Vitro Digestibility Of First Cutting Alfalfa Hay, Perry A. Fales

Electronic Theses and Dissertations

The importance of alfalfa hay in dairy cattle feeding is generally acknowledged. The reasons why alfalfa is used so extensively in dairy cattle rations are due to its high protein content, high acceptability by cattle, its wide ·area of adaptation, and high yields. A popular way of handling the forage is to put it up as hay. South Dakota produced 3,261,000 tons of alfalfa hay in 1968. There were 73 million tons of alfalfa hay produced in the United States during 1968 (10) making it a crop of major importance. Farming practices have changed considerably the last ten years. Among …

Effect Of Days Open On Lactation Production, Roger L. Ripley

Electronic Theses and Dissertations

Accurate evaluation of dairy production records is essential if dairymen are to establish and maintain profitable dairy herds and efficient culling programs. Improper record evaluation may result in. saving breeding stock that otherwise might be eliminated. Many factors may influence the validity of individual production records. Adjustment factors, currently in use by the United States Department of Agriculture (USDA) for sire and cow evaluations, are generally accepted as removing the majority of these influences. Consequently, these factors are invaluable to practical dairymen. The adjustment factors, suggested by McDaniel, et al. (24) in 1967, take into account the geographical location, season …