2016 ◽  
Vol 94 (suppl_5) ◽  
pp. 600-601 ◽  
Author(s):  
J. Ferland ◽  
E. Vasseur ◽  
M. Duplessis ◽  
E. A. Pajor ◽  
D. Pellerin

2020 ◽  
Vol 242 ◽  
pp. 108570 ◽  
Author(s):  
Wenjuan He ◽  
Shizhen Ma ◽  
Lei Lei ◽  
Junjia He ◽  
Xing Li ◽  
...  

1979 ◽  
Vol 8 (2) ◽  
pp. 73-85 ◽  
Author(s):  
Frederick W. Wackernagel ◽  
Robert A. Milligan ◽  
Wayne A. Knoblauch

Nearly level terrain, heavy soils, and impermeable subsoil horizons commonly cause poor drainage in Northern New York. Forty-five percent of the cropland in this region is classified as poorly drained (Lucey). The soils in this area dry slowly, consequently restricting the effective length of the growing season. Production of corn is marginal and the establishment of legume seedings is prevented by poor drainage. Poor drainage is only a single characteristic of a farm's soil resource, but it has multiple effects. Farm managers have adjusted to poor drainage by using grass hay crops as a forage base and by adopting other management practices which utilize land more extensively.


1993 ◽  
Vol 25 (7) ◽  
pp. 961-969 ◽  
Author(s):  
Conrado M. Gempesaw II ◽  
G.Joachim Elterich ◽  
Vivek Shivani ◽  
Daniel A. Lass

2002 ◽  
Author(s):  
C. Alan Rotz ◽  
Colette U. Coiner ◽  
Kathy J. Soder

Author(s):  
Syed Khurram Fareed ◽  
Khalid Hussain Memon ◽  
Allah Bux Kachiwal ◽  
Shajeela Azhar ◽  
Muhammad Iqbal Brula ◽  
...  

The water buffalo play a significant role in the economy of livestock industry of Pakistan. The present study was conducted to evaluate the prevalence of reproductive disorders in 928 buffaloes and its economic impact on dairy farms in 2014-15. The data were collected from Landhi Cattle Colony Karachi to analyze the reproductive disorders and mastitis problems in dairy buffaloes. The prevalence of the abortion recorded was 41% which was significantly highest (P<0.01) as compare to others disorders. Whereas, repeat breeding, dystocia, retention of placenta, vaginal prolapse and vaginitis were 32%, 14%, 8%, 5 % and 2% respectively in water buffaloes. Moreover, mastitis cases were 11% in Landhi cattle colony Karachi during study period. The economic losses due to abortion, repeat breeding, dystocia, vaginal prolapse, vaginitis and mastitis were 320, 320, 640, 480, 560, 240 and 640 Pakistan rupees per animal respectively in water buffaloes. In conclusion, findings of the present study indicated that mastitis, abortions and dystocia caused major economic losses to dairy farms at Landhi Cattle Colony Karachi during study period.


2017 ◽  
Vol 49 (1) ◽  
pp. 66-82
Author(s):  
DANIEL MULUWORK ATSBEHA

AbstractIn two-tier price systems, yield uncertainty creates incentives to overproduce quantity-restricted outputs even when prices for surplus output are very low. These incentives arise from precautionary motives against expected losses from quota shortfalls. Using an approach augmented for multiple input applications, the likelihood of excess production and the relative importance of price changes in different markets are estimated for Icelandic dairy farms. The results indicate that the average farm plans to exceed its quota, and price changes in the surplus milk market are approximately three times more effective in generating supply response than price changes in the quota milk market.


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