"Experientia docet" - Experience is the best teacher
Comparison of growth rates in the tissues of primal cuts of Canadian composites
Beef composites (C) have combined favourable traits of pure breeds. The objective was to compare the growth rates (GR) of muscle (M) and fat (F) in the primal cuts of serially harvested Beefbooster® C types (SM = C of small…
Assessment of Nili-Ravi buffalo (Bubalus bubalis) semen by MTT reduction assay
MTT (3-(4,5-dimethyl thiazol-2-yl)-2,5-diphenyl tetrazolium bromide) assay is commonly used to validate the viability of metabolically active cells. The study was conducted to examine and validate the MTT test to assess the sperm viability of Nili-Ravi buffalo bulls and compare the…
A model for assessing Medicago Sativa L. hay quality
A study was conducted to identify chemical parameters and/or models for assessing Medicago sativa L. (L) hay quality, using near infrared reflectance spectroscopy (NIRS) analysis and Cornell Net Carbohydrate and Protein System (CNCPS) milk prediction as a criterion of accuracy. …
Ruminal acidosis: A review with detailed reference to the controlling agent Megasphaera elsdenii NCIMB 41125 (Review)
Ruminal acidosis is discussed with reference to causes and economic and health implications. Distinction is made between the acute form which with proper adaptation to high energy diets is seldom encountered and the more problematic chronic or sub-acute form, commonly…
The effect of chilling temperatures and mode of suspension of beef carcasses on sarcomere length and meat tenderness
Young Afrikaner crossbred steers were used for the experiment after being fed ad lib until a desired estimated carcass mass of 120 and 240 kg was reached. Carcasses were split into sides - one group of sides served as controls…
The lability of some haematological parameters in chickens and ducks
The effects of restricting chickens and ducks to cages on their haematology (as compared to that of free-roaming animals) were investigated in this study. Significant differences were observed in several haematological parameters and the study showed that conclusions that could…
The influence of molybdenum and sulphur on sheep receiving high levels of copper and broiler litter in their rations
Copper (Cu) accumulated in the livers of sheep receiving high levels of dietary Cu but low levels of molybdenum (Mo) and sulphur (S). However. the liver Cu accumulation was much lower than levels found in similar trials in the literature…
Feed intake of non•pregnant, pregnant and lactating ewes on native pasture and lucerne hay
The voluntary feed intake of non-pregnant, pregnant and lactating Merino- and S.A. Mutton Merino ewes on native pasture and chopped lucerne hay, was investigated. The crude protein content of the native pasture ranged from 8,6 per cent to 16,2 per…
Urea in supplements for growing young cattle on veld grazing in the dry season
The effect of replacing increasing amounts of cottonseed cake meal with urea in isonitrogenous (40 per cent CP) supplements for growing weaner steers has been investigated over a period of three years. Each year six groups of 30 Hereford x…
Pre- and post-weaning performance of artificially reared calves. 1.High and low fat levels in milk replacers and cement kiln dus
Twenty-four Friesland-cross calves were reared artificially in a 22-factorial experimental design for a period of 13 weeks. The two factors and levels investigated were (1) the fat content of the milk replacer, viz. 20,8 per cent (F1) or 12,6 per…
A note on condition indices for adult male impala, Aepyceros melampus
Citeria of condition are discussed and defined. Thirty-eight condition indices taken from nine adult male impala were tested for linear correlation with condition and total body fat. Indices derived from the complete dissection of a buttock proved to be the…
Factors affecting profit in dairying: conclusions from Natal study group results
Keywords: Dairying, profit factors
’n Strategie vir melkproduksie in die winterreenstreek van Suid-Afrika
Keywords: Milk production, strategy, winter rainfall area
Pasture improvement possibilities in effective animal production systems
Keywords: Possibilities, pasture improvement, animal production
Pastures in animal production systems veld and pastures in animal production systems in the Western Cape and South West Africa /
Keywords: Veld. pastures, animal production systems
A strategy for beef production in Natal and Eastern Cape
Keywords: Strategy, beef, Natal, Eastern Cape
